SOURCE: problem with a disk read error
There are a couple of possibilities.
1. The hard drive is defective.
2. The operating system is corrupt.
The easiest way to test this is to run the restore cd that came with the computer to reload Windows.
If you get this error while running the restore cd then you will need to get a new hard drive.
SOURCE: BOOTMGR is missing
This error can be corrected by reloading your Laptop's Operating System from the Restore disks you got with your computer. Place your Restore disk into the drive and restart the computer. The install will re-create the missing Boot Manager.
SOURCE: My acer Aspire One is
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If your Windows Vista computer has encountered the dreaded "BOOTMGR is
missing" error, you aren't alone. If the problem isn't hardware related you can
fix it with relative ease as long as you have a Windows Vista DVD handy.
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If you don't have one, you can create a Windows Vista repair disk follow the
steps,you can do that by using NERO or IMAGEburn,then click on browse for a file buttom and select the file
Put a blank cd in the drive and then click the write button
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now you have recovery cd.
HOW TO RUN REPAIR
BOOT FROM WINDOWS VISTA DVD
YOU CAN SELECT REPAIR FROM THE LIST ON THE LEFT
IT WILL TRY TO FIND INSTALLATION DVD DIRECTORY,IF THERE IS MORE THAN ONE SELECT THE CORRECT ONE AND PRESS THE NEXT BUTTON
CLICK ON THE FIRST OPTION START REPAIR
IT WILL START REPAIRING AND AT THE END YOU WILL BE GETTING PROMPT TO RESTART THE COMPUTER
ALTERNATIVELY YOU COULD CHOOSE COMMAND PROMPT WRITE bootrec /fixboot
ONCE YOU WILL SEE :The operation completed successfully type exit and press enter take out the cd and restart the computer.
ENJOY! EVERYTHING WILL BE WORKING OK
SOURCE: as soon as computer is
There are a number of possible causes for BOOTMGR errors, including the most common "BOOTMGR is missing" error message.
The most common reasons for BOOTMGR errors include corrupt and misconfigured files, hard drive and operating system upgrade issues, corrupt hard drive sectors, an outdated BIOS, and damaged or loose IDE cables.
i strongly suggest formatting your hard disk drive, and reinstalling the recovery CDs
if you dont have them, get Dell to send them to you -- it will cost you money
SOURCE: NTLDR is missing Press Ctrl Alt Del to restart
In my experience, NTLDR is usually caused by a failing hard drive, however sometimes other factors are at fault.
There are various fixes for the different operating systems that Microsoft offers. Since you don't state your operating system I'd say start here and read.
http://www.proposedsolution.com/solutions/ntldr-is-missing-press-ctrl-alt-del-to-restart-2/
Then there's always microsoft's take on it here:
http://support.microsoft.com/kb/320397
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