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windows 7 not starting up

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When Windows 7 fails to start after replacing a CMOS battery, common symptoms include freezing during startup repair, at the Windows logo, or in safe mode. This issue often stems from BIOS settings changes or hardware detection problems triggered by the battery swap. Troubleshooting steps may involve resetting BIOS defaults, checking SATA mode settings, or performing a system restore. Users encountering a frozen boot process should verify that the new battery is properly seated and that BIOS configurations match the original settings. If startup repair hangs, booting from the Windows 7 installation disc to access recovery tools like system restore or command prompt can help resolve the problem.
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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...
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