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.
Only one half of screen works after laptop was dropped
Problem description:
Only one half of the screen works after the laptop was dropped. The screen is not cracked but one half of the screen is completely white. The other side of the screen works properly.
The laptop works perfectly with video output on the external monitor.
Possible cause:
LCD screen has been damaged.
DVD drive makes clicking noise when CD or DVD disc inside
Problem description:
The laptop DVD drive makes clicking noise then there is a CD or DVD disc inside the drive. The drive cannot read any CD or DVD disc.
Possible cause:
1. A foreign object stuck inside the DVD drive and blocks the tray.
2. DVD drive failure.
Tags: CD/DVD drive failure
Laptop optical drive will not eject disc
Problem description:
The laptop optical drive will not eject a CD or DVD disc. When you press on the eject button, the drive light blinking but the tray will not open up. The disc stuck inside the optical drive.
Possible cause:
Optical drive failure.
Tags: CD/DVD drive failure
Laptop has green dots in all black images on screen
Problem description:
The laptop has green flickering dots in all black images on the screen. The green dots appear in different spots without any pattern. There is not problem with light images, you can see green dots only in dark images.
The image is perfect on the external monitor.
Possible cause:
1. Bad connection between cable and video card.
2. Faulty video cable.
3. LCD screen failure.
Tags: Bad image on screen, Video garbled
Green vertical line on laptop screen disappears when screen tapped or moved
Problem description:
A green vertical line appears on the laptop screen. If the monitor is slightly tapped or moved the line sometimes disappears.
Possible cause:
LCD screen failure.
Laptop battery gets very hot
Problem description:
The laptop laptop battery gets very hot. The battery wasn’t so hot before.
Possible cause:
The main battery failure.
Laptop freezes when USB device connected
Problem description:
The laptop freezes completely when USB device connected.
Possible cause:
1. Defective USB device.
2. Bad USB port.
3. Corrupted software.
4. Motherboard failure.
Tags: Laptop freezes, USB port problems
Wide vertical stripe blocks image on laptop screen
Problem description:
A wide vertical stripe blocks image on the laptop screen. Everything works fine on the left and right sides from the stripe.
Possible cause:
LCD screen failure.
Wireless card disappeared from laptop
Problem description:
The wireless card disappeared from the laptop. The wireless card is missing from the network connections and device manager. It looks like there is no wireless card installed at all.
Possible cause:
1. Bad contact between wireless card and motherboard.
2. Corrupted software.
3. Bad wireless card.
4. Motherboard failure.
Tags: Connection to the Internet, Network connection, Wireless connection failure
