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cunvegas 12-06-2010 07:24 PM

10.04 erase partition. Result: error: unknown filesystem grub rescue>
 
I have Win XP and Ubuntu 10.04 dual boot.

I was trying to uninstall Ubuntu. Instead I removed the partition and the result is:

error: unknown filesystem
grub rescue>

I tried to boot from a 10.04 and 10.10 Ubuntu CD and I get the same error message.

Please help.

Thanks

TobiSGD 12-06-2010 08:15 PM

With deleting the Ubuntu partition you deleted a part of the bootloader. There are two ways to fix that:
1. Install a Linux distribution, any will do it.
2. Boot from your XP install disc, go to the recovery console and do
Code:

fixmbr
then reboot and Windows should load.

Quote:

I tried to boot from a 10.04 and 10.10 Ubuntu CD and I get the same error message.
Then you are actually not booting from the CD. Have you set up your BIOS to boot from CD?

EDDY1 12-06-2010 08:38 PM

What are using a laptop or desktop?
What model?

cunvegas 12-07-2010 08:31 AM

Restore HP Pavilion dv5000 to Win XP and Ubuntu.
 
1. I tried to install a Ubuntu 10.04 LTS and Ubuntu 10.10 distribution (download) and received the same error.

2. I will look for a Win XP install disc. Do you have any suggestions where to get one?

3. I am using a laptop from HP Pavilion dv5000.

Thanks in advance.

TobiSGD 12-07-2010 09:26 AM

1. After or before the install. If before, what I am assuming, you are actually not booting from the CD. Setup your BIOS to boot from CD first.
2. If you have not get one with your laptop, I think you should ask HP for one. Or may be you can borrow one from a friend.

cunvegas 12-07-2010 01:14 PM

boot from CD
 
Originally, I hit F2 to go into the BIOS to boot from CD. BIOS will place an ! in front of the CD drive, then the next in order is the hard drive.

I tried to boot from a 10.04 LTS and a 10.10 distro CD and got the same error message.

What do you think?

TobiSGD 12-07-2010 02:53 PM

Sometimes a ! before anything in the computer world means to not do the thing it is put in front of. Can you toggle it off and nonetheless put the CD drive before the harddisk? Better would be if you have a key at boottime which will let you select the drive to boot from, for example on my HP laptop it is F9 and on my desktop PC it is F12.

cunvegas 12-07-2010 07:28 PM

My mistake TobiSGD. During boot up, the laptop gives you the option to press the <esc> key to change Boot order
1. ATAPI CD-ROM Drive
2. + Hard Drive
2. Floppy Diskette Drive
3. Network Adaptor

<Enter Setup>

Apparently the ! enables or disables the device. You do this by highlighting the CD-ROM then pressing the Shift key + 1. I removed the ! and this enables the CD-ROM.

I inserted the 10.10 and 10.04 in the CD-ROM and got the same error. I know the CD's work because I booted them on another good laptop.

(F10) PhoenixBIOS Setup Utility and (F12) Boot from LAN.

Then the laptop goes to same error.

EDDY1 12-08-2010 01:49 AM

Maybe this will help:

http://bizsupport1.austin.hp.com/biz...ctID=c01612373


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