Dell desktop BIOS battery question

By welty3
Jul 6, 2010
  1. Can a low bios battery cause slow computer operation? I am getting a low battery warning when booting up which probably is the reason the computer is slower than dirt. Thanks
  2. EXCellR8

    EXCellR8 The Conservative Posts: 1,835

    i'd be more inclined to blame something else on poor performance, because all the BIOS battery does is keep CMOS settings. it's a small, low-voltage, button cell battery that powers the chip socket. if you are experiencing slow performance, try defragging your hard drive and scanning for viruses. if the computer is taking it's time starting up, check your startup list and disable everything that's not necessary.
  3. welty3

    welty3 TS Rookie Topic Starter

    Thanks for the info, very helpfull.
  4. raybay

    raybay TS Evangelist Posts: 7,241   +9

    No, I doubt that it ever would... never have seen that be a problem it in our many years of working on these monsters.
    I would suspect, without knowing your system and setup, an old drive, a worn out dirve, a cheap drive such as Maxtor or Hitachi or TriGem or MDT, an infestation, or a badly corrupted or damaged Windows file system, or a drive that has less than 18 percent free space, or a new Seagate or Western Digital 1 TB, 1.5 terrabyte, or 2 terrabyte drive empty or full...
    But a defective CMOS battery can cause a drive to become corrupted, which can then be the problem.
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