Question about Dell Inspiron 8100 System Board ( Motherboard ) - 3N642 CD-ROM Drive

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The musician who can't get in

Can't clear cmos due to pasword error
dell inspiron 8100 tried disconnecting battery several times tried jumping
the battery connectors & i don't find a coin like battery iwas also reading in google about the chip 24c02 what else could i do dell could not help because it is not a newer computer i use my computer for recordings & midi music thanks any help or info would be appreciated

bajomoe thnx & godbless you for listenig

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  • Thomas F. Schneider May 11, 2010

    Did you try leaving the battery out for 30 to 45 minutes?

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  • 32 Answers

Their is a watch battery. i actually did open up that same laptop. you need to open one of the doors on the bottom (cant tell you witch one at the moment) and the watch battery is under there. you need to remove that battery (probably cr23## or something) for they say 15 mins. longer wont hurt. that battery is in there you just need to find it. it will clear the cmos.

[inspiron only!]
If you can not get this to work you can call this number (800)624-9896. that is dells tech support

they will request a service tag and express service code. which will be found on the bottom of the laptop.
if you arent the original owner you can have the registration of the laptop switced. but you will need to register as the new owner you can do this by filling out the Transfer of Ownership from Dell's web site.

i know its not quick, but it will be easy.

Good luck

Posted on Jan 12, 2009

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Posted on Jan 02, 2017

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Dude, Can you send me a Bootable ISO CD of Dell Asset/Service Tag BIOS Reset Tool........Please


Hello, you can download this tool here:

http://www.cgsecurity.org/wiki/CmosPwd

Dell

The official method is to contact Dell Technical Support. Dell Technical Support will request the Service Tag and Express Service Code from the bottom of the Latitude. If the current user is not the original Latitude owner, Dell will transfer the used Latitude's registration from the original owner with only the Service Tag and Express Service Code from the tag on the laptop.
  • Dell Inspiron 5100: eeprom 93lc46, password in scan code at 0x310
  • Dell Inspiron 7500: eeprom 24c164
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  • Dell Latitude C640: eeprom 24c04, password in scan code at 0x100 and 0x180
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  • Dell Optiplex: Remove the PSWD jumper
  • For most Dell Dimension desktops, the steps to reset a BIOS password and clear all CMOS settings are:
    • Locate the 3-pin CMOS password reset jumper on the system board.
    • Remove the jumper plug from pins 1 and 2.
    • Place the jumper plug on pins 2 and 3 and wait approximately 5 seconds.
    • Replace the jumper plug on pins 1 and 2.

Try the backdoor password: Dell

The another method is: 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, and remove the battery and power cord
( if it is a laptop ) before you continue.

Here is a picture how it looks like:


2_5_2013_1_59_52_am.jpg
The default setting is:pin 1 to 2, to clear cmos: 2 to 3.

Best of luck :-)

Feb 05, 2013 | Computers & Internet

1 Answer

Haw can i clear the bios password in a dell inspiron 8100 service tag 5nppy01


one way is to remove the cmos battery inside the laptop for 15 minutes. if you take off the panels on the bottom, you should find a watch battery inside, that keeps the time and bios settings. removing the battery will reset the BIOS to factory, some BIOSes do retain the passwords though but that depends on the brand and model.

May 03, 2011 | Computers & Internet

3 Answers

I need to change the motherboard battery on Dell 8100 laptop


sometimes there will be a compartment that can access the cmos battery sometimes not. This guide will show you in pic # 4 what the cmos battery looks like. If you look around the sit for a while you may find your specific laptop. I just don't have the time to look now.
Hope this helps.
http://www.insidemylaptop.com/take-apart-dell-studio-1537-laptop/

Oct 23, 2010 | Dell (S423) for Dimension 8100 (3F546)...

1 Answer

Dell inspiron 1545 laptop (Time- of- date clock


This could mean two things: a problem with the cmos battery or the motherboard itself. Try to remove the cmos battery first and install. If not,then replace the cmos battery.

Oct 12, 2010 | Dell Inspiron 1545 Notebook

1 Answer

My dell 8100 laptop is locked and at the bios . how do i break the code?


YOu can reset bios password with 2 method.
(1) open back cover of laptop then find motherbord .Pull cmos cell from motherbord for 15 minutes then again put it in it's position .then it not ask for password.
(2)You can clear password with jumper settings find jumper on motherbord named clear cmos it has 3 pin .1-2-3
Put jumper in 2-3 position then again put it in 1-2 position then check .
Let me know if you need more assistance.
Thanks.

Nov 14, 2009 | Dell (0K724) for Inspiron 8100 40 GB Hard...

1 Answer

Help..Can't boot and forgot bios password


If you can get to the CMOS battery, there should be a set of jumpers close by that should say Clear CMOS or CMOS reset, or something to that effect. There are usually 3 pins, and the jumper is between 2 of them. Remove the jumper and put back over the pin that was open, and the pin next to it that was jumped before. Leave it for a few seconds, then put back to original position. This should clear the bios, and all you in.

Here is a link to the laptops manual
http://support.dell.com/support/edocs/systems/ins2600/en/index.htm

Good luck, and please rate me, OK?

Mar 15, 2009 | Dell Inspiron 2650 Notebook

1 Answer

Dell? Inspiron? 8100


to clear the bios password you will have to remove the cmos battery located on your motherboard

Feb 14, 2009 | Dell Inspiron 8100 Notebook

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