windows 7 freezes on startup

About this tag
This tag covers issues where Windows 7 freezes during the startup process, often after hardware changes like replacing a CMOS battery. Users report that the system hangs at the Windows logo, during startup repair, or when attempting safe mode. Common symptoms include the inability to boot normally, with the system freezing on loading files or at the Windows logo screen. Troubleshooting steps discussed include using startup repair, system restore, and safe mode, though these may also freeze. The tag focuses on resolving startup freezes in Windows 7, particularly those triggered by hardware modifications or battery replacement.
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    Windows 7 Windows freezes on startup after replacing CMOS battery

    Hey guys, Yesterday when I switched on my PC, my time was reset to 2011. So I thought that my CMOS battery had run out and i replaced it. But when I tried to boot it up,it said that windows was unable to boot up and i had to either launch startup repair or start windows normally. If I choose...