Question about HP Pavilion DV1049cl Notebook

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Time date is not maintained automaticaly properly

Is there any place with details about how to replace the CMOS battery on a HP Pavilion dv1049cl ?

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Update the keyboard battery controller Regularly check for updated versions of the system BIOS and keyboard battery controller. To determine if an update is available for your notebook PC, go to the Drivers and Downloads site . Enter the notebook model and the keywords Update BIOS . Follow the instructions presented for your specific notebook

Posted on Jul 03, 2009

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My HP Pavilion 515n pc will not restart without pressing the F2 key, why?


Message was "press F2 to continue". This happens when there are errors in the boot up process like:


CMOS settings incorrrect
Date/Time incorrect
Missing drive

First to replace should be the CMOS battery inside the computer.

Nov 25, 2012 | HP Pavilion 515n (DC471A#ABA) PC Desktop

1 Answer

When I start my Lenovo T 60 it show check date and time after that it show Key picture,thank


You get this message if your Laptop (CMOS/configuration) Date is really outdated and wrong: check and change your Laptop Configuration setting for Date and Time. Also check your Windows Date/Time.
If the date/time you enter is not maintained properly, especially after you switch off the laptop, then you have a bad backup CMOS battery that needs to be replaced.

Hope it helps.

May 15, 2011 | Lenovo Thinkpad T60 Notebook

1 Answer

Clock in computer will not maintain time and date


Yes it very probably is the CMOS battery, time is kept counting electric pulses, when the computer is turned on there is power and memory to do this, but when it is turned off it relays on the battery to keep this an some other settings, maybe you're receiving a warning at boot time. Check this guide for replacing such batteries:

http://www.computerhope.com/issues/ch000239.htm

May 13, 2010 | HP Pavilion a350n PC Desktop

3 Answers

Clock in computer will not maintain time and date


You need to replace the CMOS battery--a flat battery about the size of a quarter.
When you open the case, you will see it attached to the motherboard. Use caution when removing it from the holder--one side usually has a little tab that you can push to one side to release the battery.
You need a #2032 battery.

Mar 22, 2010 | HP Pavilion a350n PC Desktop

2 Answers

Will laptop work with dead cmos battery?


Yes, but each time you start the computer you have to enter the BIOS to set the proper time and date. This is essential for certain progra,s to run correctly, when the computer shuts off, everything will be reset once more.

Oct 08, 2009 | HP Pavilion dv1000 Notebook

1 Answer

Whenever i start up computer, the system clock & date revert to january 1st 2007 - HP pavilion slimline 6 months old


Replace the cmos battery on *********** board. Generally it last 2-3 years. Fault can happen anytime. So get it replaced and change time and date.

Dec 17, 2008 | HP Computers & Internet

1 Answer

Cmos battery?


Computer CMOS information CMOS is an on-board semiconductor chip powered by a CMOS battery inside IBM compatible computers that stores information such as the system time
How to replace the CMOS battery. Information about why time may be lost or decreasing rapidly and how to replace your computer cmos battery



Computer Battery Help The first type of battery is the backup battery, which is commonly referred to as the "CMOS battery".

Good Luck, Please dont for get to Vote/Thank You

Dec 19, 2007 | HP Pavilion N3390 Notebook

4 Answers

Date/time defauting to Dec 2000


Change the "battery" on the mother board. Sounds like it's weak and there's not enough voltage to maintain the BIOS memory.

Jul 14, 2007 | HP Pavilion a340n (DQ099AABA) PC Desktop

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