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Have to press ENTER key eight times with blank screen to make computer boott. Why?

Using Dell Optiplex 280.

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  • canbuy
    canbuy Feb 12, 2012

    Thank you to all for the replies. Nothing worked. I took a look at the contacts under the cpu and sure enough they were melted worse. I was using a 20 pin PSU instead of a 24 pin. I need a new motherboard. Actually I don't know if that was the problem since I had been able to get it to work before by readjusting the chip.

  • canbuy
    canbuy Feb 12, 2012

    Thank you to all for the replies. Nothing worked. I took a look at the contacts under the cpu and sure enough they were melted. I was using a 20 pin PSU instead of a 24 pin. I need a new motherboard. Actually I don't know if that was REALLY the problem since I had been able to get it to work before by readjusting the chip.

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  • Master
  • 27,725 Answers

Restart your computer
During the boot process you will see on the screen to press a certain key to enter setup usually the delete or F2 key

Press and hold that key during the boot up process to enter BIOS using the arrow keys load failsafe defaults or load optimized defaults press escape then press f10 to save to cmos to restart if this fails to fix the problem

During the boot process tap the f8 button three times this will boot into safe mode where the only things working will be your mouse and keyboard enabling you to attempt to repair your computer

you could select the option start at last known configuration that worked this will tell what file has been corrupted or missing you might be able to work your way through problem if you are unable to find a solution

restart back into safe mode you might need to select your operating system to load into safe mode

click start control panel administration tools computer management in the left panel events + to expand then system you will see all errors in right panel right click select properties this will tell you what has occurred and the time it occurred

you might use the system restore to restore your system to an earlier time
click start all programs accessories system tools you should see your system restore option

hope this helps you

Posted on Feb 09, 2012

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Posted on Jan 02, 2017

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dopefinger
  • 79 Answers

SOURCE: Can I replace the Dell Optiplex GX 280 motherboard

If you do you will probably need to replace the proccessor also. The proccessor is what is DuoCore and the the motherboard needs to support it

Posted on Jul 31, 2009

ell9
  • 43 Answers

SOURCE: Dell Optiplex GX 280 bios

Hi, take the small round battery out of the mother board for about 5 minutes
and put it back in, and that removes the password,

Posted on Nov 24, 2010

Tech_Mate
  • 680 Answers

SOURCE: I have DELL Optiplex GX

Hi, Thanks for using fixya.

I have the same computer with the same problem. I changed the power supply that cured it for me, I hope it does the same for you.

Terry

Posted on Feb 15, 2011

  • 2226 Answers

SOURCE: please i need your help dell

check the boards compasstors if they have a round top on them or not if they do you need new board check also the power supply as well jim look at fan on cpu if it turns or not

Posted on Apr 05, 2011

  • 10 Answers

SOURCE: i want to reset password

remove the jumper, they have two pins only, turn on the computer, wait for 1 minute. The jumper is located close to the power plug, in the right side,

Posted on Apr 09, 2011

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