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Error 21 Boot Problem


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#1 Shevie

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Posted 21 February 2009 - 07:42 PM

Hello BC. I am having trouble booting up my computer. When I would restart, it would say, "Grub loading..Error 21." Leaving me stuck at that place. Thing is, when my external hard drive is connected, somehow it would start up and give me the options of Windows Professional, Windows XP Home etc. Since I run on XP Home Edition, after i click it i would usually get the option of Windows XP or Windows Recovery but that option isn't given anymore and it just starts upw ith the Windows XP boot screen and continues to start up.

I have been doing a lot of reading including> http://www.bleepingcomputer.com/tutorials/how-to-install-the-windows-xp-recovery-console/
But since I don't have the CD, I cant access recovery mode and I don't have the option to select it.( Which before I did have.)
I am sure the problem lies with

"MBR
Invalid Partition Table
Missing Operating System
Error Loading Operating System
- Disk Diagnostic
- CHKDSK /F /R
- fixmbr (try to boot)"

Also, I have Ubunto on my startup list and I am planning to remove that. Before I installed Ubunto I did not have a selection list, my computer would always start up as Home Edition. Hope I made it as clear as possible.

Error 21. I have Recovery Mode but cant access it at start up. Also the External Hard-drive issue. Cant say I know why it only starts up if its on. Help is appreciated.

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#2 usasma

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Posted 21 February 2009 - 08:34 PM

A grub error usually has to do with a Linux (like Ubuntu) boot manager. As such I'm going to move this over to the Linux forum.
My browser caused a flood of traffic, sio my IP address was banned. Hope to fix it soon. Will get back to posting as soon as Im able.

- John  (my website: http://www.carrona.org/ )**If you need a more detailed explanation, please ask for it. I have the Knack. **  If I haven't replied in 48 hours, please send me a message. My eye problems have recently increased and I'm having difficult reading posts. (23 Nov 2017)FYI - I am completely blind in the right eye and ~30% blind in the left eye.<p>If the eye problems get worse suddenly, I may not be able to respond.If that's the case and help is needed, please PM a staff member for assistance.

#3 Shevie

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Posted 23 February 2009 - 12:15 AM

Problem fixed. managed to mount XP recovery on CD and boot up from there. Ran Repair and fixed the mbr and its smooth sailing. You can close thread if necessary.

#4 usasma

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Posted 24 February 2009 - 08:20 AM

Thanks for letting us know the resolution. I'm sure it'll help others who come searching for help with the same problem.
My browser caused a flood of traffic, sio my IP address was banned. Hope to fix it soon. Will get back to posting as soon as Im able.

- John  (my website: http://www.carrona.org/ )**If you need a more detailed explanation, please ask for it. I have the Knack. **  If I haven't replied in 48 hours, please send me a message. My eye problems have recently increased and I'm having difficult reading posts. (23 Nov 2017)FYI - I am completely blind in the right eye and ~30% blind in the left eye.<p>If the eye problems get worse suddenly, I may not be able to respond.If that's the case and help is needed, please PM a staff member for assistance.




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