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I have 07211-3 DS2 INTEL 48.4W002.031 motherboard in a dell 1525 inspiron laptop, i forgot my cmos password, how could i remove it

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kamal1984
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SOURCE: Dell Inspiron 1525 CMOS chip

http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=mp-47767-1&lc=en&cc=us&dlc=en&product=441115&os=2093

Posted on Jun 13, 2009

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SOURCE: two motherboards for the dell inspiron 1525?

There are a number of reasons for having more than one motherboard. One may be for an Intel CPU, one for AMD. Dell manufactures their own motherboards, so they may have run out of their first type of motherboard and replaced it with the second. There may be certain features included with one and not the other. There are a lot more reasons. If you need to know why, phone Dell support. There is a good chance they will tell you why.

Posted on Jul 27, 2009

mahhek
  • 657 Answers

SOURCE: How do I remove forgotten BIOS password?

1) You can reset BIOS to default settings by pressing <Alt><F>

2) I am not sure about the laptops, but in the Dell Desktops usually there is a reset jumper on the motherboard which is seated on 2pins out of 3, you just need to remove that jumper turn on the pc once and the turn on the pc again by reseating the jumper to its original place. You can try this with your laptop, I guess the jumper should be somewhere close to the CMOS battery.

3) Remove the battery and keep it away for atleast 30 mins. and replace it again.

NOTE: make sure while following step (3) and (4) the system should be completely turned off. Unplug the AC adapter, remove the battery and hold the power button for atleast 8 - 10 seconds.

let me know the output

Posted on Aug 29, 2009

SOURCE: Attempting to reset the bios password on dell insiron 1525

Hi!!Usually DELL passwords are stored in eeprom memoriesthat has to be read or writen to remove / bypass the BIOS password!!! Passwordgenerate a hash code that will appear after 3 wrong password attempts and ithas a 5 digit decimal format "xxxxx"


Another way to obtain password is by generate a unlock code or master password from the service tag that comes with the laptop in the bottom in the sticker (service tag "xxxxxxx")


http://www.laptoprebirth.comThey can calculate a master password with the hash code or the service tag. Hopeit helps

Posted on Sep 18, 2009

  • 356 Answers

SOURCE: how to remove a cmos battery is a dell inspiron

The CMOS battery is located underneath the keyboard of your Dell i5100.

If you're up to it, then try these simple steps:

- Open the lid to a 180 degree angle and using a very small Flat Screwdriver, pry the hinge cover on the right side. There's a small notch where you can pry it out.

- Check if the keyboard is being held by 2 screws. To loosen them, remove the battery and unscrew them from inside the battery bay.

- Carefully lift the keyboard in an angled position and check the ribbon or contact tape that connects the keyboard to the motherboard. Flip the keyboard towards you and see if you can reach the CMOS battery (usually covered by a blue plastic shield or protective cover. There's a pair of wire coming from it and the end is a small connector. You may remove the connector attached to the motherboard carefully to get the CMOS battery.

Posted on Jun 13, 2010

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If it is the main password then remove and reinsert the cmos battery.. This should work.

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factory setting mat not remove the password,open the laptop and remove the CMOS battery,on the system and then replace back the CMOS.

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My Dell computer never bypass bios password anyway * system authinitication password*


Best option is to contact dell support.
Ask them to provide you with a steps to remove and reseat the CMOS batterry,
This will reset all the passwords.

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Please help me i forget bios password in my laptop dell model is 1525 how can i open it


To reset the BIOS password in your Dell Inspiron 1525 you would first need to disassemble the laptop and remove the CMOS battery for 30 seconds and put it back in. You can do this by following the service manual below provided by Dell.

Please be aware that this will take some technical knowledge to do, making a mistake here can be fatal to the operation of your system. I urge you, if you are not comfortable following any of these steps, take it to a local professional.

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4 Answers

Attempting to reset the bios password on dell insiron 1525


Hi!!Usually DELL passwords are stored in eeprom memoriesthat has to be read or writen to remove / bypass the BIOS password!!! Passwordgenerate a hash code that will appear after 3 wrong password attempts and ithas a 5 digit decimal format "xxxxx"


Another way to obtain password is by generate a unlock code or master password from the service tag that comes with the laptop in the bottom in the sticker (service tag "xxxxxxx")


http://www.laptoprebirth.comThey can calculate a master password with the hash code or the service tag. Hopeit helps

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1 Answer

BIOS password


what motherboard is that ? look for the battery and remove it , there should have a jumper near by , leave the battery out for a hour or so.,

Jun 13, 2009 | Dell Inspiron 1525 Notebook

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