Laptop screen showing lines
4.5
Vertical or horizontal lines appear on the display, regardless of the app.
Symptoms
- Colored lines
- Flickering bars
- Static lines
Possible Causes
- Damaged LCD panel
- Loose eDP cable
- GPU failure
Step-by-Step Fix
1
Apply Pressure to Bezel
Gently squeeze the bottom of the screen; if lines change, the panel is bad.
2
Check External Monitor
If lines don't appear on a TV, the laptop screen is the problem.
3
Update Graphics Driver
Rule out software-induced artifacts.
When to See a Technician
Vertical lines that stay in one place are almost always a sign of a physical crack in the LCD gate driver.
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