How To Fix Laptop Screen White Lines. Check if the vertical lines appear in BIOS screen Restart the computer and tap F2 on Dell logo. Connect an external monitor.
Ctrl Alt Delete which is. Try booting up in safe mode or BIOS if. When this tube reaches the end of its life a white line shows across the screen.
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Make sure you have connected the power cable 3. If lines are various hues or with. Black horizontal lines on a Laptop screen might be an aftereffect of a hardware problem or an issue with your graphic card laptop screen resolution ribbon cable. Plus a 90-day warranty on all services.
