Toshiba laptop screen lights up but no display
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David Danny
-
May 29, 2016 at 05:11 AM
KY_WD Posts 2053 Registration date Thursday October 23, 2014 Status Member Last seen February 28, 2017 - Jun 3, 2016 at 11:09 AM
KY_WD Posts 2053 Registration date Thursday October 23, 2014 Status Member Last seen February 28, 2017 - Jun 3, 2016 at 11:09 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
Jun 3, 2016 at 11:09 AM
Jun 3, 2016 at 11:09 AM
Hello David Danny,
In situations like this I usually recommend connecting the laptop to an external monitor in order to see will there be any video signal going out from the laptop. If it does, 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 of a cooling the GPU which is responsible for video signal transmission gets unsoldered, the thermic paste goes away and it gets unsoldered, therefore the screen doesn't show anything. If you feel confident with the laptops' hardware you could 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.
Have a great weekend.
In situations like this I usually recommend connecting the laptop to an external monitor in order to see will there be any video signal going out from the laptop. If it does, 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 of a cooling the GPU which is responsible for video signal transmission gets unsoldered, the thermic paste goes away and it gets unsoldered, therefore the screen doesn't show anything. If you feel confident with the laptops' hardware you could 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.
Have a great weekend.
