Windows 10: How do I prove my CMOS is defective?

Discus and support How do I prove my CMOS is defective? in Windows 10 Support to solve the problem; I am having multiple problems with my boot process and believe I have eliminated everything else except my CMOS. My CMOS battery is fine - but my Boot... Discussion in 'Windows 10 Support' started by Nisko, Oct 12, 2020.

  1. Nisko Win User

    How do I prove my CMOS is defective?


    I am having multiple problems with my boot process and believe I have eliminated everything else except my CMOS. My CMOS battery is fine - but my Boot Sequence is not being followed. The most glaring clue I have is this: I have only my CD/DVD checked off in my boot sequence. No USB Storage of my Primary (OS) drive. So, when I now boot, I'm asked to press any key to proceed with a CD or DVD to boot. I have my original Windows 10 Installation Disk in my drive - but booting to that would NOT allow me to boot into my Windows 10 installation. In any case, I don't press any key so my system continues to boot into my Windows 10 installation. How can this be? It shouldn't happen - so I believe my CMOS chip is somehow defective.= and I can't think of anything else that could cause this to happen. If anyone else does, please let me know before I can't boot into my Windows installation at all. Also, restoring images from Macrium Reflect don't work either. I'm using a Dell M6800 laptop workstation with two internal SATA SSD drives. I even replaced my OS drive with a brand new one. No luck. I have posted different versions of this post but no one seems to grasp what my problem is. Please help me!!!

    Perhaps @Brink can point me in the right direction........

    :)
     
    Nisko, Oct 12, 2020
    #1

  2. clear CMOS

    As @Law- II said .....

    please fill your system specs.
    If you have a desktop motherboard i would suggest to see if you CMOS battery is not dead.
     
    scoutingwraith, Oct 12, 2020
    #2
  3. Rick2021 Win User
    Does CMOS battery make an important role?

    This means the CMOS battery has failed - you need to purchase a new CMOS battery. As suggested by another expert you should upgrade your BIOS and then do the CMOS battery replacement and this should stop it.
     
    Rick2021, Oct 12, 2020
    #3
  4. Rick2021 Win User

    How do I prove my CMOS is defective?

    Does CMOS battery make an important role?

    Another expert kindly suggested that the beep code may be due to removal of your CMOS battery and you may need to update your BIOS and replace your CMOS battery.
     
    Rick2021, Oct 12, 2020
    #4
Thema:

How do I prove my CMOS is defective?

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