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CMOS battery on Compaq Presario v2000

Where can I find the CMOS battery? Is it hard to remove?

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Desktop PCs use a battery to keep time when the they are off, much like a watch. Like a watch, the battery needs to be replaced when it runs low on power. Replace the battery using the steps below.

  1. Unplug all cables except for the power. Write down each cable location if you do not already know where it connects.
  2. Unplug the power cable and with the power cable removed press the Power button on the front of the PC.
  3. Remove the screws on the rear of the PC.
  4. Slide the side panel off from the rear of the PC.
  5. Locate the battery. It is a small shiny round metal wafer (like a larger version of a watch battery).
  6. Remember which direction the battery is installed. Usually the engraved side, the positive side, is face up. Remove the battery from the main board.
  7. Acquire the battery and replace it in the same socket it was removed from. Make sure the new battery is installed in exactly the same orientation as the previous battery. (Warning: There is danger of explosion if the battery is not correctly replaced. Replace only the same or equivalent type of battery.
  8. Replace a side panel by matching the side panel tabs with the tab openings in the case.
  9. Connect all cables and turn on the PC to set the time.
  10. Hope this helps. Would appreciate if you rate it. Thanks.CMOS battery on Compaq Presario v2000 - 2b4f1b5.jpg895f1d9.jpg

Posted on Dec 04, 2008

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Its actually not as easy as this guy is saying, being that i myself have opened mine twice already and took the battery out. Are you having problems with the 2 beeps and says press F1 to continue and F10 as well?

Anyway, i am almost certain that is its the cmos battery being that when i took it out for a little bit and put it back in, it actually stayed on the boot up option longer.

Step 1 - Remove the memory modules (RAM cards) first, simply to avoid damage, then open up the Wi Fi card below it. you can either completely take it out by unplugging the two small wires attached, but i would suggest leaving them on during this delicate process and just taking the cord out of where it is wrapped around where the ram cards were. Just for the fact of confusion of not knowing later on what cord goes where.

Step 2 - remove the screws from your hard drive, then simply grab from the bottom (the opposite of where the arrows are) and lift up. Now place this aside and and remove your battery if still attached.

Step 3 - Remove all the screws on the bottom of your laptop, then where you have your DVD rom just pull it out with ease. this way all your main components besides your motherboard are all safe and one less thing to think about.

Step 4 - this part is a little tricky but not hard, first you will have to open the laptop so the screen is facing you, then, where the two hinges that hold the laptop together you have to feel for an opening there on both sides and pull up (where it has your startup button above the keyboard) dont worry you wont break it just dont be too forceful apply force gradually. Once you have this piece off you will see 4 screws connecting the keyboard to the base, remove these screws and keep your keyboard in place and gently close.

Step 5 - now flip over your laptop back to the bottom, now the easy part, all you need its something like a paper clip or a flathead screwdiver. Where you place your battery you will see 4 small little rectangular openings near the top of the plastic, this is what is holding the laptop together. so gradually between the silver and black part slowing unclip one by one and make sure you get all for clips, then start rustling off the rest of the shell and viola everything is now exposed.

Step 6 - you will find the small lithium battery thats 3v you cant miss it. but i would really advise taking it to the pros to fit size your battery just make sure you bring the necessary information for this battery, or just bring the battery itself. you cant just go to walmart and get a 3v lithium battery, believe me i tried and they are not the same size.

I hope this tutorial better helps you understand how to open this laptop with ease instead of having questions that were not answered in previous tutorial.

Posted on Aug 15, 2012


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SOURCE: How can i change the CMOS battery of my Laptop Compaq Presario V2000?

Here is the location of the appropriate Service Manual - you will have to partially disassemble your computer to reach the battery and replace it.

Posted on Sep 21, 2012

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How to reset bios on compaq v2000 laptop

Remove A Cmos Battery From A Compaq V2000 Laptop

The Complementary Metal-Oxide Semiconductor (CMOS) in a computer is responsible for storing hardware settings and time on your computer. The CMOS is powered by a small battery and is able to store information whether your computer is turned on or off. While the standard CMOS battery lasts for up to ten years, you may need to replace your CMOS sooner than that. If you password your BIOS and forget the password or need to reset your configuration back to the default, you can remove the CMOS and re-insert or replace it.

1. Unplug the computer from the wall outlet and unplug the AC adapter from the computer.

2. Turn your Compaq Presario V2000 face down and slide the battery release latch to the left to disengage the battery from its position. Remove the battery.

