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Can't Get Into Bios Setup Dell Dimention E521

I have a Dell Dimension E521 that won't allow me to enter the bios setup or the boot menu. When I hit F12 or F2 nothing will happen it will continue to boot up and the the OS. It is a USB keyboard. Seems like the BIOS is not setup to recognize USB devices. I cannot use a serial keyboard because there is no serial ports on this computer. Any ideas?

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  • Scott Calafiore May 07, 2008

    How does that get me into the Bios Setup?

  • Scott Calafiore May 07, 2008

    I reset the bios on the main board that worked thanks :)

  • Anonymous Jan 12, 2009

    I have same problem. Cant get into bios setup. Due to my usb keyboard.

  • Anonymous Jan 26, 2009

    i have a dell xps400 and i get get into the bios and have to pres f1 to get in every time. its looking for floppy disk thats not there.is there any other way to get into bios and shut down looking for floppy.

  • ashholler Mar 29, 2009

    i have a problem with the keyboard and mouse not working at all tired all the usb ports front and back every one. had a dell teck help me get back files i think the computer has a virus. not sure because its not mine. now the keyboard and mouse dont work. tried all the usb ports front and back nothing. i can get the keyboards up and down and enter in safe mode but thats all no mouse so ccan get into it stuck now. anyone that can help me

  • Anonymous Apr 07, 2009

    Mines Is haveing the same porblem 2 mine is f**ked up no start , no boot i am afrad to resater it due to the bios update falled so i am f**ked up 2!!!!

  • jlewisjams Apr 08, 2009

    I'm having the same problem getting to the BIOS on this E521. Anyone have a clue?

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Check if your keyboard is connected to USB port which is part of the motherboard and not some frontal or 'additional' USB ports you might have

Posted on Oct 27, 2008

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Hmmm..that's not too easy..let's see..ok...here's what you do..when you enter can you try F8 ( safe mode)//

Posted on May 07, 2008

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Posted on Jan 02, 2017

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

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

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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.
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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

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

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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.

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Forgot adm password, i have a system password


go to BIOS setup, Restart the computer Hold the key CTRL+f1 or f2 depend of your model or mark. and enter the new password.

God bless you

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How to reset cmos in dell e521 dimension computer


The BIOS information is typically found at or near the top of the POST screen for a very short time ALR PC non / PCI = CTRL+ALT+ESC AMD advanced micro devices=BIOS = DEL Award BIOS = DEL Dtk Datatech Enterprises Co. BIOS = ESC Phoenix BIOS = CTRL+ALT+S Phoenix BIOS = CTRL+ALT+INS Restart your computer during the boot process you will see on the screen to press a certain key usually Delete or F2 to enter setup
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1 Answer

I have a Dell Dimenstion E521 with Windows 7 Ultimate 64-bit, that powered itself off last night, booted up fine the first time. Then it powered itself off again within 5 minutes and just kept powering...


There is a setting in BIOS that determines what to do when when the computer receives power after a power failure. There was a time when this was set as power on; computer would power on automatically computer receives power after a power failure. I think this answers your first question.
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Do not hesitate if you need further help.

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4.Save The Settings Then restart.

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Straight from the Dell website:
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If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft Windows desktop. Then shut down your computer and try again.


I hope this answers your question!

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