Hello, I'm running Windows 7 on a Toshiba P755 laptop. Yesterday, I ran an update for Java. After that, my pc ran updates and had to shut down and re-start. It ran okay until the next time I started up. Now, I get the start-up error suggesting I run Start-up Repair. I do that band it says it's loading files and then, the screen goes blank and that's it. Nothing.
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press F8 during the boot and enter into safe mode. there you can uninstall the updates or run msconfig to turn off different startup services to look for the problem.