LBA instead of LARGE - ntldr missing?

L

louloizides

When I originally installed my lard drive, I had the mode in the bios
set to Large instead of LBA by mistake. Now I want to set it to LBA,
but when I do this I always get an error upon booting that says "NTLDR
is missing". This seems to only be a problem with the bootsector
because when I boot off of a disk I can read everything on the drive
just fine (I kept it FAT32). Is there a way to convert the bootsector
so that ntldr works ok?
 
P

Pegasus \(MVP\)

When I originally installed my lard drive, I had the mode in the bios
set to Large instead of LBA by mistake. Now I want to set it to LBA,
but when I do this I always get an error upon booting that says "NTLDR
is missing". This seems to only be a problem with the bootsector
because when I boot off of a disk I can read everything on the drive
just fine (I kept it FAT32). Is there a way to convert the bootsector
so that ntldr works ok?

If you formatted your disk under the Large geometry settings
then you must leave it at this setting. If you changed it and
managed somehow to write to the disk then you would
most likely corrupt the file system. The file ntldr is only the
tip of the iceberg!
 
P

Plato

Pegasus said:
If you formatted your disk under the Large geometry settings
then you must leave it at this setting. If you changed it and
managed somehow to write to the disk then you would
most likely corrupt the file system. The file ntldr is only the
tip of the iceberg!

Quite true. By habit anytime I even go to unscrew the cover of anybodies
case I first check the hard drive settings. This is even more important
on older pcs, as most of the new ones just have AUTO on each hard drive
line and it does the right thing.

The point is, anytime you play around mechanically with a pc it could go
to default cmos settings, which does happen still on occasion when
putting in ram or changing cards. With older pcs in addition to the
LBA/Normal
mode setting I also record the cyl/heads/sectors.

One can even go as far as recording the serial port on/off settings or
others, that may go to default when working on the insides of a pc if
the bios gets reset to defaults. Also a good idea to do before you
flash.
 

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