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so my pc keeps "resetting" on boot and showing me DOS (lemmy.world)
submitted 1 day ago by Mighty@lemmy.world to c/pcmasterrace@lemmy.world
7 comments fedilink hide all child comments

I don't really know where to start. It's not hurting me, but I'm confused. I don't recall doing anything different o not sure where to start looking for issues.

It boots up, shows me my drives and says "settings were reset to default values" If I go into bios, nothing looks off to me. Windows doesn't show an issue.

I'm running Win10. I can give you all the info you want. Just need a hint as to where to start looking. Thanks

picture of the boot screen

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[-] sylver_dragon@lemmy.world 22 points 1 day ago

That's a common indication that the CMOS battery is dead.
If you open up the system and look around the motherboard, there should be a coin cell battery in a holder somewhere on the board. That battery keeps the BIOS powered and prevents it from losing it settings when the system is powered off. Test and replace that battery if it's dead.

[-] Mighty@lemmy.world 1 points 2 hours ago

Oh that's a small fix. Thanks for the help :)

[-] Telorand@reddthat.com 4 points 1 day ago

This. I had a similar thing happen to a laptop, and it was indeed the CMOS battery.

[-] Fuckswearwords@lemmy.world 3 points 22 hours ago

You mean POST, Power on self test. DOS hasn't been a part of Windows since XP. And yeah replace the Knopfzelle (usually a CR2032) on your mobo. Your mobo is resetting everytime you power off cause the mobo isn't getting any power. That's what the battery is for.

[-] Rooki@lemmy.world 7 points 1 day ago

How old is the Motherboard? Did you ever change your bios battery if its super old? Did you already reinstall windows? Did you do a bios update recently?

[-] UnpledgedCatnapTipper@lemmy.blahaj.zone 4 points 1 day ago

That's a 4770k, so the CPU is from ~2014, so the motherboard is probably similar vintage.

[-] Rooki@lemmy.world 2 points 1 day ago

And ddr3 ram with 1600mhz. I would guess then the motherboard battery is just super weak.

this post was submitted on 18 Sep 2024
7 points (88.9% liked)

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