Micron Electronics, Inc. 4-9
Chapter 4: Common Problems
Hard Disk Problems
Problem
System has to be booted from a floppy disk. Hard drive is either
unrecognized or unreadable.
Possible Cause
o The connections between the drive and the controller may be
defective or loose.
o The hard drive’s root directory or file allocation table may be
corrupted. The controller or hard drive may also be defective.
Solution Checklist
o Check that the hard drive and controller are connected properly.
o If hard drive recovery software is available, use it to repair the
damage. The only other solution is to attempt a high-level (DOS)
format on the drive.
Do not attempt to low-level format the drive!
If the drive cannot be formatted, either the drive or the controller
may be defective. Contact Micron technical support.
Problem
System has to be booted from a floppy disk. Hard disk is completely
functional, but cannot be used for boot-up.
Possible Cause
o The hard drive’s boot sector may be corrupted.
Solution Checklist
o If hard drive recovery software is available, attempt to use it to
repair the damaged boot sector. The only other solution is to
attempt a high-level (DOS) format on the drive and transfer the
DOS system to the boot sector.
Do not attempt to low-level format the drive!
Backup your data before formatting your drive.
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