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I would like to locate motherboard cmos jumper and cmos battery? please

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The CMOS battery is the 1 inch stainless battery in the motherboard. removing it and then returning it back resets already the CMOS settings.

Posted on Mar 28, 2011

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Clearing cmos password or cmos clear jumpoer location.... where can i find?


This information is intended for experienced users. It is not intended for basic users, hackers, or computer thieves. Please do not try any of following procedures if you are not familiar with computer hardware. I'll not be responsible for the use or misuse of this information, including personal injury, loss of data or hardware damage. So use it at your own risk.

A. By Using Software:
I have found that using Dogber1's Dell Password generator is a great solution to this problem. It is free and takes approximately 10 seconds to download from his site.

B. By Using the Motherboard Jumper:
In most motherboards CMOS battery is soldered, which makes it difficult to remove the battery. In this case we use another method.
Almost all motherboards contain a jumper that can clear all CMOS settings along with the BIOS password. The location of this jumper varies depending upon the motherboard brand. You should read your motherboard manual to check its location. If you don't have the manual then look for the jumpers near the CMOS battery. Most of the manufacturer label the jumper as CLR, CLEAR, CLEAR CMOS, etc.
When you find the jumper, look carefully. There will be 3 pins and the jumper will be joining the center pin to either left or right pin. What you need to do, is remove the jumper and join the center pin to the opposite pin. e.g. if the jumper joins center pin to left pin, then remove it and join center pin to right pin. Now wait for a few seconds and then again remove the jumper and join the center pin to left pin.
Make sure to turn the PC off before opening the cabinet and resetting the jumper.

Good luck

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Mar 29, 2011 | Dell Inspiron 1300 Notebook

Tip

How to clear an unknown BIOS password.


<span><span>Clear using jumper (recommended)</span><br /> <p><b>Precaution:</b> When inside the computer please be sure you're aware of the potential damage that can be caused by <a href="http://www.computerhope.com/esd.htm">ESD</a>.<br /> <p><img src="jumper.jpg" />On the computer <a href="http://www.computerhope.com/help/mb.htm">motherboard</a> locate the BIOS clear / password <a href="http://www.computerhope.com/help/jumpers.htm">jumper or dipswitch</a> and change its position. This jumper is often labeled CLEAR, CLEAR CMOS, JCMOS1, CLR, CLRPWD, PASSWD, PASSWORD, PSWD or PWD as shown in the picture to the right. To change the jumper simply remove it from the two pins its currently on so that it covers the pin that is not covered. For example, in the picture to the right pins 1 and 2 are covered, you'd remove the jumper and put it on pins 2 and 3.<br /> <p>Once this jumper has been changed, turn on the computer and the password should be cleared. Once cleared, turn the computer off and return the jumper or dipswitch to its original position.<br /> <p>The location of the jumpers or dipswitches are dependent on the manufacturer of the computer and motherboard. However, below are some general ideas on where to find it. Remember that most motherboards could have dozens of different jumpers, make sure you're changing the CMOS jumper and not something else. If these general suggestions do not help refer to your motherboard / computer documentation or skip to the next step.<br /> <ol> <li><b>On the edge of the motherboard</b> - Most jumpers are located on the side of the motherboard for easy accessibility, verify by looking at all visible edges of the motherboard.</li> <li><b>By the CMOS battery</b> - Some manufactures will place the jumper to clear the CMOS / BIOS password by the actual <a href="http://www.computerhope.com/jargon/c/cmos.htm">CMOS</a> battery.</li> <li><b>By the processor</b> - Some manufactures will place the jumpers by the processor of the computer.</li> <li><b>Under the keyboard or bottom of laptop</b> - If you are working on a <a href="http://www.computerhope.com/jargon/l/laptop.htm">laptop computer</a> the location of the dipswitch (almost never a jumper) can be under the keyboard or on the bottom of the laptop in a compartment such as the memory compartment.</li> <li><b>Other visible location</b> - While it is possible that the jumpers / dipswitches may not be in a visible location, most manufactures try to make things easier by placing the jumpers / dipswitches in another visible location.</li></ol><span>Remove CMOS battery</span><br /> <p><img src="cmos.gif" />Removing the CMOS battery like the one shown in the picture to the right will cause the system to loose all CMOS settings including the password. To do this locate and remove the <a href="http://www.computerhope.com/help/cmos.htm">CMOS battery</a> on the<a href="http://www.computerhope.com/help/mb.htm">motherboard</a> for at least five-minutes. After this has been done put the battery back into the computer and turn it back on.<br /><span>Jump the CMOS solder beads</span><br /> <p>Older computers and especially older laptops don't have jumpers or dipswitches and require the user to jump a pair of solder beads on a circuit board. The identification and location of these solder beads can vary and if not available in computer documentation is only obtainable through the computer manufacturer.<br /> <p>If you've identified the solder beads they can be jumped by placing a flat-head screwdriver over the two beads and leaving it on those beads while turning on the computer. Once the computer has booted turn off the computer and then remove the screwdriver.<br /></span>

on Jan 04, 2011 | Computers & Internet

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My leptop ibm thinkpad A22P is lock with bios password not opned my leptop


