system no longer dual-boots

2005-12-26 Thread Tatara



I'm looking for any suggestions about why my home 
pc will no longer dual-boot.
 
Full story is that my pc has 2 disks, first one 
partitioned with Windows 2000, 2nd disk with Fedora Core 4.  2nd disk 
connected to the 1st, and the 1st connected to cpu board.  Dual-boot worked 
fine for many months.
 
Then system crashed, and message appeared during 
reboot "hard drive failure imminent".  Local pc repair guy copied Windows 
disk to a new (larger) disk, and replaced that first disk.
 
However, now system only boots Windows.  There 
no longer is even a prompt to choose between Windows and FC4.
 
Using Knoppix, it appears that both drives are 
physically connected properly, as I can see the /mnt/hda1 (Windows) and 
/mnt/hdb2 (FC4) partitions.
 
I tried re-installing FC4 using my 4 cds, which 
looked promising when right away it gave me the message "The installer is unable 
to detect the boot loader currently in use on your system".
 
However, even clicking the "Create new boot loader 
configuration" button, this message appears after the re-install: "No 
kernel packages were installed on your system. Your boot loader configuration 
will not be changed."
 
It also made no difference for the boot loader 
location if I clicked either "/dev/hda Master Boot Record" or "/dev/hdb1 first 
sector of boot partition".
 
Any advice?
 
Thanks!Eric


Re: system no longer dual-boots

2005-12-26 Thread Jim Kuzdrall
> Local pc repair guy copied Windows disk to a new
> (larger) disk, and replaced that first disk.
>
> However, now system only boots Windows.  There no longer is even a
> prompt to choose between Windows and FC4.
>
It is not a serious problem, but I am not sure enough of the 
procedure to competently advise you.

The repair guy did not copy GRUB into the boot partition of the 
Windows disk.  The Windows boot sector and GRUB can co-exist.  If GRUB 
is there, it gets grabbed first.  It is transparent to Windows, so he 
didn't know it was there.

First get back into Linux somehow.  Will your Fedora CD allow you to 
boot to drive 2?   Alternatively, perhaps Knoppix has everything you 
need.  You didn't make one of the those silly Rescue disks, did you?

Try typing "info grub" in a terminal.  The installation instructions 
are there.  Also look in the RH manuals.  I know that SuSE includes a 
simple script to automate the installation of GRUB.  "Linux in a 
Nutshell"  4th Ed, O"Reilly, has a section on GRUB with a descent 
explanation of the procedure.

If worst comes to worst, I can send you the procedure I wrote for 
myself the last time that happened here.  I don't know how much sense 
it will make to anyone else, but you are welcome to it.

Jim Kuzdrall 
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Re: system no longer dual-boots

2005-12-27 Thread Neil Schelly
>> Local pc repair guy copied Windows disk to a new
>> (larger) disk, and replaced that first disk.
>>
>> However, now system only boots Windows.  There no longer is even a
>> prompt to choose between Windows and FC4.
>>
> It is not a serious problem, but I am not sure enough of the
> procedure to competently advise you.

That explanation covers the gist of it.  For a more detailed bit of help
with Knoppix, I have the Knoppix Pocket Reference, which is essentially a
trimmed down version of Knoppix Hacks.  It includes a specific fwe pages
about repairing LILO and GRUB boot loader problems like this, effectively
telling you line by line how to re-install each of them.

If you want to see/borrow it, let me know.  Otherwise, for $10, it comes
in handy a good deal.
-N
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