Toshiba Portege z20t Black screen
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Guest123
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Jan 20, 2017 at 06:08 AM
KY_WD Posts 2053 Registration date Thursday October 23, 2014 Status Member Last seen February 28, 2017 - Jan 20, 2017 at 10:53 AM
KY_WD Posts 2053 Registration date Thursday October 23, 2014 Status Member Last seen February 28, 2017 - Jan 20, 2017 at 10:53 AM
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KY_WD
Posts
2053
Registration date
Thursday October 23, 2014
Status
Member
Last seen
February 28, 2017
122
Jan 20, 2017 at 10:53 AM
Jan 20, 2017 at 10:53 AM
Hello Guest123,
Can you hear the laptop fan and the drive spinning? If so, I could recommend you to connect 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.
Cheers.
Can you hear the laptop fan and the drive spinning? If so, I could recommend you to connect 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.
Cheers.
