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CMOS and/or BIOS no longer accepts changes


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#1 night5runner

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Posted 22 February 2018 - 05:33 PM

I'm not sure what happened. At some point I thought it a good idea to add a password to my Bios or Cmos. I still remember the password and can get into it, but changes can no longer be made. This is a problem because one of my fans isn't running. At some point I changed the fan control in Bios from 100% all the time, to temperature controlled. I wanted to go back to 100% case fan running, but when I get into the Bios it doesn't let me change anything. The Bios is: Award Software International, Inc. F6 1/9/2014 The baseboard is: Gigabyte Technology Co. Ltd. It's running windows 10 So from my understanding I press "del" key during restart to access the Bios. When I get there and enter my password, it says I'm in CMOS. I don't know the difference between Bios and CMOS and if that's an issue. But I used to be able to make changes. Now I can't. Any help is appreciated.

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#2 Eyesee

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Posted 22 February 2018 - 05:38 PM

Unplug the system. Open the case. Remove the CMOS battery. It is round and about the size of a nickel. Let it sit for about 15 minutes and put the battery back in.

See if you can save changes then


In the beginning there was the command line.

#3 night5runner

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Posted 22 February 2018 - 06:41 PM

This motherboard has the battery hidden behind the graphics card. I'm unfamiliar with how the clip works holding the AMD GTX gpu, whether I push it in, slide to a side etc. The motherboard is a Gigabyte GA-78LMT-S2. So I think I'll have a professional temporarily take out the CMOS battery when I replace the case fans with higher quality ones. Thanks anyway.

#4 JohnC_21

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Posted 22 February 2018 - 06:55 PM

Motherboards usually have a jumper you move with the power unplugged. Check your manual. See page 18. It says to either place a jumper on the two pins or short the pins for a couple of seconds with a metal object. Be sure to ground yourself on some bare metal of the case before doing this.



#5 xrobwx

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Posted 23 February 2018 - 09:21 AM

This motherboard has the battery hidden behind the graphics card. I'm unfamiliar with how the clip works holding the AMD GTX gpu, whether I push it in, slide to a side etc. The motherboard is a Gigabyte GA-78LMT-S2. So I think I'll have a professional temporarily take out the CMOS battery when I replace the case fans with higher quality ones. Thanks anyway.

First do this: giga_screw.jpg

Then this: gigabyte.jpg

Or JohnC's advice:giga_clear_cmos.jpg

CMOS = BIOS


7581204627.png


#6 night5runner

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Posted 24 February 2018 - 06:44 AM

Good to know CMOS=BIOS. I downloaded the owner's manual and found that page. I watched a few youtube videos on using the jumper to reset CMOS. I'm just not comfortable trying it. You just power off, unplug, then get a screwdriver and touch the connection in the diagram? I need to take the PC in for fan replacements so I'll have them reset CMOS then. I may try it next time. Thanks for the help anyhow.




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