Question about Dell Dimension 5100 (D51L1) PC Desktop

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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 fine. Now the 5100 will not start up. I checked for fuses with no luck.

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  • geek63640
    geek63640 May 11, 2010

    First, replace that surge protector. It didn't do its job properly.

    Secondly, what OS are you using....Vista or XP?


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  • 160 Answers

Hello,
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! 

Posted on Jul 05, 2008

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I recently formatted my hard disk but now it load files because BOOTMGR is missing.How can I fix this problem.


Hello.
you need to fix bootmgr with tools like hiren boot or it wont boot any of your OS

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Bootmgr missing


That is the file that your computer looks for to Boot up the operating system software. Either your OS (operating software) is corrupted or your hard disk drive might be defective. Here is a link to your model:
ftp://ftp.dell.com/Manuals/all-products/esuprt_desktop/esuprt_optiplex_desktop/optiplex-740_user%27s%20guide_en-us.pdf
Select the appropriate model and then view diagnostics or troubleshooting links to see if your hard drive is bad. If the diags pass on the hard drive test, then you will need to reload software.

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1 Answer

When i turn on computer it says BOOTMGR is missing


BOOTMGR is what makes win7 boot or vista for that matter
usually easily fixed.
Run windows startup repair let it attempt to fix it itself...
if that does not work insert the disk into another working machine as a slave unit and run some windows utilities on it such as diskpart or windows repair
there are other utilities out there that can fix your mbr for free but if they do not work you will need to reinstall windows OS. Your data is still able to be retrieved but you will need to have it slaved over to another system so it can be read and copied.
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1 Answer

Computer will not come on when you press the power button after a lightening storm


First check the outlet, power strip, UPS etc. that the computer is plugged into. Many devices have a circuit breaker that will need to be reset after a power surge. Once you establish that you're getting power to the computer, check the power supply on the back of your computer - next to the power cord connector. Many power supplies have a fuse or circuit breaker. If there is no reset function or fuse then you will need to replace the power supply. These are inexpensive, simple to replace, and easy to find on sources such as eBay and Amazon.

I hope this helps.

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Bootmgr missing on a hp pavilion 533w with windows xp


You need to run the installation CD and run"REPAIR" The bootmgr file is missing from the setup and doing the repair,the computer will take it from the CD again.

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My emachines EL 1200 desktop stopped working during bad storm


You can try to reset the computer by removing all power sources and letting it sit for a time. Then powering it back up and see what happens. That's called a hard reset.
I am guessing that the storm surge damaged your motherboard. The power supply is working or nothing would work. Try to hit the proper F key and get into the set up on the motherboard. A message should come up when you start up the computer. This is to see if your motherboard is working enough to open the set up. You can then tell it to reset to bois to factory settings.

If none of that will work, I suspect *********** board is bad and needs to be replaced.

I am sorry I don't have more positive information for you. But I hope that this will get you on the right track to solving your problem. Remember, this is only an educated guess. If you do find this helpful, please leave positive feedback for me.

Thank You,

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1 Answer

Bootmgr missing


You can often fix it right back up using the original Vista installation disk it has a System Recovery Tool. Set your computer to boot from DVD in the BIOS), insert the disc and restart.

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Dell 5100 won't start... Power button blinks yellow.


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1 Answer

Computer power won't turn on


First thing to do is try to plug the pc in another wall socket to see if it goes on, If not, the MB could have gotten fried, even though the other plugs seem to work. Hopfully you just need another surge protector as that could have gotten damaged.

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1 Answer

Computer wont start and is showing bootmgr missing how can i fix this


Looks like you have a boot sector virus. The best way to resolve this issue is to reformat your HDD and reinstall the OS.

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