Windows 7 Forums

Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.


Windows 7: Something keeps changing my Windows time (new cmos battery)

31 Aug 2013   #1
jaye24

Windows 7 64-bit
 
 
Something keeps changing my Windows time (new cmos battery)

Summary: my BIOS time was four hours off, I changed it to the correct time and now at various times my Windows time changes to four hours behind. No event of the time change in the event viewer.

This is a new motherboard and the BIOS time stays constant (read other posts saying a bad cmos battery can cause time to change). At first my Windows time kept losing about 3 minutes even after manually changing it and making sure the internet time is running. So I figured it was a problem with the BIOS time and changed it to the correct time (moved it up 3 hours 57 minutes - overlooked this when initially setting it up). Booted into Windows and the time was 4 hours behind. So I manually changed the time and thought nothing of it. Came back to the computer many hours later and the time was back to 4 hours off. Went to check the Windows internet time setting, which was set to run, and clicked update now. This set the time to the correct date/time, so the timezone settings, Windows time process, etc. are correct. Over the next few days the time kept moving back four hours after an extended period of time (and sometimes reboots - this was not consistent). I did the unregister/register w32tm and some other things with no luck.

The one odd thing about this is whenever I manually changed the time or the internet time changed it I always found an entry in the event log about the change. However whenever "whatever" is changing my time it is not logged, at least in the event viewer.

For now I "fixed" this by keeping the BIOS time four hours ahead. Yes this is a workaround but I would really like to find out what is changing the time. I ran sysinternals autoruns and there are a ton of things running at startup and is not going to be easy to check each one.

My guess is it must be some program/process running that checks the BIOS time against the Windows time but the timezone set in that program/process is not correct (must have been installed with incorrect BIOS time and related that to the Windows timezone.... just a thought).

Just wondering if anyone experienced this or has thoughts on what can be doing this or how to troubleshoot.

Thanks

Jay


My System SpecsSystem Spec
.
31 Aug 2013   #2
ThrashZone

Win-7-Pro64bit 7-H-Prem-64bit
 
 

You might check on this,
Changing the Motherboard might have made your windows Invalid,
Activate Windows 7 Online
Did you set your clock with Internet time ?
http://www.sevenforums.com/tutorials/944-time-zone-change.html
Found this possibly review it,
Win7 Re-Activation/Re-Validation with Hardware Changes?
My System SpecsSystem Spec
31 Aug 2013   #3
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

In addition to what Thrash Zone has said mate I have on occasions phoned Microsoft (don't get caught with that logmein croed it is usually a 6 dgit number starting 13 ####) explained that the original board has died and they have reset the activation for the new board - worth try if the other stuff doesn't work out and they are usually more than helpful.
My System SpecsSystem Spec
.

31 Aug 2013   #4
jaye24

Windows 7 64-bit
 
 

Thanks for the replies. I activated it right after replacing the motherboard with no problems.

I set the clock with internet time a number of times and it always sets it correctly, plus when it changes the time it always put a log message in the event viewer of the previous time and what it changed it to. For instance, I rebooted and the clock was set to 4 hours behind. I went into internet time to make sure it was set to run, which is was, then clicked update now. It changed the time to the current time, so that is working correctly (and therefore my timezone in Windows is set correctly).

Whatever is doing this appears to be going off the BIOS time with some configured offset based on the previous incorrect time and worse yet is not logging the time change to the event viewer.
My System SpecsSystem Spec
31 Aug 2013   #5
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Jaye stranger things happen at sea they say but how about setting the BIOS time four hours ahead of what you want? Sounds stupid but I have a Toshiba laptop that has a screen brightness that works in reverse no matter what I do to the settings . Look what have you got to lose apart from sanity???
If it doesn't work then what have you lost?? Did you say you changed the battery?? Have you any way of checking the volts on it? I just thought too are you using the 12 or 24 hour clock system?

Maybe even a sfc and chkdsk might help
My System SpecsSystem Spec
01 Sep 2013   #6
jaye24

Windows 7 64-bit
 
 

I did adjust my BIOS time to 4 hours ahead as a work-around but I would really like to find out what is changing the time. Anyone know of debugging tools that may be able to help with this? Some way to trigger an event when the time is changed (as mentioned whatever is doing this bypasses the event log)?

When I had the BIOS time set to the current time it stayed correct even when something would change the windows time. So the battery/motherboard clock is working fine.
My System SpecsSystem Spec
02 Sep 2013   #7
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Jaye you could try this mate it might give you some answers SF Diagnostic Tool - Using for Troubleshooting
My System SpecsSystem Spec
26 Apr 2014   #8
not4long

Windows 7
 
 
Time Resetting

Have you checked the time zone selected in the Windows 7 clock? It will automatically adjust the clock from GMT base to the time zone set in W7.
My System SpecsSystem Spec
Reply

 Something keeps changing my Windows time (new cmos battery)




Thread Tools Search this Thread
Search this Thread:

Advanced Search




Similar help and support threads
Thread Forum
Would I need to get a specific CMOS battery...
After a long time I was finally able to figure out the problem about My 9 years old Acer Aspire, turns our my CMOS battery is no longer in use. Now got a quick question for you , How much would it cost to purchase a new CMOS battery and does it have to be a specific CMOS battery or could it be...
Hardware & Devices
Replacing CMOS battery
How often should the CMOS battery be replaced in a laptop.Have a Toshiba Satellite Pro L300-1FK which was three years old last August and is working fine.I contacted Toshiba to ask what type of cmos battery was installed but they were unhelpful and refused to give me make and model of battery,just...
Hardware & Devices
Battery Meter shows CMOS battery not charging
I have just replaced my CMOS/BIOS battery today, as , I have faced some critical problem regarding regular BIOS date/time reset after system shutdown. But I want to know how do i recognize, that my new batter is totally ok or functional. Battery Meter gadget shows that "battery Not charging"...
Hardware & Devices
computer would not restart (bad CMOS battery?)
I walked away from my computer for a couple minutes. Came back and the displays were off, computer was still on. Held the power button to shut it off. Shut off everything (displays, surge protector, switch on PSU) for about ten sceonds. Turn the computer back on and the BIOS screen came up...
General Discussion
cmos battery replacement
Tried to replace my cmos battery with one i bought from Asda ( lithium cr2032 3v) Maybe i am doing something wrong ;but restarting the pc gave a beeping sound, so i replaced the original battery and the pc started ok except the date and time seemed to have reverted back to the date it was...
Hardware & Devices
Lost my CMOS battery
I've lost my CMOS battery for my sisters ASUS A8V-VM SE motherboard. Can i use any old clock battery or could someone tell me what type/ voltage etc. Thanks
Hardware & Devices


Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 14:50.

Twitter Facebook Google+



Windows 7 Forums

Seven Forums Android App Seven Forums IOS App