Laptop "Screen" has a Vertical Line
4.5
A single, thin line of a solid color (red, green, or blue) runs from the top to the bottom of your screen.
Symptoms
- Vertical line
- Stuck color
- Permanent mark
Possible Causes
- Damaged display ribbon (TAB bond)
- Physical impact
- Failing LCD controller
Step-by-Step Fix
1
Press the Bezel
Gently squeeze the frame at the top or bottom of the line; if it disappears, it's a loose connection.
2
Connect to External Monitor
If the line isn't on the external monitor, your laptop screen is physically broken.
3
Replace the LCD Panel
Vertical lines are almost never fixable via software.
When to See a Technician
A vertical line means a specific column of pixels has lost its connection to the controller. It usually requires a screen replacement.
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