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
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
Only black screen with arrow after laptop boots
Problem description:
After the laptop boots up, all you get is a black screen with the arrow. You can move the arrow but nothing else appears on the screen. There is no background picture or icons.
Possible cause:
Software corruption.
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
Laptop screen shows wrong colors
Problem description:
The laptop screen shows wrong colors.
Possible cause:
1. LCD screen failure.
2. Video cable failure.
3. Corrupted video driver.
4. Video card failure.
Tags: Bad image on screen, Video garbled
Horizontal lines on laptop screen when display moved
Problem description:
Horizontal lines appear on the laptop screen when the laptop display panel is moved. Video on the external monitor works fine even when you move the laptop display. This problem appears only on the laptop screen.
Possible cause:
1. Poor connection between video cable and LCD screen.
2. Bad video cable.
3. LCD screen failure.
Lines running through the logo on laptop screen
Problem description:
When you start the laptop, there are lines running though the manufacturer’s logo. Windows will not load. Same lines running through the logo appear on the external monitor.
Possible cause:
Video card failure.
Some regions on the laptop screen are little pinkish
Problem description:
Some regions on the laptop screen are little pinkish. Same pinkish effect appear on the external monitor connected to the laptop.
Possible cause:
Video card failure.
Tags: Bad image on screen, Video garbled
Laptop has garbled picture on internal screen and external monitor
Problem description:
The laptop has garbled image on internal screen and external monitor. In some cases the garbled image appears as soon as the laptop is turned on. In other cases the video works fine in safe mode but not in normal mode. But the image always fails on both the internal screen and external monitor.
Reinstalling the video driver doesn’t fix the problem.
Possible cause:
1. Shared memory failure.
2. Video card failure.
