Question about HP Compaq Evo n610c Notebook

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Advice for Finding a CMOS Battery

Would appreciate some help with this one. I have a Compaq N610c and the button cell is BR1255. Cant find this anywhere - can anyone help me cross reference or suggest where to purchase one from ? UK Based

Thanks and Regards


Nick

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Are there Radio Shacks in the UK? or try www.duracelldirect.com. I just saw it on Ebay for $2.49 and they ship overseas.
Cheers, hope it helps

Posted on Feb 21, 2009

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Where is the coms battery for compaq evo n610c located


hi,


If your in the need to replace your cmos backup battery on your Compaq Evo N610c, N610v, N620c Series Notebook help might be just around the corner and thru the usage of this guide familiarize you with what you will need to solve the error prompts flashing on the screen regarding corrupt cmos. At this point you have come to realize that the notebook is no longer booting your Operating System should that be Microsoft or Linux OS's.
The first thing you will need to be familiar with, is where the cmos backup battery is located on your notebook. You can start by turning over the notebook to the bottom side and adjacent to the Main Battery will be a small rectangular compartment held down by two screws (Mini PCI Compartment Cover).

db96_2.jpg These two Phillips head screws must be removed in order to expose the cmos battery that's held in place by a battery holder.

db99_2.jpgThe battery holder accomidates the BR1225 Lithium 3 volt battery, allowing the two potentials of the battery to maintain power to the cmos chip and therefore sustaining the clock/date settings as well as the boot sequence set by the end user. These non rechargeable lithium batteries provide operational function while the notebook is powered off.
After having identified the location of the cmos battery, and having removed the two screws that hold the black rectangular plastic cover, use a non magnetic/plastic tweezer or equivalent probe and pry out the BR1225 battery retained in the Battery Holder. If you don't have access to a Volt meter to determine the diagnosis of the battery, then assume that it requires replacement, where a replacement would be any brand of battery that suits the BR1225 specs: 3 volts approx 40maH 12mm diameter 2.5mm thickness no wires and no connector. HP refers to call the cmos battery by the name of RTC Disk Cell. To order from HP refer to HP Spare Parts Number 241439-001 (Miscellaneous Plastics Kit Component) Applicable to Compaq Evo Motherboards: 291581-001 (Evo N610c) and 319778-001 (Evo N620c)

d0e4_2.jpgNow, while replacements can be for just any electronic store near your home/business, pharmacies also carry these types of batteries, but if your choice is to buy them here on ebay, we recommend buying them from a seller who has other Evo Part integration and has proven themselves to be fully knowledgeable on HP/Compaq Evo Models, whereby most likely they will stock other parts you will need for your Evo such as Hard drives, LCD inverters, LCD display, optical drives, memory and maintenance care products. Below are two sellers and the ebay store links to their Cmos Disk Cells. We have no affliation with them, but as buyers we have purchased from both of them in the past with good success and can recommend them.



good luck



gorbesia

Aug 02, 2011 | HP Compaq Evo n610c Notebook

2 Answers

I cant remember my password so i need to reboot it and i dont know how


Remove cmos battery from main board 3 min will reset all pass words

Jan 18, 2011 | Compaq Evo N610C Notebook

1 Answer

WHERE IS THE CMOS BATTERY LOCATED?


The BIOS battery is under the RAM memory module on the bottom of the laptop.
The BIOS battery is CR1220 lithium disk cell battery.

Nov 12, 2010 | HP Compaq Evo n610c Notebook

2 Answers

I AM LOOKING FOR A LAPTOP BATTERY FOR MY COMPAQ EVO N610C A GOOD LOW PRICE.HI-CAPACITY LI-ION (4400MAH 8 CELLS) FOR COMPAQ EVO N610C


don't waste money on buying second or used.
buy original from near HP store or order online. check HP center near

Oct 12, 2010 | HP Compaq Evo n610c Notebook

1 Answer

Compaq evo n610c doesn't hold date and time.


Your CMOS battery is going out. Replace it before you lose the rest of your cmos settings.

Aug 07, 2010 | Compaq Evo N610C Notebook

1 Answer

Compaq Evo N610c bootup password protected. Its my friends computer I told him i can get the password off. its about 2 years since he used it. (its not stolen) we tried for 5 hours on and off to remember...


Remove the main battery, then the CMOS battery(coin cell under the keyboard IIRC). Unplug the laptop and leave it for 15-20 minutes. This should clear the password out OK.

Oct 02, 2009 | Compaq Evo N610C Notebook

2 Answers

Power-on password to reset


just remove CMOS battery and it will reset all bios settings to factory defaults

Nov 30, 2008 | Compaq Evo N610C Notebook

1 Answer

Battery installer


My compaq evo n610c have the following problem: "103 circuit charge failure" and use power AC only.

best regards

Sep 19, 2008 | Compaq Evo N610C Notebook

1 Answer

No power


You sound like you have either a dead power supply inside or a dead motherboard. Best thing is to open it up and test each. replace the culprit.

Feb 18, 2008 | Compaq Evo N610C Notebook

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