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An expert who has answered 20 questions.
Re: HP Pavilion DV7 Display problem
How long have the colors on your display been "reversed/inverted" and looking like a negative....... Did you drop or damage the laptop in any way (sudden shock/bump)? Also, has it been allowed to overheat (if you run the laptop while it is sitting on a soft surface such as a bed, pillow, couch, etc it can allow the motherboard to overheat because it cannot get the airflow through the cooling system through the fan/vents because they are blocked). Have you checked to see if your laptop is included in the "HP Service Enhancement" program???
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Difficult to understand your question.
If an external monitor works then the problem is Cheapest to most expensive:
MB to Power inverter cable is bad (No light to board) to check shine a flash light at you screen if still black not this
Power inverter is bad (No light to board) to check shine a flash light at you screen if still black not this
Cable from Motherboard to Laptop screen is bad flashing on wiggle test will show flickering image
Display panel on laptop is bad if this is the case replace the Display cable/ Inverter power cable/LCD
this may still not solve the problem if you are not sure take to a local repair shop
Hi, you better use usb mouse, the one with light at the bottom to see if it is on after you power on you
pc. If you did not see the light on, that means the video chip on the motherboard or processor is bad.
You have to try 1 memory at the time, then try the processor, if it is still not working, the motherboard is bad.
HP Limited Warranty Service Enhancement - HP Customer Care (United ...
If you own an HP Pavilion dv2000, HP Pavilion dv6000, HP Pavilion dv9000 or Compaq .... Willthere be a future BIOS release that does not make my notebook fan remain ... Black Screen Error Messages that may Occur During Startup or Boot ... h10025.www1.hp.com/ewfrf/wc/document?docname...lc=en...