How to update BIOS on computer that won't boot up?





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My son is building his first PC with my assistance, and we're running into an issue where the PC will not boot up into POST. No signal on monitor, no beeps or POST codes. CPU fan and system fans are spinning up as expected, video card shows a power light on. Also tried it without the video card plugged in, using just the native video - no change.



We confirmed that the CPU is supported by the motherboard, but the manufacturer states that it is only supported with a BIOS update. Problem is, we cannot get to the BIOS screens, or even to the point where it is attempting to boot from a drive or device.



Given that we cannot get past the POST stage, how can we update the BIOS on this system so that the CPU is supported?



UPDATE: The motherboard appears to be a Biostar Biostar TB250-BTC+ if that helps. CPU in question is an Intel Core i7 7700K










share|improve this question































    18















    My son is building his first PC with my assistance, and we're running into an issue where the PC will not boot up into POST. No signal on monitor, no beeps or POST codes. CPU fan and system fans are spinning up as expected, video card shows a power light on. Also tried it without the video card plugged in, using just the native video - no change.



    We confirmed that the CPU is supported by the motherboard, but the manufacturer states that it is only supported with a BIOS update. Problem is, we cannot get to the BIOS screens, or even to the point where it is attempting to boot from a drive or device.



    Given that we cannot get past the POST stage, how can we update the BIOS on this system so that the CPU is supported?



    UPDATE: The motherboard appears to be a Biostar Biostar TB250-BTC+ if that helps. CPU in question is an Intel Core i7 7700K










    share|improve this question



























      18












      18








      18


      2






      My son is building his first PC with my assistance, and we're running into an issue where the PC will not boot up into POST. No signal on monitor, no beeps or POST codes. CPU fan and system fans are spinning up as expected, video card shows a power light on. Also tried it without the video card plugged in, using just the native video - no change.



      We confirmed that the CPU is supported by the motherboard, but the manufacturer states that it is only supported with a BIOS update. Problem is, we cannot get to the BIOS screens, or even to the point where it is attempting to boot from a drive or device.



      Given that we cannot get past the POST stage, how can we update the BIOS on this system so that the CPU is supported?



      UPDATE: The motherboard appears to be a Biostar Biostar TB250-BTC+ if that helps. CPU in question is an Intel Core i7 7700K










      share|improve this question
















      My son is building his first PC with my assistance, and we're running into an issue where the PC will not boot up into POST. No signal on monitor, no beeps or POST codes. CPU fan and system fans are spinning up as expected, video card shows a power light on. Also tried it without the video card plugged in, using just the native video - no change.



      We confirmed that the CPU is supported by the motherboard, but the manufacturer states that it is only supported with a BIOS update. Problem is, we cannot get to the BIOS screens, or even to the point where it is attempting to boot from a drive or device.



      Given that we cannot get past the POST stage, how can we update the BIOS on this system so that the CPU is supported?



      UPDATE: The motherboard appears to be a Biostar Biostar TB250-BTC+ if that helps. CPU in question is an Intel Core i7 7700K







      boot cpu motherboard bios






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Feb 16 at 0:13







      Omegacron

















      asked Feb 15 at 19:12









      OmegacronOmegacron

      25019




      25019






















          4 Answers
          4






          active

          oldest

          votes


















          26














          If you are using an AMD platform, fill out a warranty request for 'boot kit required'. They will send you a cheap APU that can be used to update your bios.
          https://www.amd.com/en/support/kb/faq/pa-100#faq-Short-Term-Processor-Loan-Boot-Kit



          If you are using an Intel platform, some Intel motherboards have a way to update bios without the CPU. Check your manual. On Gigabyte boards, the feature is called "Qflash Plus". On Asus boards, the feature is "USB BIOS Flashback".



          If this doesn't work out for you, you can order a compatible processor and return it after doing the update. Some retailers have a formal process for doing this so you don't have to renege them.






          share|improve this answer





















          • 3





            +1, although I have my doubts that most retailers would be happy about accepting a return on a used but non-faulty CPU.

