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do you still see the compaq logo and does it show you the windows boot up screen before it goes blank?
do you see anything on the screen at all after pressing the power button?
Check if the laptop is receiving power. If it has power and you can't see anything on the screen it could mean that the LCD assembly or the Video card of your laptop is bad.
If it goes to the compaq screen and then to windows logo before going out, try booting into safe mode and once there uninstall the video driver from the device manager because that means the resolution was set to something higher than the display could handle.
If it restarts after showing the compaq screen try reseating the memory, hard drive and wireless card of your computer put them one by one and try turning the compter on after each part you put back to check which component is point of failure.
Otherwise you have a bad motherboard and it may have to be replaced.
Hope this helps!
Did the same and burnt a frazzled chip. it is on the 3rd circuit board (I believe it provides the lamp power). It is the 8
pin surface mount chip next to C900. As far as I can make out, the numbers on the chip are
I was told it's the lamp drive.
If it is indeed lamp drive, then when you turn the monitor on, round the edges of a flashlight pressed to the screen, you should see a picture.
If there isn't one, you may have killed more than I did.
Is there no power regulator at the input?