Question about Gigabyte GA-5AA Motherboard

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Motherboard/bios ok i put the wrong bios on my pc and now wen i boot up it says cmos failure and thats in i dont know what to try or do... do u know how 2 reset the bios by any chance?

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Pls remove the cmos battery from ur motherboard and re insert again...

Posted on Jan 13, 2009


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1 Answer

Wen i turn it on it is asking for password and i dont know it what do i do

Does it ask for a password Immediately when you turn it on? (CMOS password) or does windows boot up and then ask for both a username and password?

If the first, and you don't know what your password is, you can try clearing the CMOS by pulling the battery from the motherboard.

If it's a windows password, you or someone else created a password for it. Try just clicking OK, or enter Administrator as the username and leave password blank. Otherwise you may have to reset using ultimate boot CD.

Apr 16, 2011 | Acer TravelMate 2413LCi Notebook

1 Answer

''Firmware has detected cmos battery failure''

CMOS battery in the motherboard much measured .3 volt which is a Lithium coin cell battery.check whether the battery gives the correct measurement (recomend to use branded battery like from sony).
if the measurement is correct then reset your BIOS setting by removing all the jumper in the motherboard for about 60 secs.and place it again and start your pc;set yr BIOS to default setting,
let me know if it comes handy to you

Dec 04, 2009 | Intel Computers & Internet

1 Answer

My computer can not boot -BIOS ROM checksum error

to be honest if you have tried to re-flash your bios, and it did not work you still either have hte wrong version or the disc drive your using to flash it from is faulty. try another floppy drive/disc and try again. if that dont work. to be honest it's not worth getting it repaired just go out and spend £30-40 on a new mobo. sorry i'm not more helpfull but i dont believe it's worth spending that much time and effort on an old system like that with this kind of problem. good luck to you. let me know how you get on ok.

Jun 15, 2009 | EliteGroup K7VTA3 V5.0 Motherboard

2 Answers

Hi. Well there are not any reason for this problem to appear. Done nothing regarding disk problem. Anyway when I boot the process stops with the black screen with "Verifying DMI Data...... Boot from...

Make sure you dont have a floppy in the floppy drive inserted.
Also if you have a jump drive installed, plz unplug it.

But if you little computer savy. Go to your bios and make the boot sequence to first boot the Hard Drive

May 24, 2009 | Foxconn G31MX-K socket LGA775 motherboard

2 Answers

Bios failure, or what?

Hi there.
Try clearing the cmos
d015d7b.jpg<<<<< you will see in the picture a plastic jumper (in this case coloured green), move it to the other position and hit the on/off button, then put it back in its original position and power up the machine again. Hopefully the issue will have been sorted. If there is no jumper remove the battery for an hour and make sure the power cord is removed from the back before you clear the cmos

Good luck and thanks for using Fixya!!

Feb 19, 2009 | DFI AK74-SC Motherboard

2 Answers

Continuous beeping sound

Do you get video? If so then it could be a stuck key on the keyboard.

Do you get no video? If so then reseat the RAM.

Feb 10, 2009 | Sony VAIO PCV-RX370DS PC Desktop

1 Answer

My computer wont reboot in any mode

If it wont boot because you played with the BIOS settings, try resetting the CMOS. Turn off the computer, unplug the power cord, open the PC, look for the CMOS reset jumper(it is near the CMOS battery or just look at your manual for a clearer location. It has three pins). At default the jumper is placed at pins 1 and 2. Move it to pins 2 and 3. Wait for a minute. Then place it back to pins 1 and 2. Or you could take off the the CMOS battery and wait for maybe 5 minutes.

