My english is not good i have problem with my dell inspiron laptop 1501 some body give it free to me two months ago.
It was dirty i open all parts of my laptop i clean inside my laptop with blow dryer motherboard and all other parts after finished and clean them closed all parts. plug the power cord and press the power every things of my laptop works good. next day again i plug the power cord and press the power but this time the screen of my laptop was black and dark, the charger of my laptop works it has green light on it co and dvd works, my problem is just screen of my laptop it does not show me nothing it is black. i open my laptop again plug the power cord and without press the power i saw two green light almost close together on the motherboard top right of the my laptop up of Network Interface Card (NIC) Driver one of them (left) remain constant always on and the other one (right) is blinking look at picture below. Does someone knows how to solve this problem.
I tried this
Unplug the power --> remove the battery --> Hold the power button for 60
seconds --> Connect the power supply then try to switch ON the laptop and later
put the battery back into the laptop.
Dell Inspiron 1501 Notebook Computer - Motherboard Top