            – Jon Bentley
            Feb 15 at 23:29











          • Biostar seems to have a quick-flash option, but it requires a screen right after POST. I'll try it this weekend and see if that works. Otherwise, might have to go with the last option.

            – Omegacron
            Feb 16 at 0:15











          • @JonBentley Thought you were referring to the first line; must've missed the last paragraph.

            – wizzwizz4
            Feb 17 at 14:24



















          11














          In addition to Andy's excellent info, MSI motherboards also have a BIOS Flashback button on the rear panel (so you don't have to open up the case) that enables updating the BIOS with an FAT32 formatted USB drive. I have a MEG Z390 ACE motherboard. The instructions are:





          1. Connect power supply to CPU_PWR1, CPU_PWR2 and ATX_PWR1. (No other
            components are necessary but power supply.)


          2. Plug the USB flash drive that contains the MSI.ROM file into the BIOS
            FLASHBACK+ port on rear I/O panel.


          3. Press the BIOS FLASHBACK+ button to flash BIOS, and the light of BIOS
            FLASHBACK+ button starts flashing.


          4. After the flashing BIOS process is 100% completed, the button light would stop flashing and would be off simultaneously.





          These instructions were copied and pasted from the PDF of the user's manual.



          I imagine the instructions are pretty close to identical for other newer MSI boards, as well.






          share|improve this answer





















          • 1





            Between what step are you supposed to plug the power in to the computer, or press the power button, I don't think you are supposed to connect the power supply to components when either the power is on, or the computer is on

            – Ferrybig
            Feb 15 at 22:43











          • @Ferrybig, if you're asking about step 1, that just means that the CPU and motherboard should be connected to the power supply to power both the motherboard and the CPU. There are no specific instructions about pressing the power button, so I suspect pressing the BIOS Flashback button does that, though I imagine you could turn the computer on and then press the BIOS Flashback button. I'd try the former first, since the directions, which btw came straight from the manual, don't specify powering up the machine first.

            – BillDOe
            Feb 16 at 20:07



















          2














          There's an 8 pin IC in a socket in the corner, but I can't find a picture where I could read its type. Can you read it?



          I have a theory it is the flash (or possibly eeprom) chip that holds the BIOS firmware. If it's a common chip, and you have a very basic knowledge of electronics, with a simple hardware you can flash it (after doing a backup of course). You'll need a working computer, a flash programmer (or an arduino, e.g. a nano is around $2), some wire, and of course the newer firmware.






          share|improve this answer































            2














            Assembling a PC from parts is fun and educational, but sometimes also slow and frustrating, when you get stuck on things like this. One solution is to buy, or borrow, the cheapest compatible cpu you can find, and temporarily replace your real cpu, to do the update.






            share|improve this answer
























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              4 Answers
              4






              active

              oldest

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              4 Answers
              4






              active

              oldest

              votes









              active

              oldest

              votes






              active

              oldest

              votes









              26














              If you are using an AMD platform, fill out a warranty request for 'boot kit required'. They will send you a cheap APU that can be used to update your bios.
              https://www.amd.com/en/support/kb/faq/pa-100#faq-Short-Term-Processor-Loan-Boot-Kit



              If you are using an Intel platform, some Intel motherboards have a way to update bios without the CPU. Check your manual. On Gigabyte boards, the feature is called "Qflash Plus". On Asus boards, the feature is "USB BIOS Flashback".



              If this doesn't work out for you, you can order a compatible processor and return it after doing the update. Some retailers have a formal process for doing this so you don't have to renege them.






              share|improve this answer





















              • 3





                +1, although I have my doubts that most retailers would be happy about accepting a return on a used but non-faulty CPU.

                – Jon Bentley
                Feb 15 at 23:29











              • Biostar seems to have a quick-flash option, but it requires a screen right after POST. I'll try it this weekend and see if that works. Otherwise, might have to go with the last option.

                – Omegacron
                Feb 16 at 0:15











              • @JonBentley Thought you were referring to the first line; must've missed the last paragraph.