3. Unscrew the screws over the hard drive cover, which is located in the lower right corner of the laptop if your laptop is placed with the battery away from you. Lift the hard drive tab, located on the left side of the hard drive, and slide the hard drive to the left to remove it from the computer.

4. Unscrew the single screw located directly under the optical CD/DVD drive. Insert a very thin item, such as a paper clip or pin, into the hole located on the optical drive to open it. Slide your optical drive out of its tray to remove it.

5. Remove the two screws located on the switch cover, which is directly under the battery. Turn the computer right-side up and open it as wide as it will go. Use a flat tipped screwdriver to lift up the switch cover that is directly above the "F1," "F5," "F11" and "Insert" keys.

6. Unscrew the four screws that hold the keyboard in place. These screws are are located in the upper right corner of the computer under the switch cover that you just removed. Lift the keyboard up and slide it forward until it rests on the palm rest. Unplug the zif connector, which is located directly above the palm rest, to disconnect the keyboard. Lift the keyboard up and out of the laptop.

7. Turn the computer upside down again and remove the memory modules by unscrewing the two screws over the memory compartment located directly below the battery slot. Unclip the two clips located on each side of the memory module to release it from its slot and slide it out of the computer.

8. Unscrew the two screws on the PCI cover directly beneath the memory module. Disconnect the two wireless antennas above the card. Spread the two clips securing the mini PCI card into place and lift the card up and out at a 45-degree angle away from you.

9. Flip the laptop back up on its right side and disconnect the display cable located in the upper left corner above the keyboard area underneath the switch cover you removed earlier. Then remove the two pieces of tape in the upper right corner that hold the wireless antenna in place. Remove the two clips located beneath the tape pieces. Unscrew the two screws on the upper left corner and the two in the upper right corner that hold the display into place. Remove the display assembly.

10. Turn the computer back upside down and remove the remaining 19 screws. Lift the base enclosure straight up out of its place.

11. Locate the CMOS battery, a small circular object, and lift it up out of its place. Leave it out for five minutes and reinsert it to reset your settings. Re-assemble the computer without the battery and plug it into the wall.
Remove Cmos Battery From Compaq V2000 Laptop

Jul 02, 2014 | HP Compaq Presario V2000 Notebook

1 Answer

How do I remove/replace the hp compaq presario cq60-615DX internal battery. Not the CMOS one; the other large one at the back. There is no slider/lever. thanks

In order to remove the battery pack you should slide the Lock key to the Unlock position and keep it there until you have removed the battery. In the following video (at 00:08) you can see how to do it and replace the CMOS battery also. Hope that helps. How to replace the CMOS Battery in the Compaq Presario CQ60 Laptop

Here is the manual you can read more and see how to on page 46.

Feb 18, 2014 | HP Compaq Presario V2000 Notebook

1 Answer

Which cmos battery does my presario v2000

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Mar 26, 2013 | HP Compaq Presario V2000 Notebook

1 Answer

How can i change the CMOS battery of my Laptop Compaq Presario V2000?

Here is the location of the appropriate Service Manual - you will have to partially disassemble your computer to reach the battery and replace it.

Sep 19, 2012 | HP Compaq Presario 2200 Notebook

1 Answer

Need CMOS battery in my Compaq V2000. Where is it located?

The CMOS battery is located on the motherboard, just behind the speaker/headphone jacks.

You will have to remove the cover (and be careful in the process) to access this area.

With the red arrow, I've indicated on the photo the location of the CMOS battery.


I would highly recommend that you document your procedures and take lots of digital photographs to help you rebuild the device after you replace the battery.

Since you will not find a manual to do this process, you will have to create your own.

Good luck
God Bless


Jun 19, 2009 | HP Compaq Presario V2000 Notebook

1 Answer

Change battery

which batt the main slide it out on bottom or the side should be a small slide to release it

cmos you have to look under all the panals even keyboard and heat plate under it to see if it is visible if not you have to take most laptops completely apart to get to the bottom of the mobo where they usually put it

Oct 24, 2008 | HP Compaq Presario V2000 Notebook

1 Answer

Frogot password

It would help if you will clear the BIOS or the CMOS of the laptop. It can be cleared by pulling out the cmos battery of the laptop for a long period of time or by locating the jumper/dipswitch on the motherboard that would clear the BIOS. You may go to these links on ways on how to clear an unknown BIOS password.

May 07, 2008 | HP Compaq Presario V2000 Notebook

1 Answer

Compact Presario v2000 the screen is blank

Remove the power cord. Remove the battery. Hold in the power button for up to 60 seconds to discharge the laptop. Try booting it.


Apr 27, 2008 | HP Compaq Presario V2000 Notebook

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