Question about Dell Dimension 3000 PC Desktop

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Setup bois password 4 got

After i turn on power black screen apears with white righting it asks for a password that has been forgotten or unknown have tryed taking out battiery and not helped been on dell help line and nothing no 1 can help

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On the motherboard, very close to the battery, there should be several pins with a jumper on two of them. One set may be marked "reset Bios password", or just "Reset", which will discharge the BIOS capacitor.
Remove the battery first, then move the jumper to the Reset pins for a second or so, then move the jumper back to it's original position and replace the battery.
When you power up the computer, the Bios password should now be empty.

If you cannot find these pins, try leaving the battery out and do not turn on the computer (I know this may not be possible) for several days to allow the capacitor to discharge.

FW

Posted on Apr 30, 2008

  • belincoin Nov 03, 2011

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Posted on Jan 02, 2017

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How do i clear all forgotten passwords ,including dell security manager authentication password (bios)


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NOTICE: This process erases both the system and setup passwords.
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2 Remove the jumper plug from the PSWD jumper to disable the
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See "Jumper Settings" to locate the password jumper (labeled
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3 Close the computer cover.
4 Reconnect your computer and devices to an electrical outlet, and then
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1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down >
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3. Select Security > Setup Password and follow the instructions on the screen.
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1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down >
Restart.
2. As soon as the computer is turned on, press F10 when the monitor light turns green to enter
Computer Setup. Press Enter to bypass the title screen, if necessary. If you do not press F10
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3. Select Security > Power-On Password and follow the instructions on the screen.
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1. Turn on or restart the computer. If you are in Windows, click Start> Shut Down > Restart.
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2. To change the Setup password, as soon as the computer is turned on, press F10 when the
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3. When the key icon appears, type your current password, a slash (/) or alternate de-limiter
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NOTE: Type the new password carefully since the actual characters do not appear on the
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1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.
To delete the Setup password, go to step 2.
To delete the Power-On password, go to step 3.
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3. When the key icon appears, type your current password followed by a slash (/) or alternate
delimiter character as shown. Example: currentpassword/
4. Press Enter.




from

http://bizsupport2.austin.hp.com/bc/docs/support/SupportManual/c00794304/c007943
04.pdf

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If you are using Vista, Click Start> Control Panel > Power Options > "choose when to turn off display" (in the left hand pane) and check that it says at least 10 minutes. Click apply and then ok.

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Bios password or windows password

if bios password
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  3. open case
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  5. press power on button to dissipate any voltage
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If windows
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