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#1 |
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Decoy
Moderator
Join Date: Jul 2006
Location: A magical land full of pink fluffy sheeps and bunnies
Posts: 16,570
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Out of cheese error!!! ++Redo From Start++
When my PC starts up, just after it detects the drives it gives an error saying something along the lines of "CMOS checksum error - using default values". Does anyone know a good reason it might do this? The part that really confuzzles me is that it already has everything set to default, and since there don't seem to be any problems after choosing the "press F1 to continue" option the error doesn't actually seem to do anything.
One thing I've wondered is if it could be because I don't have a floppy drive. Would it complain if it can't find one? I'd have thought it would just ignore it, but I really can't think of anything else. I should mention that I built it all myself, so asking the vendor isn't really an option. |
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I am not a little teapot. |
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#2 |
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Homo Skepticalis
Join Date: Aug 2001
Location: Occupying my barstool
Posts: 3,179
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Save Caribbean Rum! (seriously) |
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#3 |
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Philosopher
Join Date: Sep 2005
Location: Location: Location:
Posts: 6,771
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Try going into the Bios and saving it. If you still get that error on later startups, it may be the battery.
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Being offended by someone questioning your beliefs is a sign that you should be questioning them. In the beginning there was nothing. And the Lord said "Let There Be Light!" And still there was nothing, but at least now you could see it. |
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#4 |
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Insurance Underwriter of Doom
Join Date: Nov 2006
Posts: 4,473
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I will add another "it's the battery" opinion. You can get that error if the BIOS settings are incorrectly set, or if the computer crashes while trying to set them. I've seen it while trying to overclock through the BIOS a couple times when I set the values outside the range the motherboard liked.
But if you're getting it without having changed anything, it is probably the battery started to go. If it still happens when you change it, you may have trouble, but worry about that when you get there.
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"If you drink virus water ,i must say ‘don't drink it,it is trap’." -Emre_1974tr Ex-defendant in Simpson v. Randi, et al. |
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#5 |
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Decoy
Moderator
Join Date: Jul 2006
Location: A magical land full of pink fluffy sheeps and bunnies
Posts: 16,570
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Well, I've tried replacing the battery with no effect whatsoever. Unfortunately I replaced it with an even older one from a different computer, so that probably doesn't prove anything at all. However, it's been doing this pretty much since I first bought it, although it was probably hidden by some other problems to start with. Also, there have never been any problems with the clock, or anything else for that matter. Are suppliers in the habit of selling motherboards with dead batteries?
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I am not a little teapot. |
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#6 |
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Insurance Underwriter of Doom
Join Date: Nov 2006
Posts: 4,473
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__________________
"If you drink virus water ,i must say ‘don't drink it,it is trap’." -Emre_1974tr Ex-defendant in Simpson v. Randi, et al. |
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#7 |
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Wuse
Join Date: Jan 2007
Location: Tralfamadore
Posts: 1,443
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Have you tried going into the BIOS and saving it as tsg suggested? I'd second that notion. Go into the BIOS, check all the settings (like no A: as you have no floppy), check the boot order (to be sure it isn't trying to boot off the nonexistent A: or something similar) then save the changes.
Odd things can happen to the BIOS that may not be related to a dead battery. Twice now, on a very hard (blue screen) crash on my XP computer, the BIOS suddenly decided that my hard drives were gone. It wouldn't report an error, but it also wouldn't report any hard drives, and it failed with no boot device. After a couple scary moments, I went into the BIOS, had it autodetect all hard drives, and it booted just fine. |
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“I don't even know how to count.” -- Sylvia BrowneThis is invisible.“We're playing for blood, the stake is EARTH.” -- L. Ron HubbardThis is invisible.“I don't feel strong.” -- Uri Geller
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#8 |
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0.25 short of being half-witted
Join Date: Oct 2006
Location: Somewhere north of the South Pole
Posts: 11,938
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Those symptoms are so very indicative of either a dying battery (which you checked) or a defective BIOS. I'd see if the motherboard manufacturer has any sort of update for it. That might get it more stable.
If neither suggestion works out, try thinking really outside the box. For example, make sure the motherboard isn't grounding out funny, like a surface with a trace touching any part of the case. Or, replace all but one of the metal screws holding the motherboard with nylon standoffs (you can get those at Radio Shack or other electronics hobby stores, and yes, I have personally seen that fix bluescreens and other sorts of odd problems before). Or make sure the cables themselves aren't defective; you may want to try removing your mboard and power supply from the case and doing very bare boots; only enough RAM to boot, the hard drive, and the video card installed. Then, add components, and see if the problems start with the addition of a component. If all else fails and the thing's still under warranty, I'd see what the manufacturer's tech support has to say. It's always worth checking with the vendors or manufacturers in case there's a recall. Aside: I have no life. I even do work-like activities when I'm not at work. ![]()
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must take this very carefully....booze is wise men's drink..... -pillory "... I'm quite willing to have everyone use my rejection of the 9/11 conspiracy theory as a basis for assessing my intelligence, judgment, and trustworthiness" -Prof. Ann Althouse |
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#9 |
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Wuse
Join Date: Jan 2007
Location: Tralfamadore
Posts: 1,443
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Was that for my particular problem? Oh this hasn't happened in several months now.. I was just pointing out that experience to Cuddles as a way to say that odd stuff happens to BIOSes that aren't necessarily the battery and my solution was to check the settings, correct a little problem, save, and it was fine. (My clock and settings are still just fine, several months later, so the battery wasn't an issue.)