Sep 11, 2008 | Intel Motherboard

1 Answer

Cmos wrong

you need to enter the BIOS usually del key or f2 will come up lower right corner boot screen when in BIOS set for default close and save reboot see if this helps

Jul 17, 2008 | Shuttle MK40VN Motherboard

1 Answer

Wont boot up

dear bebjirmav

usually a machine that refuses/ gets gobby on boot up has either a config error or hardware fault. Now the first thing i tend to do is whip out that hard drive (carefully though as the thing is fairly fragile) and plug it into a 2.5" enclosure and stick it into a PC's USB port. If the drive spins up and doesnt make any funny noises like whining, screetching, knocking, thumping or tapping noises, then its pretty okish.

Ok so your drive is ok then is it? good i thought so. Now we mov on.

Go on my friend, you can do it, you can clear that stubborn CMOS/ BIOS, and do this by taking out the battery.....yes i did say battery, and i meant the CR2032 watch type battery that is on the motherboard. this will certainly mean disassembling the machine to get at that round metal button shaped cell battery thats attached to the motherboard by a sprung retaining clip. JUST A WORD OF WARNING WITH THIS THOUGH....ALWAYS WEAR A GROUNDING STRAP AND REMOVE THE MAIN POWER SUPPLY BATTERY AND SUPPLY CORD FROM THE LAPTOP/ DEVICE BEFORE PROCEEDING. always stop if you dont feel able to proceed, and never feel afraid to get help from a techhie like myself (we are nice people that will always help). In addition, when you get to that battery, remove it carefully, and replace it with a BRAND NEW ONE in case the one you have either is a dud, or a bit leaky (can happen if you prise it out to hard or incorrectly with that slot head screwdiver/ extraction tool)

once you got that filthy battery out, you clear the CMOS my usually looking for three pins on the motherboard that may say either CLRCMOS, CLCMOS CMOS, CLRBIOS, CLBIOS, CMOSRST, RSTCMOS..... move the jumper to the clear position for 10-20 seconds, then put the jumper back in its original position or you will find you will be a lil stuck when you put the machine together and it dont work.

once you have done that, put the new CR2032 battery or replacement CMOS battery in, then rebuild your machine.

then go into your BIOS when you start the machine, either F8, F10, DEL, F2 or F12, and enable the most stable settings, and correctly adjust date/ time. then to exit you press F10 or save and exit. and then VOILA, YA DONE.

if this doesnt boot up now, then i think so you may have either a problem with operating system that needs re-installing, or you have a hardware fault elsewhere in the system. Anyting like a dud flop drive or a insulent optical drive can do this. even more so if your boot sequence is wrong, (this should be set to Hard drive, then CD/ DVD then flop, then LAN as default.

if no fault with operating system or peripheral drives, then your fault is within the motherboard layout (deceased CMOS/ BIOS or other critical component). CMOS/ BIOSes can be changed, but this requires extensive electronics knowledge and being very competent with specialist tools such as soldering irons and IC (integrated circuit) extraction tools. All of which if used incorrectly can cause damage to you and your system, so please be careful.


can always try a firmware/ BIOS/ CMOS update, and do this by going to the manufacturers site and download the tool that will flash your BIOS, but ALWAYS READ THE README FILE and NEVER EVER FLASH YOUR BIOS WITH THE WRONG TOOL, YOU CAN AND ARE LIKELY TO KILL OFF YOUR BIOS/ CMOS (they dont usually recover when this happens as they forget their original identity and the motherboard literally "goes insane" beyond repair, unless you extract the IC chip and replace this with one of the exact type)

Anyway, good luck, and i hope this helps you, yours sincerely


if you need any instructions on how to disassemble your machine, and the tools required forthis, then please do ask me, im here to help, i also have the guides on how to re-install and configure your machine

Apr 07, 2008 | HP Pavilion dv6000z Notebook

3 Answers

I changed RAM settings in BIOS, now I can't boot - need to clean CMOS

well its quite have set the wrong latency for rams.
I suggest you put a latency around 3
reset the bios and check the know that you must have all the rams from the computer to the same all the timings or latency.
good luck..
bye bye

Feb 06, 2008 | ASUS P4S533-MX Motherboard

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