Computer screen flashing on startup windows 7

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I have a Sony Vaio laptop with an upgrade to windows 7 from vista. Yesterday my computer was really slow so I reset it to try and speed it up. I got passed the Vaio screen but then came the black screen with the blinking dash on the top right corner. The only thing I can enter is BIOS with F2 nothing else works.

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Jun 01, 2021 · Windows Repeatedly Returns to Startup Settings or ABO . Use this guide when nothing but the Startup Settings (Windows 10/8) or Advanced Boot Options (Windows 7/Vista/XP) screen appears every time you restart your computer and none of the Windows startup options work.

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Right click on Intel (r) graphics and click on Uninstall Device. Make sure to check the option for delete the drive and hit uninstall button. That’s it, now reboot your Lenovo laptop and check if the flickering issue is solved. 3. Switch Boot Mode to UEFI. Sep 29, 2021 · Fix 3: If you use Adobe Flash and Java, uninstall them Click the Start button > Control Panel. In the view of Category, under Programs, click Uninstall a program. Select the app you want to uninstall. Restart your Windows 7 computer and check if your screen flickering problem is resolved. If not, ...

If Windows does not boot, even after waiting a long time, there may be registry or Windows system files errors. Try getting into Safe Mode by pressing the "F8" key repeatedly after starting the computer. Let us know if Windows starts in Safe mode and we can try to take it from there.Description: This is a Windows 7 troubleshooting article on the topic of resolving issues with screen flicker in Windows 7. Screen flicker is usually caused by improper resolution, refresh rate, or issues with cabling between the computer and the monitor. This guide walks through checking these issues. Right-click on an empty area of the Desktop and choose Screen Resolution.