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.

Possible troubleshooting steps and repair solution:

This is an LCD screen-related failure. Most likely there is a problem with the LCD controller board on the screen.

In this case, you’ll have to replace the LCD screen or use the laptop as-is. The screen cannot be repaired, it has to be replaced.

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