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black screen with two vertical lines

tash884_w
Community Member

‎10-05-2025 03:41 PM

my screen has been showing black with two vertical lines i have tried a factory reset but now i cant sign back into my device 

any advice?

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aurilie
Community Member

‎10-06-2025 04:23 AM

Hi @tash884_w,

A black screen with vertical lines usually points to a hardware/display fault rather than a software issue. A few things to try:

  1. Power cycle: Unplug the Nest display for at least 1 minute, then plug it back in.

  2. Check power adapter & cable: Make sure you’re using the original Google power supply and that it’s firmly connected.

  3. Brightness & screen damage: Shine a flashlight at the screen—if you can faintly see the UI, it’s likely the backlight or panel.

  4. Contact Google Support: If the reset didn’t help and you still can’t sign in, it may need repair or replacement.

Since you already tried a factory reset, reaching out to Google Support is your best next step.

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AndersC
Community Specialist
Community Specialist

‎10-08-2025 08:19 PM - edited ‎10-08-2025 08:38 PM

Hi @tash884_w,

 

Thank you for posting in the community. I'm sorry to hear that your device is displaying a black screen with white vertical lines, and that you're currently unable to sign back into your device after performing a factory reset. I'm happy to help.

Could you please confirm the device with the issue and the model? Additionally, please provide the details about the process you followed to factory reset your device.

@aurilie, thank you for the helpful information to fix the issue with the display.

Keep me posted.

 

Regards,

Anders

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