Question about Dell Dimension 5150 (DIM515MIN) PC Desktop

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Reset dell dm051 series bios vertion a02 password

I forget bios system password

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  • Dell Master
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Removing the CMOS battery usually works, but this model also has jumpers which is safe to do.

http://support.dell.com/support/edocs/systems/dim5150/en/sm/parts1.htm#wp1377780

Posted on Nov 30, 2012

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ehsan_bba
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SOURCE: bios problem on dell dimension e510

At first u need to remove the bios. wait for 5 minutes. then add the battery. start it

Posted on Jan 24, 2009

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1 Answer

How can i have the password bios of laptop dell E6420


f you are running Dell servers, it is recommended to enable BIOS password. This is will prevent accidental changes done to Dell BIOS settings by others who get physical access to the server.

You can setup two different types of passwords in Dell BIOS:

System Password: This will be prompted before the system can boot up, and load the operating system.
Setup password: The system will prompt for this password only when you are trying to access the BIOS settings.

Depending on your situation, it might be a good idea to enable both the system and setup password at the BIOS level. I recommend that you at least enable BIOS password.
Press F2 for System Setup

When the Dell server is booting up, press F2 to start system setup, from where you can change Dell BIOS settings.

BIOS System Security

From the Dell BIOS main menu, scroll down to "System Security" and press enter.

Password Not Enabled

From here, you can see that both the System and Setup password is not enabled by default.

Enable System Password (and Setup Password)

Scroll to "System Password" and press enter, which will prompt you to enter the password that you like to set for the system. Please understand that if you set this password, you have to enter this password everytime you start the system. Do the same thing for Setup Password.

Don't forget this bios password. If you forget, then you have go through the painful process of resetting the Dell BIOS password.
Password is Enabled

Once you've enabled both the password, from the "System Security" menu, you'll see that that both system and setup password is enabled as shown below.

password is set

System Password Prompt (During Startup)

From now-onwards, anytime you start the system, it will not load the operating system, unless you specify the system password as shown below.

12345

Setup Password Prompt (To Access BIOS)

If you press F2, to get to the BIOS, it will prompt for the setup password as shown below. If you don't enter a valid password here, you cannot access the Dell BIOS settings anymore.

Dec 16, 2014 | Dell Latitude E6420 Laptop Computer...

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Downgrade bios A07 to A02 of dell N4030 for


Never a good idea to downgrade BIOS revision. Could cause you to have to replace the system board if it doesn't install properly.

Aug 05, 2011 | Dell Computers & Internet

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How to disabled the bios password of dell motherboard rev a02


in a PC TOWER, you can unplug the power supply from the motherboard and remove the little battery and it will reset it.

in dell laptops there is no battery or at least not one you will have access too, usually at the back of a dell laptop there are 2 pieces you can open, Open them with a screwdriver.
unplug from power, remove the battery.
Now, there should be a skinny cable running from a place you cant access, the end of this cable have a white plastic thing on it and it connects to the mother board.
Unplug it from the motherboard, wait 5 seconds, plug it back in.
your bios should be reset now.

Say "Thanks" by clicking the thumb icon in the post that helped you. Please click "YES" in solution that solves your problem as "was this helpful?"

Apr 19, 2011 | Dell SYSTEMBOARD REV A02 A16643-307...

1 Answer

Hi, please forget mi poor english.... I see than you can help with a lost password from dell's system bios block. with a master password my computer is a dell e6400 service tag J2QS5K1 My...


You need to reset the password for Dell system by removing the Bios Battery or you need to reinstall the BIOS setting by downloading the BIOS from DELL.
This will resolve the issue you are facing.

Thanks,
Satheesh

Jan 21, 2011 | Computers & Internet

1 Answer

I forget the BIos password and I cannot run my laptop.Because my laptop wants the bios password PLz help me now


For this you need to change the bios password which can be done in few following ways:
1. If you can handle opening your hardware then you should remove the CMOS battery from your system(attempt only if you are hardware expert) and then re-insert it....your bios password has been removed and problem thus solved.....make sure while doing it every thing including power supply, any usb device should not be connected to the system....
2.Otherwise the backdoor password for your Dell system is "Dell"(without qoutes)...
There is no other mechanism for resetting your bios password in Dell....
Thank you...

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2 Answers

I have to have a bios password for my dell lap top and i dont know how to remove it


you can reset the bios password by calling dell for a master password.

Mar 05, 2009 | Dell Computers & Internet

1 Answer

Bios problem on dell dimension e510


At first u need to remove the bios. wait for 5 minutes. then add the battery. start it

Jan 24, 2009 | Dell Dimension E510 Dual Core 2.8 Ghz...

1 Answer

When i go to turnon the power it tell me to press f1 help


Look in the BIOS for the setting that says reset factory defaults or reset system defaults. This will reset theBIOS to the factory defaults. Resolved.

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