Commodore PC 20 - Page 406

\268 MS-DOS User's Reference
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FeB unavailable
General failure error
• An unusual error bas occurred Tbis error usually requires an
experienced programmer to fix it
Choose R (for Retry) or A (for Abort).
Invalid disk change error
• You cbanged tbe disk in a drive wben you weren't sup·
posed
to.
Put the disk back in the drive and choose R (for Retry).
Lock violation error
• A program tried to access part of a file tbat anotber program
was using.
Choose A (for Abort), or wait awhile and choose R (for Retry).
No paper error
• Tbe printer is eitber out of paper or not turned on
Non-DOS disk error
• MS·DOS does not recognize tbe disk format because tbe disk is
missing information
or contains anotber operating system. I
Try running the chkdsk command to correct the problem. L
(See Chapter 3, "MS·DOS Commands," for information about
chkdsk) If running chkdsk does not solve the problem, you
should reformat the disk by using the format command - even I
though this will destroy all the files on the disk. L
Not ready error
• Tbe device (usually a drive or printer) specified in tbe error C
message is not ready to accept or transmit data
This often happens when the disk drive door is open. If this is
the problem, close the door and choose R (for Retry), or check .---
to see if the printer is on and ready. L
Read fault error
• MS·DOS is unable to read data from tbe device (usually a disk
drive).
Check to see that the disk is properly inserted in the drive,
then choose R (for Retry).
Sector not found error
• Tbis error usually means tbe disk bas a defective spot so tbat
MS·DOS cannot find tbe requested information on it L
You should copy all files from the disk onto a good disk and
then try to reformat the defective disk.