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BIOS losing settings
#4712650
03/31/18 06:20 PM
03/31/18 06:20 PM
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Joined: Nov 2008
Posts: 9,394
Phoenix
dishdude
OP
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OP
Joined: Nov 2008
Posts: 9,394
Phoenix
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I'm working on an Acer B116 notebook that if it sits for awhile keeps losing the BIOS settings. It reverts back to UEFI, refuses to boot and the time goes back to 1/1/2014. Going into the BIOS and changing it to legacy boots it right up. I checked the CMOS battery and it's at 2.63v. but the label on it says 3.0v. Could this be my problem?
2018 Challenger SRT 392 PUP 0w-40 Wix 57899XP
2018 GTI
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Re: BIOS losing settings
[Re: dishdude]
#4712677
03/31/18 07:00 PM
03/31/18 07:00 PM
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Joined: Jan 2009
Posts: 6,566
New England
gathermewool
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Joined: Jan 2009
Posts: 6,566
New England
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Change the battery.
Are you hearing a series of beeps from the MB? That’s how my past MB’s have let me know
'14 Forester XT FA20DIT (Cobb Stage 1)
Edge 0W-40 + FU filter (64,774 miles)
'15 Legacy FB25 (OEM Stage, uh, neg. 7?)
Edge 0W-20 + FU filter (40,803 miles)
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Re: BIOS losing settings
[Re: dishdude]
#4712721
03/31/18 07:51 PM
03/31/18 07:51 PM
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Joined: Nov 2008
Posts: 9,394
Phoenix
dishdude
OP
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OP
Joined: Nov 2008
Posts: 9,394
Phoenix
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No beeps, ordered a new battery. I am a little puzzled - when I looked up the part number it's supposed to be rechargeable.
2018 Challenger SRT 392 PUP 0w-40 Wix 57899XP
2018 GTI
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Re: BIOS losing settings
[Re: dishdude]
#4712726
03/31/18 08:00 PM
03/31/18 08:00 PM
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Joined: Jan 2009
Posts: 6,566
New England
gathermewool
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Joined: Jan 2009
Posts: 6,566
New England
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Are you sure you don’t mean that you looked up the battery type? Never heard of a rechargeable CMOS battery.
'14 Forester XT FA20DIT (Cobb Stage 1)
Edge 0W-40 + FU filter (64,774 miles)
'15 Legacy FB25 (OEM Stage, uh, neg. 7?)
Edge 0W-20 + FU filter (40,803 miles)
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Re: BIOS losing settings
[Re: dishdude]
#4712729
03/31/18 08:06 PM
03/31/18 08:06 PM
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Joined: Nov 2008
Posts: 9,394
Phoenix
dishdude
OP
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OP
Joined: Nov 2008
Posts: 9,394
Phoenix
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Might be the battery type. ML1220 is what it's marked.
2018 Challenger SRT 392 PUP 0w-40 Wix 57899XP
2018 GTI
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Re: BIOS losing settings
[Re: dishdude]
#4712730
03/31/18 08:07 PM
03/31/18 08:07 PM
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Joined: Oct 2004
Posts: 3,212
Midwest, Illinois
beanoil
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Joined: Oct 2004
Posts: 3,212
Midwest, Illinois
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CMOS battery should be a medium button type, maybe a CR3032, not the battery pack that runs the laptop.
beanoil: Tough under heat, real dirty afterwards.
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Re: BIOS losing settings
[Re: dishdude]
#4712732
03/31/18 08:14 PM
03/31/18 08:14 PM
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Joined: Nov 2008
Posts: 9,394
Phoenix
dishdude
OP
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OP
Joined: Nov 2008
Posts: 9,394
Phoenix
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 The connector looks the same on the one I bought, but it's tough to tell if it's the same size. This one is tiny.
2018 Challenger SRT 392 PUP 0w-40 Wix 57899XP
2018 GTI
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Re: BIOS losing settings
[Re: dishdude]
#4712915
04/01/18 05:23 AM
04/01/18 05:23 AM
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Joined: Apr 2015
Posts: 424
Reunion Island
Superflan
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Joined: Apr 2015
Posts: 424
Reunion Island
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If the connector is different, cut the black heat shrink wrap and swap the cables on the tabs.
Peugeot Partner 1.9 D, 5W40 C3, 245000 Km, running on WVO
Wife's Mitsubishi Outlander PHEV, dealer’s overfilled, 16000 Km
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