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Toshiba Qosmio x505-Q887 Black Screen but runs

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#1 cpthetech


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Posted 11 September 2014 - 11:23 AM

Hello everyone, I am working on a Toshiba Qosmio x505-q887. It powers on, however the screen remains black.

What I have Done::
1. Hard reset, popped battery, held power button for 30 seconds, connected power supply and again it powered on but no change in display.
2. Reseated all hardware(RAM, HD, Video Card, Optical Drive) no change.
3. Ordered a new Video Card and installed it, no change.
4. Tried, before and after new video card, connecting it to an external monitor. Both VGA and HDMI, again no display on there either.

At this point I am rather stumped, however I'm leaning towards the motherboard now. I was just hoping to gather incite from the community or anyone who has worked on one of these beasts before as to what might cause its black screen at this point.

I originally passed on ordering the motherboard and went straight to GPU because the laptop still powered on, and most dead motherboard laptops in the past do not boot at all.

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#2 dicke



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Posted 11 September 2014 - 04:55 PM


I'm going to assume that you confirmed that the ribbon connector between the graphics card and the screen is seated correctly. Given that there's no problem there I'm going to have to second your mothion to get a new motherboard :(

Keep us posted



Stay well and surf safe [stay protected]

Dick E

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