Answer: If you encounter a password prompt at boot or the BIOS / CMOS setup is locked as shown below and you do not know the password you will need to clear the BIOS password using the suggestions listed below.

cmospass.jpg Generic BIOS / CMOS passwords

Try using generic CMOS passwords. A complete listing of these passwords can be found on document CH000451.
Use a BIOS password utility

There are utilities designed to help bypass CMOS passwords. An example of a great utility to decrypt / bypass BIOS passwords is the PC BIOS Security and Maintenance toolkit, which is available by clicking here.
Clear using jumper (recommended)

Precaution: When inside the computer please be sure you're aware of the potential damage that can be caused by ESD.

jumper.jpgOn the computer motherboard locate the BIOS clear / password jumper or dipswitch and change its position. This jumper is often labeled CLEAR, CLEAR CMOS, JCMOS1, CLR, CLRPWD, PASSWD, PASSWORD, PSWD or PWD as shown in the picture to the right. To change the jumper simply remove it from the two pins its currently on so that it covers the pin that is not covered. For example, in the picture to the right pins 1 and 2 are covered, you'd remove the jumper and put it on pins 2 and 3.

Once this jumper has been changed, turn on the computer and the password should be cleared. Once cleared, turn the computer off and return the jumper or dipswitch to its original position.

The location of the jumpers or dipswitches are dependent on the manufacturer of the computer and motherboard. However, below are some general ideas on where to find it. Remember that most motherboards could have dozens of different jumpers, make sure you're changing the CMOS jumper and not something else. If these general suggestions do not help refer to your motherboard / computer documentation or skip to the next step.

  1. On the edge of the motherboard - Most jumpers are located on the side of the motherboard for easy accessibility, verify by looking at all visible edges of the motherboard.
  2. By the CMOS battery - Some manufactures will place the jumper to clear the CMOS / BIOS password by the actual CMOS battery.
  3. By the processor - Some manufactures will place the jumpers by the processor of the computer.
  4. Under the keyboard or bottom of laptop - If you are working on a laptop computer the location of the dipswitch (almost never a jumper) can be under the keyboard or on the bottom of the laptop in a compartment such as the memory compartment.
  5. Other visible location - While it is possible that the jumpers / dipswitches may not be in a visible location, most manufactures try to make things easier by placing the jumpers / dipswitches in another visible location.
Remove CMOS battery

cmos.gifRemoving the CMOS battery like the one shown in the picture to the right will cause the system to loose all CMOS settings including the password. To do this locate and remove the CMOS battery on the motherboard for at least five-minutes. After this has been done put the battery back into the computer and turn it back on.
Jump the CMOS solder beads

Older computers and especially older laptops don't have jumpers or dipswitches and require the user to jump a pair of solder beads on a circuit board. The identification and location of these solder beads can vary and if not available in computer documentation is only obtainable through the computer manufacturer.

If you've identified the solder beads they can be jumped by placing a flat-head screwdriver over the two beads and leaving it on those beads while turning on the computer. Once the computer has booted turn off the computer and then remove the screwdriver.

PLEASE ACCEPTT

Nov 17, 2010 | IBM (08K3261) for ThinkPad A20P, A20M,...

2 Answers

BIOS PASS WORD LOST


To remove the bios password you need to clear the CMOS.
Open your laptop casing look at your motherboard. locate the CMOS jamper it is near the battery. To clear remove the jamper and turn your computer on with in 5 to 10 seconds and turn it off. Reinsert the jamper back to there proper place and try to turn go to BIOS if there will be a password box appear.

You need to open your laptop and look at the motherboard and locate the CMOS battery. Just remove it with in 5 minutes to clear BIOS password.

Jun 26, 2010 | Dell Keyboard for Inspiron 1420, 1520,...

2 Answers

A password bois in thinkpad t60 et merci


This information is intended for experienced users. It is not intended for basic users, hackers, or computer thieves. Please do not try any of following procedures if you are not familiar with computer hardware. I'll not be responsible for the use or misuse of this information, including personal injury, loss of data or hardware damage. So use it at your own risk.
A. By Using the Motherboard Jumper:
In most motherboards CMOS battery is soldered, which makes it difficult to remove the battery. In this case we use another method.
Almost all motherboards contain a jumper that can clear all CMOS settings along with the BIOS password. The location of this jumper varies depending upon the motherboard brand. You should read your motherboard manual to check its location. If you don't have the manual then look for the jumpers near the CMOS battery. Most of the manufacturer label the jumper as CLR, CLEAR, CLEAR CMOS, etc.
When you find the jumper, look carefully. There will be 3 pins and the jumper will be joining the center pin to either left or right pin. What you need to do, is remove the jumper and join the center pin to the opposite pin. e.g. if the jumper joins center pin to left pin, then remove it and join center pin to right pin. Now wait for a few seconds and then again remove the jumper and join the center pin to left pin.
Make sure to turn the PC off before opening the cabinet and resetting the jumper.

