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How to change the cmos battery in hcl p21 notebook laptop

My lap will not turn on

Posted by Anonymous on

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6ya6ya
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Posted on Jan 02, 2017

  • 121 Answers

SOURCE: how i change the CMOS battery of acer aspire 4530?

OK IT IS SOLDERED TO THE MOTHERBOARD you will have to take off the whole back cover not an easy task but not that hard be very carefull and remember where the screws came from they are not usually all the same size and there is a ribbon cable that goes to the lcd dont pinch bend or pull it at all remove the hard drive before you begin and take out the battery and leave it unplugged for about 2 hours

Posted on Dec 07, 2009

  • 1 Answer

SOURCE: how can i reset CMOS/BIOS password for HP compaq tc4400 laptop

how can i reset CMOS/BIOS password for HP compaq tc4400 laptop i have hp 500 notebook and i forget cmos/bios password . i remove cmos battery . but dont solve it . how can i solve it

Posted on Apr 16, 2010

stranger_ab
  • 133 Answers

SOURCE: bios password for HP compaq tc4400 laptop

Don't try anything. Simply contact the HP tech. support team. They will help u come out of the trouble.

Posted on Apr 16, 2010

SOURCE: where i found cmos battery

you can find the CMOS battery inside of your motherboard . You may ask a technician to tear down the unit for you...

Posted on Feb 27, 2011

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unplug the cmos battery from your lap and start the system but before that u have to also eject the laptop battery and power cable and start your lap without lap battery and cmos battery

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My keyboard pops off on my hp to get to my motherboard. Try that.

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Hello sir i didn't get sound in my laptop hcl notebook p21 pdc. how can i instal the driver pls give me a solution


Here's the download portal for HCL. http://www.hclsupportservice.in/drvr-dwnld.jsp?pF=Tm90ZWJvb2s=&pC=TGVhcHRvcA==
Select your product model and click Go. You will be presented with a list of drivers. Select the audio driver.
I think this might be the one you want: http://www.hclsupportservice.in/Drivers/Family/Notebook/Category/Leaptop/EzeebeeAbacus/Audio_V8235.rar
I do not own this device, so I have not tested it.
Good luck, I hope that works.

Mar 01, 2011 | Intel Computers & Internet

1 Answer

Where i found cmos battery in hcl notebook p 21 pdc


you can find the CMOS battery inside of your motherboard . You may ask a technician to tear down the unit for you...

Feb 27, 2011 | Computers & Internet

1 Answer

I have hcl notebook p21. Notebook showing simos battery low please give me suggetion what i will do


All AT computers require a small battery on the system board that provides power to the Complementary Metal Oxide Semiconductor (CMOS) chip, even while the computer is turned off. This chip contains information about the system configuration (e.g., hard disk type, floppy drive types, date and time,bios password and the order in which the computer will look for bootable disks). The CMOS battery allows the CMOS to preserve these settings.

if it becomes low then you can replace this with new one.its very cheap.
you can also replace it yourself.

Feb 02, 2011 | Intel D850MV Motherboard

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D850MV Motherboard: Hi, I have HCL P21 PDC Laptop and it has been l...


just remove the battery place inside not your normal battery its fitted in your motherboard remove battery for 10 mins place it again .....wow cmos is rset and no passowrds or jutdownload hiren boot cd

May 17, 2010 | Intel D850MV Motherboard

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How do I change the cmos battery on an IBM r51 laptop


If you turn over the lap top there is two places you can unscrew one is memory, the other is th battery, un screw it and remove battery very careffully also note the way you removed them as you will need to put the new one in the same way.
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Apr 11, 2010 | IBM ThinkPad R51 Notebook

1 Answer

CMOS password and Laptop is locked


Power off computer - remove and then reinstall (or replace) cmos battery. This should reset cmos password.

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