Question about Dell Dimension 5100 (D51L1) PC Desktop

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Restarts My Dell 5100 keeps restarting on its own over and over befor it even starts up

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  • texassharon May 26, 2008

    I have been dealing with this for two weeks now. After two days of over 300 minutes on the phone to India...holding on minute after minute...unplugged everything but the luck...replaced the power supply ($87 from Dell...only refurbs available...) still gets going and then shuts down and tries to reboot ...eventually, it won't even show anything starting up on the monitor...just reboots over and trying to start a car. I have been told by the tech in India that my hard drive and motherboard need to be do I know this??? Have you had any luck with fixing yours? Please let me know.

  • Fra Tro May 11, 2010

    May I ask:

    What operating system are you running?

    Has this happened before? Kinda in a gradual way?

    Have you recently installed any software? "this includes updates."

    Have you tried to start in Safe Mode?



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Check the RAM. Might be dead. Try replacing them...should work

Posted on May 10, 2008

  • Swilin Sampson
    Swilin Sampson May 31, 2008


    This thread has gone 14 days or more without a response.
    Please close the thread with a “FixYa” or “Helpful” rating.

    Or post back with latest developments, what steps you took,
    etc. and I will assist you further as best I can.

    Thank you.




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Restarts continously

Does the system manage to boot at any point? If it does and there is a period before it restarts the system could be overheating. I would ensure all cooling fans and heatsinks are clear of dust/debris.

If you are unable to boot to Windows, try starting in safe-mode. If you can start in safe-mode it will be a strong indication there is problem with your software. At this stage in safe-mode I would first of all try a system restore back to when my computer last worked, if you have no success I would then suggest a virus check/clean in safe-mode.

If you find the system won't even start in safe-mode I would check your RAM is seated correctly, and if that doesn't solve your issue proceed to check/test all other components of the computer. Being a DELL if you press F12 during start up I believe you can ask the system to do a hardware diagnostic test.

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1 Answer

Computer wont start and is showing bootmgr missing how can i fix this We had a lightening storm recently. My 5100 was plugged into a surge protector. Every other device connected to the surge protector is...

Its not the surge protector problem.
1. Starting your computer press the F8 function key
2. Select Safe Mode
3. Select the restore point and restore the last updations you had done by selecting the date
4. Wait for a time to get confirmation
5. It will restarts the system.

If the above steps are not worked you need to re-install the OS

Let me know that your problem is solved and rate me as fixya! 

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