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System Time/Date in BIOS setup not functional

With a new motherboard and fresh windows installation, the time-date display on screen during BIOS setup is frozen and cannot be changed; disconnecting the power supply and replacing the battery does not solve this problem. Any other suggestion?

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  • Anonymous Apr 03, 2008

    Resetting the BIOS with jumper settings (the pin 1 and pin 2 routine) does not solve the problem.

  • Anonymous Mar 21, 2014

    Bought 6 Lenovo M73 Model 10B6, first shipments of a new Intel motherboard for Lenovo. Of three of these machines put in service so far, all three have failed BIOS updates, leaving me with machines that won't boot and don't even display the opening Lenovo logo boot screen. Not sure about the first one, but the last two failed to install a Lenovo-supplied BIOS update.

    That's 3 out of 3, all identical, and all dead. Using the jumper to reset the BIOS to defaults does not work, and I can't get into the BIOS setup screens. No beep codes. Have power, can hear drive spin up. Moved one drive to another machine and it started up without problems. I like Lenovo's and previously had good luck with them.

    Can you confirm that there is a wider BIOS update problem with this new model? I've been a tech for 30 years, and I've never seen anything like this.

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Reset your bios with jumper settings.

Posted on Apr 03, 2008

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4 Answers

How do I fix my PC bios problem: After shutting down the PC, the time & date of the PC is wrong , what can I do?


Replace the battery on your motherboard.
I used to have that issue. Replacing the battery should fix that.

Apr 14, 2015 | PC Desktops

1 Answer

Change the time on laptop


You can change the time by entering the bios screen.
Del key or F2 key held while the machine boots up.
Laptop may have a Fn or Function key that you would select to enter the bios.
Usually the time is on the first screen but can vary depending on the bios software. If your running a windows operating system you can Right click on the date/time in the menu bar and select adjust date/time from the selection window.
If you set this and the PC continues to loose time.
The Cmos battery may need to be replaced.
Good luck , hope this helps.

Mar 28, 2014 | PC Desktops

1 Answer

Er-290 change date


Get into the Bios or System Setup. When you power on the computer watch the screen and it will tell you which key to press to get into the Bios or System Setup.

You can also adjust the date and time by Right Clicking on the time at the bottom right corner of the screen and select Adjust Date/Time.

May 04, 2012 | PC Desktops

1 Answer

Bad check sum cmos


This error is not the same as a CMOS Checksum Error, which refers to corrupted values of the CMOS settings, the ones you set through the BIOS setup program. This error means the contents of the BIOS code itself are damaged.

The BIOS ROM chip on the motherboard is probably faulty. It could also be another component on the motherboard.

You should make sure that all of the BIOS settings in the system are correct, by rebooting the system, going into BIOS setup and double-checking all the values (hopefully against a recent


If you have reset the CMOS memory you need to go into the BIOS setup screen and reconfigure the BIOS. To do that you need to press a key while the computer is booting. Usually F2 but can be other keys. It should tell you on the bottom of the first screen which key to press to enter BIOS setup.
If you don't know the settings the should be one for optimal defaults - use that one. You will also need to reset the time and date.
Save, Exit and re-boot and everything should then work.

This error is not the same as a CMOS Checksum Error, which refers to corrupted values of the CMOS settings, the ones you set through the BIOS setup program. This error means the contents of the BIOS code itself are damaged.


During the boot process you will see on the screen a certain key to press to enter setup
Press and hold that key during the boot up process to enter BIOS you can load failsafe defaults or load optimized defaults ,press escape then press f10 to save to cmos to restart
You will also need to set the time and date

In the main or system setup screen you should be able to see the date and time Using your arrow keys navigate to the date and change the date. Once highlighted on the month, day, or year, press your arrow keys or your page up / page down keys to change the date.
hope this helps you

Nov 18, 2011 | Toshiba Equium 2000 (PV1065E0-011FR) PC...

1 Answer

Foxconn n1996 chip needs replacing as had power cut as updating bios


Reboot the computer.
If error still occurs after rebooting the computer enter CMOS setup and check all values, this includes verifying the time and date are correct.

During the boot process you will see on the screen a certain key to press to enter setup
Press and hold that key during the boot up process to enter BIOS you can load failsafe defaults or load optimized defaults ,press escape then press f10 to save to cmos to restart
You will also need to set the time and date

In the main or system setup screen you should be able to see the date and time Using your arrow keys navigate to the date and change the date. Once highlighted on the month, day, or year, press your arrow keys or your page up / page down keys to change the date.

Once everything has been verified and changed make sure you save and exit CMOS setup.

If everything appears to be correct and the issue persists try resetting the CMOS values to the defaults or Reset Configuration Data.


If this issue continues to occur after you turn off your computer off it is possible that the CMOS battery may be failing or already bad. Before considering replacing the CMOS battery try leaving your computer on for several days.

If a BIOS update has been run on the computer the values stored in CMOS may have been reset. Enter CMOS setup re-enter all values and then save and exit CMOS setup.


