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bios battery

About this tag
The bios battery tag covers discussions about replacing the CMOS battery on Windows PCs to resolve boot issues. In one example, a user replaced the BIOS battery on a Windows 7 system to address a problem where the computer would not boot after a full shutdown but worked fine after being left off for a long time. The replacement did not fix the issue, indicating that other hardware or settings may be involved. This tag is relevant for troubleshooting startup failures, power-related problems, and hardware diagnostics on Windows machines.
  1. R

    Windows 7 Windows restarts ok but will not boot after shut down until cold

    Windows 7 Home Premium 64 bit, computer works fine if booted up when cold. It will also restart (soft boot) without a problem but if I shut it down, it will not boot until I leave it off for a long time - overnight always works. I have replaced the power supply with a brand new one and replaced...
    • rgeford
    • Thread
    • bios battery boot issues cold boot fans hardware home premium lighting no beeps power supply shutdown issues system behavior troubleshooting windows 7
    • Replies: 3
    • Forum: Windows Hardware
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