CMOS battery replaced still losing time

liakos · Jul 7, 2014

Hello,

I soon had my CMOS battery replaced to a new one at the beginning everything was fine and working like a charm, but after 1 mothn the same thing started happen. Pc is build at about 5 moths ago and i had 1st CMOS Battery replaced almost 1 month ago. When i use sync it show an error to sync time and display's: Time was sync to 1/1/1900.

My build is:

Intel Core i7-4770k
GA-Z87X-D3H
Corsair H100i
KINGSTON BEAST 2X4GB 1600MHZ
120GB SSD SAMSUNG EVO
1TB WD 7200 CAVIAR BLUE
EVGA GTX 760 4GB FTW AC/x Cooler
Seasonic 750W

Any help i would appreciate.

herrwizo · Jul 7, 2014

As strange as it may sound, the "new" battery might just have been too old, losing its power. Measure its voltage. A new one should have 3.0 V.

liakos · Jul 7, 2014

How i can measure the voltage? Plus why the one that mobo had broke just likes that in 5 month? EDITED

herrwizo · Jul 7, 2014

Batteries lose their power over time, even while not used. It could be that this one was stored for several years before it got sold.

Use a voltmeter to measure its voltage - or just skip this step and buy another one, from a different vendor / store. They are really not that expensive after all

liakos · Jul 7, 2014

Yes i know there are cheap enough. i read in an other forum that it might be RCT Crystall problem. Is it possible? How can i be sure that is and RCT problem or its not?

Pondering · Jul 7, 2014

Did you get a brand name CR 2032 like Energizer or Duracell? Brand names make a huge difference for motherboards and garage openers.

kajjot · Jul 7, 2014

Check that your CMOS jumper is in place or removed as required by your motherboard.
Usually there is CMOS jumper and it could have fallen off or something could be shorting out the jumper pins (check underside of the motherboard too)

herrwizo · Jul 7, 2014

No way to be sure but to replace the battery again. The easiest test. If this (3rd in a row!) fails quickly, it *could* be RTC. But still, the best way to know whether or not the batteries are faulty is to measure them with voltmeter. And as the man above suggested... get a quality brand.

liakos · Jul 7, 2014

Pondering I bought and EnergizerCR2032 3v.

kajjot I removed and replaced the battery very carefuly but ill give it a check.

Vic 40 · Jul 7, 2014

Do you take the pc totally of the power when turned off?

liakos · Jul 7, 2014

No i only shutdown and the power cord is plugged in the electricity socket.

Vic 40 · Jul 7, 2014

Maybe something keeps on drawing power,you could rebuild the system to see if there's a kind of shortage/power leakage.
You could see if you have the latest bios=F8.If not update it to see if this gives a solution.

liakos · Jul 7, 2014

Actually i wont do any updates atm caue i went to the store i bought the system and they said to me that i have to go there with my pc and they ll give it a check in order to solve the problem. but any other suggestion it would be appreciated.

Vic 40 · Jul 7, 2014

liakos :

Just wait for the outcome of this first before going at it yourself again.

liakos · Jul 7, 2014

Can internet connection affect CMOS when its time to sync via internet?

Pondering · Jul 7, 2014

I have an old computer that is not connected to the internet and the motherboard battery has ran out but it maintains its time perfectly. I have no idea.

liakos · Jul 7, 2014

Okey m8 thx

liakos · Jul 7, 2014

If there was a CMOS problem would it be visible at Device Manager?

Vic 40 · Jul 7, 2014

Do you have ? or ! in the device manager? Since you ask the question ...

liakos · Jul 7, 2014

I didnt notice if its visible in Device Manager i just fix the time the next time happens ill check asap.

Dark Lord of Tech · Jul 7, 2014

I had to RMA an Asrock Extreme 9 that had this issue there was no fix.

liakos · Jul 7, 2014

So propably its the mobo since i have already replaced the CMOS battery right?

Dark Lord of Tech · Jul 7, 2014

Exactly , I tried many so called fixes and none worked , got a new board problem solved.

Believe me it's the board.

liakos · Jul 7, 2014

Okey m8 thx for ur reply. Ill have the mobo replaced at monday.

Dark Lord of Tech · Jul 7, 2014

Your welcome!

CMOS battery replaced still losing time

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