                – wizzwizz4
                Feb 17 at 14:24
















              26














              If you are using an AMD platform, fill out a warranty request for 'boot kit required'. They will send you a cheap APU that can be used to update your bios.
              https://www.amd.com/en/support/kb/faq/pa-100#faq-Short-Term-Processor-Loan-Boot-Kit



              If you are using an Intel platform, some Intel motherboards have a way to update bios without the CPU. Check your manual. On Gigabyte boards, the feature is called "Qflash Plus". On Asus boards, the feature is "USB BIOS Flashback".



              If this doesn't work out for you, you can order a compatible processor and return it after doing the update. Some retailers have a formal process for doing this so you don't have to renege them.






              share|improve this answer





















              • 3





                +1, although I have my doubts that most retailers would be happy about accepting a return on a used but non-faulty CPU.

                – Jon Bentley
                Feb 15 at 23:29











              • Biostar seems to have a quick-flash option, but it requires a screen right after POST. I'll try it this weekend and see if that works. Otherwise, might have to go with the last option.

                – Omegacron
                Feb 16 at 0:15











              • @JonBentley Thought you were referring to the first line; must've missed the last paragraph.

                – wizzwizz4
                Feb 17 at 14:24














              26












              26








              26







              If you are using an AMD platform, fill out a warranty request for 'boot kit required'. They will send you a cheap APU that can be used to update your bios.
              https://www.amd.com/en/support/kb/faq/pa-100#faq-Short-Term-Processor-Loan-Boot-Kit



              If you are using an Intel platform, some Intel motherboards have a way to update bios without the CPU. Check your manual. On Gigabyte boards, the feature is called "Qflash Plus". On Asus boards, the feature is "USB BIOS Flashback".



              If this doesn't work out for you, you can order a compatible processor and return it after doing the update. Some retailers have a formal process for doing this so you don't have to renege them.






              share|improve this answer















              If you are using an AMD platform, fill out a warranty request for 'boot kit required'. They will send you a cheap APU that can be used to update your bios.
              https://www.amd.com/en/support/kb/faq/pa-100#faq-Short-Term-Processor-Loan-Boot-Kit



              If you are using an Intel platform, some Intel motherboards have a way to update bios without the CPU. Check your manual. On Gigabyte boards, the feature is called "Qflash Plus". On Asus boards, the feature is "USB BIOS Flashback".



              If this doesn't work out for you, you can order a compatible processor and return it after doing the update. Some retailers have a formal process for doing this so you don't have to renege them.







              share|improve this answer














              share|improve this answer



              share|improve this answer








              edited Feb 15 at 20:54

























              answered Feb 15 at 19:28









              AndyAndy

              1,050311




              1,050311








              • 3





                +1, although I have my doubts that most retailers would be happy about accepting a return on a used but non-faulty CPU.

                – Jon Bentley
                Feb 15 at 23:29











              • Biostar seems to have a quick-flash option, but it requires a screen right after POST. I'll try it this weekend and see if that works. Otherwise, might have to go with the last option.

                – Omegacron
                Feb 16 at 0:15











              • @JonBentley Thought you were referring to the first line; must've missed the last paragraph.

                – wizzwizz4
                Feb 17 at 14:24














              • 3





                +1, although I have my doubts that most retailers would be happy about accepting a return on a used but non-faulty CPU.

                – Jon Bentley
                Feb 15 at 23:29











              • Biostar seems to have a quick-flash option, but it requires a screen right after POST. I'll try it this weekend and see if that works. Otherwise, might have to go with the last option.

                – Omegacron
                Feb 16 at 0:15











              • @JonBentley Thought you were referring to the first line; must've missed the last paragraph.

                – wizzwizz4
                Feb 17 at 14:24








              3




              3





              +1, although I have my doubts that most retailers would be happy about accepting a return on a used but non-faulty CPU.

              – Jon Bentley
              Feb 15 at 23:29





              +1, although I have my doubts that most retailers would be happy about accepting a return on a used but non-faulty CPU.

