Question about Dell Latitude C640 Notebook

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Please help me. I have forgetten the motherboard password for dell laptop model pp01l and service Tag is 7HYDT01

Service Tag is 7HYDT01

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Hello, you need to reset CMOS. Download this: Click here

Posted on Sep 13, 2008

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Sir i have DELL LAPTOP I HAVE NO ANY PASSWORD DISPLAY SHOW FOLLOWING SERVICE TAG : #9R1ZM1J-595B MODEL : D505 BIOS REV. : A09


If you call Dell (310-DELL) with the service tag number, once they verify that you are the legitimate owner of the unit, they can generate a password to unlock the unit using the service tag number.

Mar 21, 2011 | PC Laptops

1 Answer

Dell d820 power-on password, Service tag 69h84b1, please help me.


I am afraid that such kind off issues could only be solved by motherboard replacement, unless you can contact your laptop's manufacturer support with a proof of ownership of this notebook.

There is also this service which can help you crack the BIOS password:
http://www.pwcrack.com/security_chips.shtml

Dec 03, 2010 | Dell Latitude D820 Notebook

3 Answers

How to bios password break in dell vostro 1015 model please do the need full


Hello Sir I can help you .Send me service tag which u can see on the bottom cover or turn on laptop u will see on screen hash code like this XXXXXXX-595B or D35B, A95B or 2A7B send me complete .i will send You MASTER PASSWORD Thanks.

Nov 13, 2010 | Dell Vostro 1500 Notebook

2 Answers

Dell latitude d630 admin password i forget it


This is a very complicated situation!

If you are the first owner off the laptop you can just call them att your local dell help centre.
under your laptop you have a "SERVICE TAG"
This is your laptops serialnumber.
Dell uses that serialnumber to see if u are the first legit owner to the computer.
if u are the legit owner they will send u a
MASTER PASSWORD!
This is to prevent access to stolen laptops.
The password that many people call "BIOS PASSWORD" is not located in bios at all on dell laptops.
The password is stored in a IC called EEPROM
it is located under the motherboard and is soldered in place.
to manipulate the eeprom is not for beginners,
but it is possible to shortcircuit the EEPROM to
get it in "factory reset" mode

This is my solution! Please vote!

Apr 17, 2010 | HP Pavilion dv6000z Notebook

3 Answers

Reset password bios c840 dell latitude


Remove the CMOS battery from the motherboard.

Jan 03, 2010 | Dell Latitude C840 Notebook

5 Answers

I FORGET MY DELL LAPTOP BIOS PASSWORD.HOW CAN I OPEN IT


Dell latitude d600, am installing a replacement HDD, when I boot up laptop a screen comes up asking for password authentication system You cannot access the data on this computer without the correct password Please type in primary or administrator password and enter ????? How do I fix this ???? Tony

Nov 01, 2009 | Dell Latitude D600 Notebook

2 Answers

Need help with inspiron 1501 bios and hdd password


Dell Inspiron BIOS Password Recovery
Each Dell Inspiron has a master password which will clear the BIOS password. You can get this number by calling Dell Technical Support at (800)624-9896.
Dell Technical Support will request the Service Tag and Express Service Code from the bottom of your Inspiron.
If you were not the original owner of the Inspiron, Dell will transfer registration of the used Inspiron from the original owner with only the Service Tag and Express Service Code from the tag on the laptop.
To transfer the registration of a used Dell Inspiron, fill out the Transfer of Ownership form on Dell's web site.

Oct 12, 2009 | PC Laptops

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