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Hard Disk Problems
If you have problems with your hard disk when you first start to
use it, make sure it has been set up properly. First check to see if
you can boot from the hard disk.
1. Can you boot from your hard disk? You may be missing one
of the MS-DOS system files needed to boot from the hard
disk. Turn off your computer. Insert a working copy of the
MS-DOS system diskette into drive A and turn your
computer on to boot from the diskette. Then log on to
your hard disk drive and make sure you have the file
COMMAND.COM in the root directory of your hard disk.
If not, use the COPY command to copy COMMAND.COM
from the diskette to the hard disk, and then restart your
system. If you do, use the COMP command to compare the
COMMAND.COM file on your diskette with the
COMMAND.COM file on your hard disk.
2.
If COMMAND.COM is okay, you may be missing
IBMBIO.COM or IBMDOS.COM from the root directory
of your hard disk (these two files are hidden files that do
not
display when you list the files in the root directory
using the DIR command). To copy these system files from
your MS-DOS system diskette to the root directory of the
hard disk, log on to the diskette drive, type the following
command, and press
Enter:
SYS C:
3. If you can boot from a diskette, but cannot access data
stored on your hard disk, you may have accidentally re-
partitioned or reformatted part or all of the disk. Use the
FDISK program to see if your hard disk has a bootable
(active) DOS partition on it. If it doesn’t, use FDISK to
create one. If it does have a bootable DOS partition, then
try reformatting your hard disk using FORMAT or
SELECT. Reformatting destroys all the data currently on
your hard disk, so do this only after careful consideration.
Troubleshooting 5-5