If you're unable to enter the CMOS setup or after running a BIOS update your computer no longer keeps its values the incorrect BIOS update may have been installed for your computer or the version downloaded may be corrupt. We suggest trying to update the BIOS again or reverting back to an earlier version.

Hope it helps


Nov 09, 2011 | Dell Studio Xps 9100 Desktop Computer

1 Answer

How do i reset my computer to an earlier date?


Most computers have a RTC or "real time clock" in the BIOS. BIOS (or "Basic Input Output System") controls how data gets into and out from the processor (via keyboard, disk, etc.). Be careful making changes. The BIOS is normally only accessable when the computer is powered on or reset, and then only while performing the POST (or "Power On Self Test"). At this time your screen may display text describing memory, drives, controllers, etc. Some machine have a "silent boot" enabled which displays a manufacturer's graphic or logo instead of this data. It is during this time the the BIOS may be accessed. Depending on the manufacturer of your computer, a key (Delete, Escape, F1 or some other) or key combination (ALT + F1, ALT + S, or some other) will be needed. It is required to press the key or key combination prior to the Operating System loading message(s). This can be done be repeatedly pressing the key (or key combination) once every second (or two) during the POST. Holding the key(s) down the entire time - or pressing them too often will result in an error, and require starting over again.

Once the BIOS screen is presented, you will have to scroll the entire page(s) to find the clock. Most BIOS brands have more than just a single page of settings. Using the the up, down, left, right, PgUp, PgDn & Enter keys - navigate to the clock hours and minutes and adjust as needed. Make sure that you SAVE changes before exiting the BIOS screen. Upon exit, the computer will reboot with your settings.

Your Operating System may also provide a way for you to change the system time (and date) as well. Try clicking on the time / date to see if it will bring up a dialog box that allows you to make the change.

I hope this helps and good luck! If my answer was helpful, please rate it "4 thumbs up" Thanks!

Jul 27, 2011 | PC Desktops

1 Answer

I have an 5 year old computer with an ASUS P5P8500 motherboard, i have been getting start up errors everytime i turn on the computer. I get the following erros: CMOS Setting Wrong CMOS Date/Time Not...


Did you set the correct time while you where in the bios?
You may also have a virus infection that is messing with your system time/date settings to prevent your security programs from updating.
IF you cant start even in safe mode, you may need to try a live linux distro to scan your computer.
There are special live distros that are just for this very occasion.
Try this site for info and downloads http://njlinux.blogspot.com/2008/01/virus-scan-windows-using-linux-live-cd.html

Sep 16, 2010 | PC Desktops

1 Answer

Motherboard Dater


Hello. To get date and version:

The only BIOS upgrade I find listed for that model (T160 Aspire) on Acer Website for the Aspire T160 Desktop is:

Acer BIOS R02-B1 868.5 KB 2008/12/09.

If you received your computer before that date and you have not added a new BIOS flash to your PC since that time, you can be sure you do not have it. http://gd.panam.acer.com/home/ Search their site by your full Serial Number if possible, and then model number to be most certain.

Other options:
When first turning computer on, at first signs of any text on your screen before it actually boots up you may hit the "Pause - Break" button on the keyboard and try to get the on-screen messages to stop so you can read it and write it down.

This text on the screen should include/tell you what date and version your motherboard BIOS/Firmware model is. You can usually pause that with a few tries, and/or just hit CTRL+ALT+DEL right then (after pause and before Windows or Unix starts) to try again.

If that does not work hit the correct key to enter BIOS Setup (access long before Windows boots) and read all information about your system there in the BIOS screens (usually always has BIOS version date listed in there).


NOTE: Adding a new BIOS flash always calls for caution as if it fails or goes wrong for any reason mid-install you may not get the computer to work again.

Oct 29, 2009 | Acer PC Desktops

3 Answers

BIOS setup won't allow me to set the system time and date for Asus m2n-sli deluxe motherboard.


dear friend
u try system date with windows time and date and then trun off yr pc and put off yr power cable for 10 20 sec then plug on power then try if system date still not work then changer for Mother boad BETTRY it's 2032 number bettry try this one

thanks for using fixya
jo_chinmay

Apr 03, 2008 | PC Desktops

2 Answers

I Could not logon to the system


If the 2 beeps were together, then it is a check sum or memory problem. When it boots enter the bios setup(F2) and check the system time and date (located in 'Standard cmos Settings') to see if it is correct, as this is a good indicator of a flat cmos battery (large type watch battery.) If time and date is incorrect replace battery, if ok turn off pc and try re-setting the bios by putting the jumper on the 'JBAT1' terminal on the motherboard on pins 1-2 ont pins 2-3 then back onto 1-2; then boot pc back up and go back into the bios, set the date and time in 'Standard Cmos Settings' and then look on main bios menu for 'LOAD BIOS DEFAULTS' or similair If non of above works, maybe you have upgraded the memory, remove it and try again with original memory stick. Hope this is of some help

Oct 17, 2006 | Dell OptiPlex GX260 PC Desktop

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