Question about Dell Dimension E521 PC Desktop

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Help! My dell dimension E521 will not boot after

Help! This is my second question on this issue. My dell dimension E521 will not boot after start up, I was told it could be video card or that I should just reinstall my os, the problem is when I put my installation disk in nothing happens I just have a black screen, I was able to do a startup repair and at the end of it I get a jumbled colored screen, if I start it normally and do nothing, I just get a black screen but I am able to take it to safe mode only I don't know what to do once I'm there.

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  • missdandym Feb 02, 2010

    No I didn't install any new hardware but there was a power outage(I had it plugged into protective power strip) when turning it back on it never booted back up, actually since this question I was able to get it to start installing windows os only it didnt install all important componants so now I'm stuck, it will not finish the install and it wont repair it. I should add that it had wondows vista on it but it didnt come with proper installation recovery cd so I had a xp recovery cd from my laptop and used it, what should I do now?

  • Steven Neff
    Steven Neff May 11, 2010

    So it will boot in Safe Mode, but not normally?

  • Wayne Brown
    Wayne Brown May 11, 2010

    Hi, Let's start out from the beginning. Did you do any installs, hardware upgrades before this problem started ? Did the pc make any beeping sounds ? If so what kind of beeps ? check out this link to see the Dell beep codes and let me know. I can help.




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Its seems like your RAM is not working properly, so once you replace the this RAM and check it, you problem should be resolve.



Posted on Feb 02, 2010


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1 Answer

How do i reformat my dell dimension e521 computer

The easiest way is to boot from the Windows installation CD and select format hard drive.

Jan 17, 2012 | Dell Dimension E521 PC Desktop

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My Dell E521 desktop keeps telling me to use a boot disk, what is a boot disk? I'm asked to press F2 or F12? Didin"t work.

Sounds like you boot menu has been corrupted the disk that its asking for is a windows intallstion disk if you have it I would put it in your cd drive boot from the disk and select repair. Please carify your operating system.

May 30, 2011 | Dell Dimension E521 PC Desktop

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My dell dimension e521 will only start up in safe mode ther was a power outage since then i can not use the computer,

Probably corrupted some importand windows system files.
Boot in safe mode, and do a system restore.

Start, Accesories, System Tools, System Restore..
Choose a restore date. The last one in there will likely do it.
Allow it to do it's thing.. Should be all good. Cross your fingers..

Dec 10, 2010 | Dell Dimension E521 PC Desktop

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Dell dimension wont boot after power outage and stops half way through the boot page


The problem is with the corrupted boot files .In my opinion you have one solution
Steps for solution

1. Download an operating system called ' Linux mint ' which can be installed in the pen drive having minimum 4 gb capacity . Using this operating system you can access the computer .

2. Copy the file and folders to an external storage device (external hard disk, pen drive etc..)

3. Reinstall the operating system ( XP,Vista ,Window 7,Ubuntu etc )

Hope you be successful

Mar 12, 2010 | Dell Dimension E521 PC Desktop

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I dont know how too reboot my dell dimension E521?

Dell seem to not make a lot of computers with reboot/reset button. If Windows is already running, you can turn it off or reboot it from the start menu. What you can also do is to hold down the power button for at least 5 seconds. Usually it will turn it off itself if you hold it for long enough.

Mar 08, 2010 | Dell Dimension E521 PC Desktop

1 Answer

Dell dimension e521 won't turn on

hi !
If your have already changed the power supply, there is still a lot of main points of failure in the no power situation. If the motherboard has a flea light, then it could be one of the components. It can be the memory(if no beeps are heard, then memory is not the cause), it can be the processor, or it can be the control panel, in which the power button is attached. Try to check the cables as well.
Cheers !

Dec 25, 2009 | Dell Dimension E521 PC Desktop

1 Answer

My Dell Dimension E521 won't start up and has a flashing 3,4 code.

Can you check your bios page on startup? Do you see anything on the screen when you first powerup? If you see nothing and only get the flashing lights you may need a power supply.

You may also have a bad HD or perhaps loose memory chips.

You can start by checking the bios for an installed hard drive and memory. If you see those and then it stops booting. Check the power supply.

Dec 09, 2009 | Dell Dimension E521 PC Desktop

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E521 does not always completely start up into windows. It takes several tries of hitting the on switch. Is it the power supply?

Dunno,if it hits the splash screen & quits or goes to black,then more than likely the hard drive is going bad. Doubt it's the power supply.

Jun 25, 2009 | Dell Dimension E521 PC Desktop

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