              – Jon Bentley
              Feb 15 at 23:29













              Biostar seems to have a quick-flash option, but it requires a screen right after POST. I'll try it this weekend and see if that works. Otherwise, might have to go with the last option.

              – Omegacron
              Feb 16 at 0:15





              Biostar seems to have a quick-flash option, but it requires a screen right after POST. I'll try it this weekend and see if that works. Otherwise, might have to go with the last option.

              – Omegacron
              Feb 16 at 0:15













              @JonBentley Thought you were referring to the first line; must've missed the last paragraph.

              – wizzwizz4
              Feb 17 at 14:24





              @JonBentley Thought you were referring to the first line; must've missed the last paragraph.

              – wizzwizz4
              Feb 17 at 14:24













              11














              In addition to Andy's excellent info, MSI motherboards also have a BIOS Flashback button on the rear panel (so you don't have to open up the case) that enables updating the BIOS with an FAT32 formatted USB drive. I have a MEG Z390 ACE motherboard. The instructions are:





              1. Connect power supply to CPU_PWR1, CPU_PWR2 and ATX_PWR1. (No other
                components are necessary but power supply.)


              2. Plug the USB flash drive that contains the MSI.ROM file into the BIOS
                FLASHBACK+ port on rear I/O panel.


              3. Press the BIOS FLASHBACK+ button to flash BIOS, and the light of BIOS
                FLASHBACK+ button starts flashing.


              4. After the flashing BIOS process is 100% completed, the button light would stop flashing and would be off simultaneously.





              These instructions were copied and pasted from the PDF of the user's manual.



              I imagine the instructions are pretty close to identical for other newer MSI boards, as well.






              share|improve this answer





















              • 1





                Between what step are you supposed to plug the power in to the computer, or press the power button, I don't think you are supposed to connect the power supply to components when either the power is on, or the computer is on

                – Ferrybig
                Feb 15 at 22:43











              • @Ferrybig, if you're asking about step 1, that just means that the CPU and motherboard should be connected to the power supply to power both the motherboard and the CPU. There are no specific instructions about pressing the power button, so I suspect pressing the BIOS Flashback button does that, though I imagine you could turn the computer on and then press the BIOS Flashback button. I'd try the former first, since the directions, which btw came straight from the manual, don't specify powering up the machine first.

                – BillDOe
                Feb 16 at 20:07
















              11














              In addition to Andy's excellent info, MSI motherboards also have a BIOS Flashback button on the rear panel (so you don't have to open up the case) that enables updating the BIOS with an FAT32 formatted USB drive. I have a MEG Z390 ACE motherboard. The instructions are:





              1. Connect power supply to CPU_PWR1, CPU_PWR2 and ATX_PWR1. (No other
                components are necessary but power supply.)


              2. Plug the USB flash drive that contains the MSI.ROM file into the BIOS
                FLASHBACK+ port on rear I/O panel.


              3. Press the BIOS FLASHBACK+ button to flash BIOS, and the light of BIOS
                FLASHBACK+ button starts flashing.


              4. After the flashing BIOS process is 100% completed, the button light would stop flashing and would be off simultaneously.





              These instructions were copied and pasted from the PDF of the user's manual.



              I imagine the instructions are pretty close to identical for other newer MSI boards, as well.






              share|improve this answer





















              • 1





                Between what step are you supposed to plug the power in to the computer, or press the power button, I don't think you are supposed to connect the power supply to components when either the power is on, or the computer is on

                – Ferrybig
                Feb 15 at 22:43











              • @Ferrybig, if you're asking about step 1, that just means that the CPU and motherboard should be connected to the power supply to power both the motherboard and the CPU. There are no specific instructions about pressing the power button, so I suspect pressing the BIOS Flashback button does that, though I imagine you could turn the computer on and then press the BIOS Flashback button. I'd try the former first, since the directions, which btw came straight from the manual, don't specify powering up the machine first.

