Question about Dell Latitude C400 Notebook

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Password the computer ist a dell c400 and the password bios, you helpme thanksss

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Dell BIOS passwords can be reset by Dell Technical Support. There is no master jumper to reset.


Posted on Aug 07, 2008


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I want to reset my dell latitude C400 because i forgot the hard disk password how can i open it without typing the password

latitude_c400_pc_notebook_550272.jpg Problem with Dell Latitude C400 PC Notebook
rhinceguadez Asked on Jul 21, 2012:

i want to reset my dell latitude C400 because i forgot the hard disk password how can i open it without typing the password

Jul 21, 2012 | Dell Latitude C400 Notebook

1 Answer

Need Dell C400 Authentification Password

he simplest way to remove BIOS password is to simply remove the CMOS battery. A computer will remember its settings and keep the time even when it is turned off and unplugged because these parts are powered by small battery inside the computer called a CMOS battery. If we pull out this battery, the computer will forget alot of its hardware settings, including its BIOS password. This should not be performed on Laptops if you are not experienced working with laptop hardware.
If that doesn't work,you'll need a bios/cmos password recovery tool from

May 30, 2012 | Computers & Internet

2 Answers


I have software to unlock any dell with service tag xxxxxx-595b. I have a posting on reply to the posting on the above site, and I will help you unlock your dell.

Aug 09, 2010 | Dell Latitude C400 Notebook

3 Answers

I need to reset the password for the bios.

If you have a bios level password enabled and do not know the password, then you will have to contact Dell Technical Support to get a MASTER PASSWORD to disable it. There is no hardware path on a Dell portable (Aside from replacing the motherboard) to get around the password. To resolve:
  1. Contact Dell Tech Support2.gif (800-624-9896 USA)
  2. Validate that you are an authorized user of the system
  3. Once done, TS will generate a master password for you.

Oct 09, 2009 | Dell Latitude C400 Notebook

1 Answer

How to bios reset jumper location dell c400

try to remove the cover of your laptop. Then remove the motherboard battery for about 10 min. Put it again and bios should be restarted.

Mar 16, 2009 | Dell Latitude C400 Notebook

1 Answer

Bios password protected

Hello sir

Please, go HERE and refer to item no. 8

You will need to contact Dell for the master password for that computer or use a 3rd party service who will charge you anywhere from $8.00US and up.

There are other options as well including replacing the firmware chip that holds the password. I even saw listings on eBay - services offering to reset Dell laptops' BIOS passwords.

Please, let us know if this response was helpful for your or, of course, if you have more questions, etc. on this topic.

Mar 16, 2009 | Dell Latitude C400 Notebook

2 Answers

DELL BIOS password is unknown for DEL C400

Dell keeps a master code for each of their machines. All you have to do is transfer ownership of the machine into your name, if it isn't already, and give tech support a call, and they'll give you the code over the phone. You can transfer ownership at Dell's support site, there a subcategory on the left of the screen that reads "ownership transfer". Here's a link for the tech support number.

Jul 08, 2008 | Dell Latitude C400 Notebook

1 Answer

Dell latitude cpi is locked

When you say locked, do you mean password? If so, is it a bios password or Window operating system password?

Jul 05, 2008 | Dell Latitude C400 Notebook

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