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Think my motherboard battery needs replacing - when I turn on computer clock is wrong time. Motherboard is K7S8X. What is battery part number please?

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Just look inside. The battery is a round watch type lithium cell, usually CR2032.

Posted on Oct 04, 2009


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My date and time not update it always return back?

Hello Jennybabe,
I believe that your motherboard may need a new battery for internal clock. When your turn the computer, it takes a long time to boot up would indicate that the BIOS system is loosing it's internal stored data including the time and date. First unplug the power cable from your computer. Look on the motherboard for a sliver colored coin shaped battery. It usually is toward the rear of the motherboard, The battery will be mounted in a holder with two spring arms to hold it down. Look on the side of the battery facing up. It will have a number on that starts with the letters "CR" and some numbers, perhaps 2330. So the whole number would read "CR2330". Purchase the new battery from a computer shop or from Radio Shack, sometimes a drugstore will have them. Remove the old battery by placing a fingernail on one of the spring arms and pushing it open. Now use a fingernail on the the other hand to lift the the old battery out of the holder. Do not force, if all is right the battery will just lift rout easily. This is slightly complicated and can be frustrating at first. Now take the new battery, holding it by the sides, slide it into the holder toward the bottom of the holder. When the battery is firm to the bottom of the holder press the upper edge of the battery down into the spring loaded arms. They will snap into position and hold the battery into position. Now replug the power supply cord into the power supply. Reassemble the machine and turn it on. Reset the time and date and use the machine for a while. now turn the machine off and wait through one of your favorite movies. Now turn the machine back on and verify that the machine does not stop for time and date entry. If it does that the clock section of the motherboard is damaged. If this happens then the only solution is to replace the motherboard. If there are further problems please retunr here and post them. Hope that this helps.

Nov 29, 2013 | Computers & Internet

1 Answer

We have some problem with Clock system.

change the battery for cmos on board if that dose not work then you need a new board.

Nov 25, 2013 | SuperMicro X5DPL-IGM Motherboard

2 Answers

How to change battery on asrock k7s8x motherboard

A coin-cell battery (CR2032) usually powers the real-time clock and CMOS memory. The battery is 3 Volts, 3/4" in diameter and has an estimated life of three years. When the computer is plugged in, the standby current from the power supply extends the life of the battery.
Just open the desktop, locate the CMOS (Coincell) and remove using screw driver. Replace the battery with CR2032 or an equivalent one.The following brands are used interchangeably for this item: Energizer (ECR2032), Duracell, Panasonic, Eveready, and 3M etc, which can be purchased from any local electronics store.

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Feb 03, 2011 | Asrock K7S8X-R3 Motherboard

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Every time when I start PC I have to setup time and date.Why?

At cases like yours the problem is at the exchausted CMOS battery. On the motherboard there is a small round battery like this one:

Replace it with a new one, it very cheap start up the pc, go to bios settings and adjust the date and time, save and exit.

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Nov 21, 2010 | Asrock K7S8X-R3 Motherboard

2 Answers

My computer time and date keeps resetting itself to a different time. I'm connected to the internet but that is all. Why does it do this?

the clock microchip inside you motherboard is run by a small lithium battery model # CR2032 ( the size of a small coin) this is embeded in the motherboard, this can be replaced with a new one by removing the PC's cover and looking for it on the motherboard .....once replaced the clock can be re-set to the current time....once the machine displays the Desktop screen....


Oct 06, 2010 | Computers & Internet

1 Answer

What replacement battery do I need for the

try going to your local pc store and just bring the tower or the mobo with you they should be able to replace the bios battery most of them are same size

Jan 08, 2010 | Asrock K7S8X-R3 Motherboard

2 Answers

I have a Dell dimension 9150 which is 2 1/2 years old. Does it have a battery that I need to be concerned about replacing. I remember that used to be a problem with computers but don't know if that is...

Every PC motherboard has a battery. That battery serves two purposes: to feed the configuration memory (also called CMOS) and to feed the real time clock of the computer (the one that show the date and the time).
An indication it is time to change the motherboard battery is receiving one of the following error messages when you turn on your computer: CMOS CHECKSUM FAILURE, CMOS BATTERY STATE LOW, CMOS SYSTEM OPTIONS NOT SET and CMOS TIME AND DATE NOT SET. Another indicator of a low battery is a clock that, after being set, runs well while the computer is on, but shows the wrong time when the computer is turned on the following day (it is late).

Apr 21, 2009 | Dell (2336V) Motherboard

3 Answers

Clock on pc keeps going wrong

Your computer system has a RTC (Real Time Clock) Battery that usually stores the correct time and other settings of the motherboard when you power down. If this battery is dead or faulty, it will reset Get it replaced and set your time once and it should remain correct as long as the battery is good.


Mar 18, 2009 | Microsoft Windows XP Home Edition for PC

1 Answer


Its time to replace the battery on the motherboard which save your date and time when you turn off your computer. when you open your computer you will see a flat round battery in the motherboard. Just replace it and you are good to go.


Oct 31, 2008 | ASUS P5VD2-MX SE Motherboard

2 Answers

Cmos settings

CMOS is a memory chip on your computer that stores BIOS information as well as system clock. It powered by a 3V backup battery. If your computer is more then 3 years old it is possible that the backup battery on your PC needs to be replaced. Replace your battery then go to BIOS setup and adjust your date and time. But it is also possible that the clock is a bit off, so first your can just try to adjust your clock without replacement of the battery. You can also do it inside the windows from control panel. Be sure you have a correct time zone.

Good Luck!

Jun 08, 2008 | Intel Motherboard

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