Laptop screen remains black and fan runs at full speed
Problem description:
When the laptop is turned on, the screen remains completely black/blank and the cooling fan starts running at full speed. The fan runs at unusually high RPM until you power down the laptop.
Possible cause:
Motherboard failure.
Laptop screen goes darker when adapter plugged in
Problem description:
The laptop screen goes darker when the power adapter is plugged in. When the adapter is unplugged, the screen becomes brighter.
Possible cause:
Wrong setting in the power management software or BIOS.
Tags: Screen goes dark
Laptop screen flickers on and off
Problem description:
The laptop screen flickers on and off.
Possible cause:
1. Screen inverter failure.
2. Backlight lamp failure.
3. Bad video cable.
4. Video card failure.
Tags: Backlight failure, Screen goes dark, Screen shows no video
Image on screen is very dark after laptop fell off the desk
Problem description:
The image on the screen is very dark after the laptop fell of the desk. You still can see the desktop background picture and icons if you look very closely but the screen has no light.
Possible cause:
1. Video cable got disconnected from the screen inverter board.
2. Damaged backlight lamp inside the LCD screen.
Laptop backlight stopped working
Problem description:
The laptop backlight stopped working without any reason. The screen was working fine a while ago but now it’s very dark. The image is still on the screen but it’s barely visible. When the laptop rebooted, the screen remains very dark.
Possible cause:
1. Backlight inverter failure.
2. Backlight lamp failure.
Laptop screen turns on, flickers and goes black
Problem description:
The laptop screen turns on properly then flickers and goes black. If you restart the laptop the failure sequence repeats.
Possible cause:
1. LCD screen inverter failure.
2. LCD screen backlight lamp failure.
Tags: Bad image on screen, Screen flickers, Screen goes dark
Laptop screen goes black for no reason
Problem description:
The laptop screen goes black for no reason. The laptop starts properly and the screen works properly for some time, but later it just goes black. After you restart the laptop, the screen goes black after some time again.
Possible cause:
1. Screen inverter failure.
2. Screen backlight failure.
The screen gets dimmer when AC adapter is plugged into laptop
Problem description:
The screen gets dimmer when AC adapter is plugged into the laptop. The screen is bright when laptop runs on the battery power.
Possible cause:
LCD brightness settings in the power management software or BIOS setup menu.
Tags: Screen goes dark
Laptop starts with pinkish screen. After a while the screen goes completely dark.
Problem description:
The laptop stars with a pinkish screen. All white colors have a light pink tint to it. After a while the screen goes completely dark. If you restart the laptop it starts with a pinkish screen again but after some time it goes dark again. Time intervals between screen failures may vary after each restart. If you reduce the screen brightness, the screen stays on for a longer time.
Possible cause:
Backligh lamp failure.
Laptop stars but the screen remains very dark
Problem description:
The laptop starts but the screen remains very dark. You can hear normal startup sound even though the screen is almost black. If you look on the screen very closely under the bright light you can see outlines of normal desktop image.
Possible cause:
1. Inverter board failure.
2. Screen backlight failure.
