Compaq laptop screen blank and caps blinking
Closed
Haryto
-
Feb 18, 2016 at 10:29 AM
KY_WD Posts 2053 Registration date Thursday October 23, 2014 Status Member Last seen February 28, 2017 - Feb 18, 2016 at 11:19 AM
KY_WD Posts 2053 Registration date Thursday October 23, 2014 Status Member Last seen February 28, 2017 - Feb 18, 2016 at 11:19 AM
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1 response
KY_WD
Posts
2053
Registration date
Thursday October 23, 2014
Status
Member
Last seen
February 28, 2017
122
Feb 18, 2016 at 11:19 AM
Feb 18, 2016 at 11:19 AM
Hello haryto,
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.
What kind of "stuff" do you plan to change? Are you able to hear the fan or hard drive spinning at all? If your laptop is out of warranty, I suggest you to take out the drive and connect it to another PC through SATA-USB adaptor. If it gets recognized there, make a full backup of it.
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 that I helped.
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.
What kind of "stuff" do you plan to change? Are you able to hear the fan or hard drive spinning at all? If your laptop is out of warranty, I suggest you to take out the drive and connect it to another PC through SATA-USB adaptor. If it gets recognized there, make a full backup of it.
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 that I helped.
