10 update, the screen flashes.

Update Windows 7 10, (last night). My laptop screen keeps flashing and I can't use the computer at all. How can I uninstall Windows 10 & back to 7?

I suggest you only start Win10 in safe mode. Because you screen flashes the only way to do so is in the password screen. When you're at the password screen, click the power options in the lower right. Hold down the SHIFT key and select restart. This will get you to the troubleshooting page. Once you're in safe mode, you can return to Win7. I suggest you google "Win10 starting in safe mode" and "return to Win7 from Win10. It should provide you with screenshots. I hope this helps.

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