                – BillDOe
                Feb 16 at 20:07














              11












              11








              11







              In addition to Andy's excellent info, MSI motherboards also have a BIOS Flashback button on the rear panel (so you don't have to open up the case) that enables updating the BIOS with an FAT32 formatted USB drive. I have a MEG Z390 ACE motherboard. The instructions are:





              1. Connect power supply to CPU_PWR1, CPU_PWR2 and ATX_PWR1. (No other
                components are necessary but power supply.)


              2. Plug the USB flash drive that contains the MSI.ROM file into the BIOS
                FLASHBACK+ port on rear I/O panel.


              3. Press the BIOS FLASHBACK+ button to flash BIOS, and the light of BIOS
                FLASHBACK+ button starts flashing.


              4. After the flashing BIOS process is 100% completed, the button light would stop flashing and would be off simultaneously.





              These instructions were copied and pasted from the PDF of the user's manual.



              I imagine the instructions are pretty close to identical for other newer MSI boards, as well.






              share|improve this answer















              In addition to Andy's excellent info, MSI motherboards also have a BIOS Flashback button on the rear panel (so you don't have to open up the case) that enables updating the BIOS with an FAT32 formatted USB drive. I have a MEG Z390 ACE motherboard. The instructions are:





              1. Connect power supply to CPU_PWR1, CPU_PWR2 and ATX_PWR1. (No other
                components are necessary but power supply.)


              2. Plug the USB flash drive that contains the MSI.ROM file into the BIOS
                FLASHBACK+ port on rear I/O panel.


              3. Press the BIOS FLASHBACK+ button to flash BIOS, and the light of BIOS
                FLASHBACK+ button starts flashing.


              4. After the flashing BIOS process is 100% completed, the button light would stop flashing and would be off simultaneously.





              These instructions were copied and pasted from the PDF of the user's manual.



              I imagine the instructions are pretty close to identical for other newer MSI boards, as well.







              share|improve this answer














              share|improve this answer



              share|improve this answer








              edited Feb 17 at 22:11

























              answered Feb 15 at 21:05









              BillDOeBillDOe

              1,0062928




              1,0062928








              • 1





                Between what step are you supposed to plug the power in to the computer, or press the power button, I don't think you are supposed to connect the power supply to components when either the power is on, or the computer is on

                – Ferrybig
                Feb 15 at 22:43











              • @Ferrybig, if you're asking about step 1, that just means that the CPU and motherboard should be connected to the power supply to power both the motherboard and the CPU. There are no specific instructions about pressing the power button, so I suspect pressing the BIOS Flashback button does that, though I imagine you could turn the computer on and then press the BIOS Flashback button. I'd try the former first, since the directions, which btw came straight from the manual, don't specify powering up the machine first.

                – BillDOe
                Feb 16 at 20:07














              • 1





                Between what step are you supposed to plug the power in to the computer, or press the power button, I don't think you are supposed to connect the power supply to components when either the power is on, or the computer is on

                – Ferrybig
                Feb 15 at 22:43











              • @Ferrybig, if you're asking about step 1, that just means that the CPU and motherboard should be connected to the power supply to power both the motherboard and the CPU. There are no specific instructions about pressing the power button, so I suspect pressing the BIOS Flashback button does that, though I imagine you could turn the computer on and then press the BIOS Flashback button. I'd try the former first, since the directions, which btw came straight from the manual, don't specify powering up the machine first.

                – BillDOe
                Feb 16 at 20:07








              1




              1





              Between what step are you supposed to plug the power in to the computer, or press the power button, I don't think you are supposed to connect the power supply to components when either the power is on, or the computer is on

              – Ferrybig
              Feb 15 at 22:43





              Between what step are you supposed to plug the power in to the computer, or press the power button, I don't think you are supposed to connect the power supply to components when either the power is on, or the computer is on

              – Ferrybig
              Feb 15 at 22:43













              @Ferrybig, if you're asking about step 1, that just means that the CPU and motherboard should be connected to the power supply to power both the motherboard and the CPU. There are no specific instructions about pressing the power button, so I suspect pressing the BIOS Flashback button does that, though I imagine you could turn the computer on and then press the BIOS Flashback button. I'd try the former first, since the directions, which btw came straight from the manual, don't specify powering up the machine first.

