All laptop USB ports failed at once
Problem description:
All laptop USB ports stopped working at once. Laptop stopped recognizing any USB device plugged into any USB port.
Possible cause:
1. Software problem.
2. USB controller failure.
Tags: USB port problems
Power lights turn on but the screen shows no image
Problem description:
When you push on the power button, the power light on the laptop turns on but the screen shows no image. The laptop screen remains black and blank. Video on the external monitor also not working even though it used to work fine before.
Possible cause:
1. Memory failure.
2. Video card failure.
3. Motherboard failure.
Image on laptop screen freezes and slowly turns white
Problem description:
Spontaneously the laptop screen will “freeze” the current image and then slowly turn white with some faint gray blotches. If I move the top of the laptop toward me, sometimes the image comes back to normal. If I move it backward, then the image freezes and goes white again. The laptop works fine with the external monitor.
Possible cause:
1. Bad connection between video cable and LCD screen.
2. LCD screen failure.
After upgrading hard drive it’s not detected by laptop BIOS
Problem description:
After upgrading the hard drive it’s not detected by the laptop BIOS. The hard drive doesn’t appear in the BIOS.
Possible cause:
1. Hard drive is not connected properly.
2. Hard drive not supported.
3. Bad hard drive.
Tags: Hard drive failure, Laptop upgrade
Laptop starts with blue screen error after memory upgrade
Problem description:
The laptop starts with a blue screen error after memory upgrade.
Possible cause:
1. Memory not seated correctly.
2. Bad memory module.
3. Bad memory slot on motherboard.
Half the laptop screen is black
Problem description:
One half of the laptop screen is completely black. The second half of the screen works properly.
Possible cause:
LCD screen failure.
Tags: Bad image on screen
Laptop shuts down when playing games
Problem description:
The laptop shuts down on its own when playing games. All other time it works fine.
Possible cause:
Laptop overheats.
Tags: Laptop shuts down
It take a few minutes to boot laptop
Problem description:
It takes a few minutes to boot my laptop to the desktop. I have to wait for a long time before I can run programs or open windows.
Possible cause:
1. Not enough memory installed.
2. Lots of software applications loading on startup.
3. Hard drive is failing.
Laptop shuts down while installing Windows
Problem description:
The laptop shuts down while installing Windows. The installation process runs fine for a while but after some time the laptop shuts down on its own. Same problem happens if you start the installation process again.
Possible cause:
1. Laptop overheating.
2. Memory failure.
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.
