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How to open the computer case on my hp pavilion ms214 all-in-one to replace the cmos battery

I know you need to remove the hard drive and cdrom drive before removing the cover but I don't know where or how to start removing the cover

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There are a few videos on youtube about taking apart all in one computers if you watch them they are pretty much all the same if you look up the manufacturer such as HP you may see a different model but they all pretty much come apart the same way. hope that helps

Posted on May 17, 2017


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How can i reset the cmos in my ms200 all in one computer?? it shows that my hasrd drive is not working, and it is really working in other computer


To reset the CMOS the easiest way is, remove the motherboard battery for ten minute then install it again. It will clear the CMOS. Then reset the CMOS/BIOS setup, date/ time etc. Another way to clear CMOS is, reset the CMOS Jumper in motherboard.

To detect your hard drive you can try to check by change the hard drive cables. Change the port in motherboard. Check the BIOS setup and reset it if need.

Jul 06, 2011 | HP Pavilion AllinOne MS214 185" Desktop PC...

1 Answer

How to reset the CMOS (BIOS) on an hp pavilion a622n

Turn the computer off....
Open the left side panel.
Find the CMOS battery on the system board.
Take the battery out and short the 2 connections in the round battery casing for 10 seconds.
Reinstall the battery and power up the computer. CMOS/BIOS should be at the default settings afterwards.

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response

Thanks, Joe

Jun 20, 2011 | HP Pavilion a622n (PC108A) PC Desktop

2 Answers

After replacing on board lithium cell, computer will not boot up. Goes through BIOS ok but no further, even tried replacing hard disk and booting from removable media drives (after setting BIOS...

Did you swap the Cmos jumpers from 1-2 to 2-3 to clear Cmos before replacing battery and if so, did you return them to their original position (normal as opposed to clear cmos)? If the jumper is still in the clear Cmos position, the board will not boot.

Try changing the Cmos battery, it may appear to work but may not be suited to the board

Disconnect all drives except the hard drive, unplug usb and sound cables, if fitted, remove graphics card and either test with another one or use the onboard graphics.

Jan 11, 2011 | ASUS A7V333 Motherboard

1 Answer

My Hp Pavilion All in One Ms214 states operating system not found. Enter the bios and it isn't recognizing my hard drive. It states 0mb. It is a western digital caviar blue 320 gig.

Remove the hard drive from the laptop, and re-seat the hardware back in place. Turn the computer on and see if the hard drive will come to life, if this fails the hardware will need to be replaced.

Jan 08, 2011 | HP Pavilion AllinOne MS214 185" Desktop PC...

1 Answer

Hard drive crashed. have new hard drive but can not install because cd rom will not work.. any suggestions

disable the cdrom on the BIOS/CMOS. then use a USB cdrom drive after installing your hard drive.

Jul 01, 2010 | HP Pavilion dv6000z Notebook

1 Answer

My hp pavilion a1330n computer freezes on the HP

the dreaded Blue-Screen of death.
Usually caused by:- Ram Failure ( memory Modules )
CPU Failure ( Processor Failure )
Hard-Disk faulty, not spinning et,c.
Cmos battery fault.
Missing/deleted/corrupted operating System files.

Possible Solutions:- remove cmos battery, from Motherboard for 10 seconds and replace. ( eliminates cmos/bios errors )
remove 1 stick of Memory ( Ram ) and test individually ( eliminates 1 or More Faulty sticks Of memory Or Slots )
remove, CPU Fan/heatsink, remove CPU and re-seat, re-grease with Artic-Silver or similar ( thermal-Compound ) replace heatsink/Fan. test.

Hope this points you towards a Sucessful repair.

Mike @ Compurepair. No-Links No-Nonsense Just Good Practical Advise :-)

Nov 04, 2009 | HP Pavilion Media Center a1330n - AMD...

1 Answer

HP a1600n desktop will turn on but will not boot. Does not run thru BIOS, keys/mouse check. HDD spins up, CDROM goes thru check then just sits. Monitor doesn't kick in because doesn't get to video check....

you need to open up the case, and remove the CMOS battery ( a silver wafer-style battery about the size of a quarter) and leave it out for about 10 minutes. put the battery back in and close the case back up and DONT mess with ANYTHING ELSE. if the computer STILL wont boot, then your motherboard is bad, and will need to be replaced through the manufacturer of your PC.

Sep 24, 2009 | HP Pavilion a1600n (882780776265) PC...

2 Answers

Hp pavilion dv6633 won't start. Light up, then

Sorry to here about your DV6633 start up problems.
1st. It would be good to know any other problems you may have had in the past either related or non related to you current problems..
I take it you are running with a charged battery? and the unit has not been dropped lately.?
2nd. If you are receiving a charge light on the front left of cover, your battery is charging and your power supply is in working condition.
3rd. I would remove any media from the CD/DVD and disconnect battery and with incoming power from supply.
4th. Flip unit over and remove the large Black cover, where you will find the Memory and CMOS Battery.
5ft. Carefully remove memory setting them side from contact with other components.
6st. Disconnect CMOS Battery found at the top right of memory. This is the battery backup for memory, system time and date and other features. This with have a white connector which connects to the board.
7th. Flip unit over and open case cover, hold down the power button for at least 30 seconds.
release the power button and close case. Flip back over to bottom again.
8th. Reinstall the CMOS Battery Connector, memory, cover.
9th. and last of all the Smaller Black Cover just to the left is where your Hard Drive is located.
remove the two screws and cover, on the Top of the Hard Drive you should see a Plastic Pull Tab to remove the Hard Drive.
Remove the drive carefully it is frag-il. Re-seat the drive and re-install cover.
Turn the unit over, re-install the battery, plug it in an turn it on.
Pressing the F-10 key will enter the BIOS setting, here you can change the time and date.
Note if you have not been prompted to change Time and Date, you did not remove CMOS battery.
If the unit will run in the BIOS setup, your problem is more than likely software related.
You should have a Utility for checking Hard Drive which in most cases takes about 1-hour, unless you have a failed hard drive, this will show in most cases within the first five minutes because the boot sector is the first and last to be checked by the utility.

If all checks OK you may want to reload your firm and software to factory specs.
This can be done buy hitting the F-7 Key at the start up. ( That is, if you haven't deleted the recovery partition.)
Good luck, keep the unit off the carpet and Bed as it will not vent or cool properly.
John Ray

Jun 14, 2009 | HP Pavilion dv6000z Notebook

1 Answer

Computer losing time HP zd8000 Laptop

Just open the case, pop the battery out and go buy a replacment. It's not hard to remove/replace it and you should see it pretty easily.

Dec 09, 2008 | HP Pavilion zd8000 Notebook

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