Hi JaneceKissack!
Thanks for reaching Microsoft Community. We're here to help and let's work on this together.
I understand you're having issues with your Surface device. Happy to help and provide more options here.
For us to have a better check on the issue, could you please send us a photo of your Surface screen, where the dead pixels are visible?
For the meantime try following these steps below:
Before considering any troubleshooting options, please first make sure your device is up to date. To check for updates, just follow these steps:
Start> Settings> Update & Security> Windows Update> then check for updates and install any available updates.
Run Surface Diagnostics Toolkit and complete task here Fix common Surface problems using the Surface app and Surface Diagnostic Toolkit - Microsoft Support.
Please let us know how it goes. We look forward to hearing from you.
Greetings,
RodelioP.