Computer won't boot, No Post, No screen, No beeps
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zeppled
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Thursday March 3, 2016
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Mar 3, 2016 at 09:32 AM
KY_WD Posts 2053 Registration date Thursday October 23, 2014 Status Member Last seen February 28, 2017 - Mar 4, 2016 at 11:16 AM
KY_WD Posts 2053 Registration date Thursday October 23, 2014 Status Member Last seen February 28, 2017 - Mar 4, 2016 at 11:16 AM
I am new to the forums and this is my first post. I have an HP Envy 23 D-160 All in One. It originally came with Windows 8 that I upgraded to Windows 10. The power light comes on, the fan works, and I hear the hard drive spinning but the screen remains blank. Here is what I have tried so far:
Unplug and push power button for 1 minute and plug back in
Took out CMOS battery
Removed the Ram, started computer and got the long beep meaning no ram present. Otherwise there are no beeps.
Tried blindly resetting BIOS (Not sure if that worked but the computer did reboot on its own) Still no screen
Downloaded Windows 10 ISO and burned to disk. Put in DVD and I can hear it spin but nothing on screen.
Took the hard drive out and attached it externally to another computer. (I can access the hard drive and see my files)
I am not familiar with the UEFI vs Bios so I'm not sure if resetting the BIOS set it back to something Windows 10 can't boot from or what. Any assistance would be appreciated. At this point I have searched every post out there and still no resolution.
Unplug and push power button for 1 minute and plug back in
Took out CMOS battery
Removed the Ram, started computer and got the long beep meaning no ram present. Otherwise there are no beeps.
Tried blindly resetting BIOS (Not sure if that worked but the computer did reboot on its own) Still no screen
Downloaded Windows 10 ISO and burned to disk. Put in DVD and I can hear it spin but nothing on screen.
Took the hard drive out and attached it externally to another computer. (I can access the hard drive and see my files)
I am not familiar with the UEFI vs Bios so I'm not sure if resetting the BIOS set it back to something Windows 10 can't boot from or what. Any assistance would be appreciated. At this point I have searched every post out there and still no resolution.
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1 response
KY_WD
Posts
2053
Registration date
Thursday October 23, 2014
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Member
Last seen
February 28, 2017
122
Mar 4, 2016 at 11:16 AM
Mar 4, 2016 at 11:16 AM
Hello zeppled,
In situations like this it's recommended connecting the laptop to an external monitor to see will there be any video signal going out from the laptop. If it does go out, then there's a need for LCD inverter replacement. If there's nothing showing either on external monitor nor display, but the fans are still working, the problem that you have may be due to the failure of the video chip. Sometimes, after much of a use and less cooling the graphics processor which is responsible for video signal transmission get unsolders, the thermic paste goes away and it gets unsoldered, therefore the screen doesn't show anything. If you possess knowledge of notebooks' hardware you can change the paste yourself by opening the laptop and check if the chipset that is next to the processor has got unsoldered or you can bring your laptop to a technician to get it soldered again.
Hope I gave some ideas. Wish you a happy weekend.
In situations like this it's recommended connecting the laptop to an external monitor to see will there be any video signal going out from the laptop. If it does go out, then there's a need for LCD inverter replacement. If there's nothing showing either on external monitor nor display, but the fans are still working, the problem that you have may be due to the failure of the video chip. Sometimes, after much of a use and less cooling the graphics processor which is responsible for video signal transmission get unsolders, the thermic paste goes away and it gets unsoldered, therefore the screen doesn't show anything. If you possess knowledge of notebooks' hardware you can change the paste yourself by opening the laptop and check if the chipset that is next to the processor has got unsoldered or you can bring your laptop to a technician to get it soldered again.
Hope I gave some ideas. Wish you a happy weekend.