B. By Using Software:

I have found that BIOS/CMOS Password Recovery Tool is the most effective.:
BIOS/CMOS Password Recovery Tool is a program that works instantly to remove any lost or forgotten BIOS/CMOS password. Simply boot your PC to DOS and execute the program, and get access to forgotten BIOS/CMOS passwords in just seconds
BIOS/CMOS Password Recovery Tool Service: http://www.biospasswordrecovery.com/

Apr 24, 2010 | IBM Lenovo ThinkPad T60 ThinkPad T60P...

2 Answers

Hp pavilion n3410 need bios password or help taking apart to remove battery for cmos


You need to open your laptop and look at the motherboard and locate the CMOS battery. Just remove it with in 5 minutes to clear BIOS password. 353cb0c.jpg

Apr 01, 2010 | HP Pavilion N3410 Notebook

3 Answers

Please help me reset my bios password on acer travelmate 2410


First you need to remove the laptop battery at the back side. Find some screw there and remove it locate the CMOS battery and jamper.

The BIOS password is stored in CMOS memory that is maintained while the PC is powered off by a small battery, which is attached to the motherboard. If you remove this battery, all CMOS information (including the BIOS password) will be lost. You will need to re-enter the correct CMOS setup information to use the machine. The machines owner or user will most likely be alarmed when it is discovered that the BIOS password has been deleted.

On some motherboards, the battery is soldered to the motherboard, making it difficult to remove. If this is the case, you have another alternative. Somewhere on the motherboard you should find a jumper that will clear the BIOS password. If you have the motherboard documentation, you will know where that jumper is.

If not, the jumper may be labeled on the motherboard. If you are not fortunate enough for either of these to be the case, you may be able to guess which jumper is the correct jumper. This jumper is usually standing alone near the battery. If you cannot locate this jumper, you might short both of the points where the battery connects to the motherboard.

Oct 08, 2009 | Acer 4220-2346 Notebook

2 Answers

Forgot BIOS password


Question: How to clear an unknown BIOS password.
Answer: If you have mistakenly forgot or lost your BIOS password or you receive a password at boot that you do not know, you will need to clear the BIOS password by one of the below methods.
Precaution: When inside the computer please be sure of the potential of ESD.
  • Try using generic BIOS passwords. A complete listing of these passwords can be found on document CH000451.
  • There are utilities designed to help bypass BIOS passwords. An example of a great utility to decrypt / bypass BIOS passwords is the PC BIOS Security and Maintenance toolkit, which is available by clicking here.
  • On the computer motherboard locate the BIOS clear / password jumper or dipswitch and change its position. Once this jumper has been changed, turn on the computer and the password should be cleared. Once cleared, turn the computer off and return the jumper or dipswitch to its original position.
The location of the jumpers or dipswitches may vary; however, here are general locations where these jumpers / dipswitch may be located.
  1. On the edge of the motherboard - Most jumpers are located on the side of the motherboard for easy accessibility, verify by looking at all visible edges of the motherboard.
  2. By the CMOS battery - Some manufactures will place the jumper to clear the CMOS / BIOS password by the actual CMOS battery.
  3. By the processor - Some manufactures will place the jumpers by the processor of the computer. However, note that in some cases these jumpers will be to change the processor and not the password.
  4. Under the keyboard or bottom of laptop - If you are working on a laptop computer the location of the dipswitch (almost never a jumper) can be under the keyboard or on the bottom of the laptop in a compartment such as the memory compartment.
  5. Other visible location - While it is possible that the jumpers / dipswitches may not be in a visible location, most manufactures try to make things easier by placing the jumpers / dipswitches in another visible location.
Additionally, when looking for the jumper / dipswitch the label of that switch can be anything; however, in most cases will be labeled CLEAR - CLEAR CMOS - JCMOS1 - CLR - CLRPWD - PASSWD - PASSWORD - PWD.
  • On the computer motherboard locate and remove the CMOS battery for at least 10 minutes allowing the computer to lose its information. Note: this will not work on all computers.
  • If your manufacturer has a bypass password this can be entered and allow you access to the BIOS and/or computer. Because of the security risk of a bypass password, generally only older computers will have this option. In addition, it is likely that this information will only be able to be obtained from the computer, motherboard or BIOS manufacturer.
  • On the computer motherboard locate the CMOS solder beads and jump the solder beads to clear the password. The identification and location of these solder beads can vary and if not available in computer documentation is generally only obtainable through the computer manufacturer.
If one of the above solutions do not clear the password or you are unable to locate the jumpers or solder beads, it is recommended you contact the computer manufacturer or motherboard manufacturer for the steps on clearing the computer password.

Sep 19, 2009 | HP Compaq 6710b Notebook

1 Answer

CMOS battery getting hot.. bad jumper setting... help!!


you can downlaod the manual which shows the jumper settings, plus diagnostic software and drivers for your board from the makers website at the address listed below.
http://support.asus.com/download/download_item.aspx?product=1&model=K8S-MX&SLanguage=en-us

Please rate this answer and good luck.

Oct 30, 2008 | ASUS K8S-MX Motherboard

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