Question about Dell Dimension 3100 PC Desktop

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How do i fixt it. it has crash and now asking for a pass word and i dont have it the screen is black

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The motherboard has a password rest jumper. Go to and chekc the user manual for your computer. The motherboard biagram will give you the location of the jumper. Swap the jumper the current location to the next set of jumpers. Eg .If it is on pin 1 and 2 move it it pin 2 and 3. power on the computer and then poer it off. Move the jumper back to its original location. This should take off the password.

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Posted on Aug 13, 2009

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Here are 2 password type first 1 is bios password if tell me about your bios password it prompt when u powerup follow procedure below

For that you need to reset factory defaults settings for bios.
For reset bios u have to open back side of your laptop then u find motherbord circuit there.
pull cmos cell on motherbord for 15 minute then it reset to defaults.
Also u can reset with jumper settigns read carefully on mother bord there is 1 jumper near cmos cell u read there " bios reset or clear"
It is on 1-2 position right now set it in 2-3 position then power up then all bios settings are reset.
then again set it in 1-2 its original position.
Then it not want password.

And if u tell about windows password
Then when you power up the computer press F8 key then enter in safe mode then wait until it prompt for user password

then enter in administrator then if u able to enter then reset your password.
But if u set and forgot default administrator password then u should need win xp recovery disk.

Posted on Jul 28, 2009

  • kishor
    kishor Jul 28, 2009

    but in your case you have desktop so open cpu cabinet then you can find easily motherbord chip then pull cmos cell for 15 minutes then check



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