Question about HP dv7t Notebook
This sounds like the usual HP problem. Commonly the graphics chip overheats on these and eventually goes. To verify this:
1.) Check using an external monitor, if thsi works ok, fault is with the VGA cable on the laptop or the screen
2.) If fault persists, the issue is with the graphics chip. In which case, strip the laptop and clean out the cooling fan, matrix and (if you feel confident), remove the heatsink assemnly and clean and replace the heatsink compound on the CPU, ensure that the thermal pad on the graphics chip is intact and tighten the screws thoroughly.
If that fails, I'm afraid the graphics chip will need reballing
Posted on Mar 26, 2011
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Posted on Jan 02, 2017
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