Laptop sees wireless router but will not connect
Problem description:
The laptop sees the wireless router but will not connect or get IP address. Another computer works fine with the same wireless router.
Possible cause:
1. Wireless card driver corrupted.
2. Problems with the operating system.
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
Image on screen gets garbled when laptop moved
Problem description:
The image on the screen gets garbled when the laptop moved. To get the image back to normal you have to restart the laptop.
The image on the external monitor gets garbled too when the laptop moved.
Possible cause:
1. Bad connection between laptop video card and motherboard.
2. Bad video card.
3. Bad connection between laptop memory and motherboard.
Tags: Bad image on screen, Video garbled
Lower part of screen displays garbled colors
Problem description:
The lower part of laptop screen displays garbled colors and the upper part of the screen works just fine.
Possible cause:
LCD screen failure.
Tags: Bad image on screen, Video garbled
Power light flashing erratically and battery charge light blinking on and off
Problem description:
The laptop power light flashing erratically and the battery charge light blinking on and off when AC adapter is plugged into the laptop.
Possible cause:
1. Power jack failure.
2. AC adapter failure.
Laptop screen shows vertical dotted lines
Problem description:
The laptop screen shows vertical dotted lines. The dots are red and moving up and down. The external monitor connected to the laptop either has garbled image or shows same dotted lines.
Possible cause:
1. Failed memory.
2. Failed video card.
Tags: Lines on screen, Video garbled
Laptop has a few colorful lines on screen
Problem description:
The laptop has a few very thin colorful lines on the screen running from top to bottom. These lines are vertical and spread with irregular intervals. Lines appear on the screen even on the BIOS level.
Possible cause:
LCD screen failure.
Tags: Lines on screen
Laptop starts with blue screen error after it was dropped
Problem description:
The laptop starts with a blue screen error after it was dropped.
The laptop turns on as normal, starts loading Windows, displays a blue screen error and reboots on its own.
Possible cause:
1. Memory module popped out from the slot.
2. Hard drive got disconnected from the motherboard.
3. Hard drive failed.
Tags: Laptop doesn't start, Laptop gives error message, Laptop was dropped
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
Hard drive does not show up in laptop BIOS
Problem description:
The hard drive does not show up in the laptop BIOS.
Possible cause:
1. Failed hard drive.
2. Defective hard drive cable.
3. Failed hard drive controller on motherboard.
Tags: Hard drive failure
