Hi Colmenm,
Thank you for reaching out today. Welcome to Microsoft Community. We apologize to hear you're experiencing issues with your Surface Pro Display. I'll do everything I can to help resolve this quickly and smoothly for you. Thank your for sharing this prior troubleshooting steps that you test this on your external screen.
Possible reason why you get this problem is:
- Display Hardware Failure - possible physical damaged like crack or dents, bloated battery.
- Graphic Driver Corruption - outdated drivers.
- Damaged Display - Due to dropped or bumped
Please follow this steps to check further the issue of your issue.
Option 1: Test the screen in the UEFI of your Surface Pro
Step 1: Turn off your Surface and wait 10 seconds.
Step 2: Press and hold the volume up button on your Surface, and at the same time, press and release the power button. The logo screen will appear.
Step 3: Continue to hold the volume up button . Release the button when the UEFI screen appears.
Step 4: Check if your Surface Pro screen is getting the Vertical red squiggly lines.
if Vertical red squiggly lines did not appear on UEFI menu screen possible problem is Driver installed to the Surface Pro.
Option 2: Update the Display Driver (how to)
Step 1: Click Start > Search for Device Manager > open Device Manager.
Step 2: Expand Monitor section > right click on Surface Panel drivers > Uninstall Device >
Step 3: Same under Monitor uninstall NVIDIA Graphics Driver > once uninstallation is completed
Step 4: restart your Surface pro
Step 5: Once logged in click Start button
Step 6: Settings > Type Windows Updates > Check for Updates and install available updates.
Option 2: Reset your Surface Pro
Step 1: Click Start > Settings > System > Recovery
Step 2: Open Recovery > Reset This PC > Reset PC
Choose the ff:
>Keep my files (recommended)- Reinstall Windows 11 but keeps your personal files.
>Remove Everything - REinstall Windows 11 and removes personal files.
Step 3: Select Cloud Download. Make sure Surface Pro is connected to Internet.
If the Vertical red squiggly lines still appear on the UEFI menu screen or after Reset of your Surface Pro or Windows Update. The problem is with the Hardware and might need to request a service order.
go to:
https://account.microsoft.com/devices
log in using Microsoft account
go to Device > click next
follow the instruction to get service request
I hope this information helps. Let me know if you have any other questions.
Warm Regards,
Jansher | Microsoft Community Support