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Black Screen Problem

15 AF006AX
Microsoft Windows 8.1 (64-bit)
I changed the Video adapter setting in BIOS to external GPU in the advanced bios settings.(changed from onboard/internal to external), ever since the notebook starts up with a black screen(system displays black color,not like turning off the display). The power light and caps lock buttons flash. As I can't see anything onscreen I can't recover BIOS to the previous state either.
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@shd555 I suggest you start with attempting a BIOS recovery using the steps mentioned in this link: click here for instructions,

Once done, the device should boot into windows, if it doesn't, please perform a hardware test using the below steps:

  • Hold the power button for at least five seconds to turn off the computer.
  • Turn on the computer and immediately press Esc repeatedly, about once every second. When the menu appears, press the F2 key.
  • On the HP PC Hardware Diagnostics (UEFI) main menu, click System Tests.
  • Click Extensive Test.
  • Click Run once, or Loop until error.
  • While the test is running, the time remaining and test result for each component display on the screen.

If a component fails a test, write down the failure ID (24-digit code) for when you respond back to us.

 

P.S: Welcome to HP Community 😉

If you wish to thank me for my efforts, you could click on "Accept as solution" on my post as the solution should help others too.

Riddle_Decipher
I am an HP Employee

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Black Screen Problem

Your solution would have worked if I could see the BIOS in display.

I took out the CMOS Battery and reset the BIOS ,, it worked.

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Black Screen Problem

@shd555,

 

I'm glad you got this issue sorted out.

 

Do visit our HP Forums and drop us a message anytime you need help.

 

Thank you 😀

Jeet_Singh
I am an HP Employee

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