              – BillDOe
              Feb 16 at 20:07





              @Ferrybig, if you're asking about step 1, that just means that the CPU and motherboard should be connected to the power supply to power both the motherboard and the CPU. There are no specific instructions about pressing the power button, so I suspect pressing the BIOS Flashback button does that, though I imagine you could turn the computer on and then press the BIOS Flashback button. I'd try the former first, since the directions, which btw came straight from the manual, don't specify powering up the machine first.

              – BillDOe
              Feb 16 at 20:07











              2














              There's an 8 pin IC in a socket in the corner, but I can't find a picture where I could read its type. Can you read it?



              I have a theory it is the flash (or possibly eeprom) chip that holds the BIOS firmware. If it's a common chip, and you have a very basic knowledge of electronics, with a simple hardware you can flash it (after doing a backup of course). You'll need a working computer, a flash programmer (or an arduino, e.g. a nano is around $2), some wire, and of course the newer firmware.






              share|improve this answer




























                2














                There's an 8 pin IC in a socket in the corner, but I can't find a picture where I could read its type. Can you read it?



                I have a theory it is the flash (or possibly eeprom) chip that holds the BIOS firmware. If it's a common chip, and you have a very basic knowledge of electronics, with a simple hardware you can flash it (after doing a backup of course). You'll need a working computer, a flash programmer (or an arduino, e.g. a nano is around $2), some wire, and of course the newer firmware.






                share|improve this answer


























                  2












                  2








                  2







                  There's an 8 pin IC in a socket in the corner, but I can't find a picture where I could read its type. Can you read it?



                  I have a theory it is the flash (or possibly eeprom) chip that holds the BIOS firmware. If it's a common chip, and you have a very basic knowledge of electronics, with a simple hardware you can flash it (after doing a backup of course). You'll need a working computer, a flash programmer (or an arduino, e.g. a nano is around $2), some wire, and of course the newer firmware.






                  share|improve this answer













                  There's an 8 pin IC in a socket in the corner, but I can't find a picture where I could read its type. Can you read it?



                  I have a theory it is the flash (or possibly eeprom) chip that holds the BIOS firmware. If it's a common chip, and you have a very basic knowledge of electronics, with a simple hardware you can flash it (after doing a backup of course). You'll need a working computer, a flash programmer (or an arduino, e.g. a nano is around $2), some wire, and of course the newer firmware.







                  share|improve this answer












                  share|improve this answer



                  share|improve this answer










                  answered Feb 16 at 1:00









                  NyosNyos

                  1212




                  1212























                      2














                      Assembling a PC from parts is fun and educational, but sometimes also slow and frustrating, when you get stuck on things like this. One solution is to buy, or borrow, the cheapest compatible cpu you can find, and temporarily replace your real cpu, to do the update.






                      share|improve this answer




























                        2














                        Assembling a PC from parts is fun and educational, but sometimes also slow and frustrating, when you get stuck on things like this. One solution is to buy, or borrow, the cheapest compatible cpu you can find, and temporarily replace your real cpu, to do the update.






                        share|improve this answer


























                          2












                          2








                          2







                          Assembling a PC from parts is fun and educational, but sometimes also slow and frustrating, when you get stuck on things like this. One solution is to buy, or borrow, the cheapest compatible cpu you can find, and temporarily replace your real cpu, to do the update.






                          share|improve this answer













                          Assembling a PC from parts is fun and educational, but sometimes also slow and frustrating, when you get stuck on things like this. One solution is to buy, or borrow, the cheapest compatible cpu you can find, and temporarily replace your real cpu, to do the update.







                          share|improve this answer












                          share|improve this answer



                          share|improve this answer










                          answered Feb 16 at 7:21









                          Thomas Padron-McCarthyThomas Padron-McCarthy

                          2571310




                          2571310






























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