About Your System 19
Data error The diskette drive or hard 
drive cannot read the data.
For the operating system, 
run the appropriate utility 
to check the file structure 
of the diskette drive or hard 
drive.
See your operating system 
documentation for 
information on running 
these utilities.
Decreasing 
available memory
One or more memory 
modules might be 
improperly seated or faulty.
Reinstall the memory 
modules and, if necessary, 
replace them. See 
"Memory" on page 76.
See "Troubleshooting 
System Memory" on 
page 118.
Diskette read 
failure
Faulty or improperly 
inserted diskette.
Replace the diskette.
Diskette subsystem 
reset failed
Faulty diskette drive or 
optical drive controller.
Ensure that the diskette 
drive and optical drive 
cables are properly 
connected. See 
"Troubleshooting a USB 
Device" on page 110 and 
"Troubleshooting an 
Optical Drive" on page 122. 
If the problem persists, see 
"Getting Help" on 
page 141.
Drive not ready Diskette missing or 
improperly inserted in 
diskette drive.
Reinsert or replace the 
diskette.
Table 1-6. System Messages (continued)
Message Causes Corrective Actions
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