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__________________
“I don't even know how to count.” -- Sylvia BrowneThis is invisible.“We're playing for blood, the stake is EARTH.” -- L. Ron HubbardThis is invisible.“I don't feel strong.” -- Uri Geller
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#10 |
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0.25 short of being half-witted
Join Date: Oct 2006
Location: Somewhere north of the South Pole
Posts: 11,938
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__________________
must take this very carefully....booze is wise men's drink..... -pillory "... I'm quite willing to have everyone use my rejection of the 9/11 conspiracy theory as a basis for assessing my intelligence, judgment, and trustworthiness" -Prof. Ann Althouse |
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#11 |
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Decoy
Moderator
Join Date: Jul 2006
Location: A magical land full of pink fluffy sheeps and bunnies
Posts: 16,570
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Right, it's not the battery, it's not any settings and it's not any drivers. The only thing left seems to be the BIOS, but when I try to update it the Flash utility just gives me a funny error. Is there some clever thing I'm missing when I try to do anything? For some reason they didn't feel the need to include any instructions with the update files.
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I am not a little teapot. |
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#12 |
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Wuse
Join Date: Jan 2007
Location: Tralfamadore
Posts: 1,443
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You could try resetting the BIOS to its defaults by way of a jumper on the motherboard and then update it, if need be. (Not sure if there is one of those on every motherboard, but should be.)
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__________________
“I don't even know how to count.” -- Sylvia BrowneThis is invisible.“We're playing for blood, the stake is EARTH.” -- L. Ron HubbardThis is invisible.“I don't feel strong.” -- Uri Geller
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#13 |
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Critical Thinker
Join Date: Aug 2004
Posts: 384
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What is the actual error message you are getting? (...from the flash utility)
Also, there may be an option in the BIOS to enable/disable flash write protection which might default to "enabled". If you enter the setup. load defaults and then save and exit, does the checksum error re-occur immediately on the following reboot or do you have to boot into the OS first before the error would show up again? |
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#14 |
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Decoy
Moderator
Join Date: Jul 2006
Location: A magical land full of pink fluffy sheeps and bunnies
Posts: 16,570
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It gives this as an error log:
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I am not a little teapot. |
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#15 |
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Decoy
Moderator
Join Date: Jul 2006
Location: A magical land full of pink fluffy sheeps and bunnies
Posts: 16,570
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Right, ignore the problems with updating stuff, I seem to have worked that one out now. Unfortunately it doesn't seem to have actually helped matters. Any more ideas?
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I am not a little teapot. |
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#16 |
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Critical Thinker
Join Date: Aug 2004
Posts: 384
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I sent your crash dump to Sylvia Browne and she replied she senses that you might have tried to run the update utility under Windows. Would this count as a hit?
In order to further figure out which state transition triggers the error condition, there's still some telling apart to do. You say a simple reset doesn't. Next thing to try would be S0->S5 without any BIOS involvement. For this, while the computer is running, hold the power button (press and do not release) until the computer switches itself off. Usually, this takes at least 4-5 seconds. If you turn it on again and the error shows, software (including BIOS) is unlikely to be the cause. Also interesting would be the effect of a S0->G3 transition. This sounds really technical but effectively requires you to remove the power plug (or the battery, if this is a laptop) while the system is running and see what happens once power is restored. Don't do any of this while the system is still booting, since otherwise CMOS checksum errors might be normal. Do you have any information as far as the make/model of your mainboard, BTW? |
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#17 |
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Decoy
Moderator
Join Date: Jul 2006
Location: A magical land full of pink fluffy sheeps and bunnies
Posts: 16,570
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I tried running it everywhere I could think of. Turned out there is an update utility hidden somewhere in the BIOS setup so I didn't even need the one they gave me, only the update file itself.
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I am not a little teapot. |
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#18 |
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Critical Thinker
Join Date: Aug 2004
Posts: 384
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If a power failure triggers the error, it is rather unlikely that software is involved in any shape or form.
Glenwood -> ICH7. I believe there were no known issues as far as power sequencing etc. with this one. (ICH7 would be the southbridge, the part where the CMOS functionality physically resides) Since you already replaced the battery, trying a different PSU might bring about a difference. Finally, just for the "fun" of it, you could unplug all drives, plug-in adapters etc. except for keyboard and primary video - even unplug the monitor until the point where supposedly the error message is being displayed - and see if the error is still there -> ruling out that last .01% of a chance the BIOS could be involved. The reason why you would also unplug the monitor is that, on occasion, these things - with the "help" of the GFX card - have a tendency to feed current back into the system sufficient to sometimes interfere with normal operation. |
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