HP Pro 3500 Maintenance And Service Manual page 159

Cannot format diskette.
Cause
Invalid media reported.
Disk may be write-protected.
Legacy diskette writes are disabled in Computer Setup.
A problem has occurred with a disk transaction.
Cause
The directory structure is bad, or there is a problem with a
file.
Diskette drive cannot read a diskette.
Cause
You are using the wrong diskette type for the drive type.
You are reading the wrong drive.
Diskette is damaged.
"Invalid system disk" message is displayed.
Cause
A diskette that does not contain the system files needed to
start the computer has been inserted in the drive.
Diskette error has occurred.
Cannot Boot to Diskette.
Cause
Diskette is not bootable.
Solution
When formatting a disk in MS-DOS, you may need to specify
diskette capacity. For example, to format a 1.44-MB diskette,
type the following command at the MS-DOS prompt:
FORMAT A: /F:1440
Open the locking device on the diskette.
Enter Computer Setup and enable Legacy Diskette Write in
Storage > Storage Options.
Solution
Right-click Start, click Explore, and right-click on a drive.
Select Properties then select the Tools tab. Under Error-
checking click Check Now.
Solution
Check the type of drive that you are using and use the
correct diskette type.
Check the drive letter in the path statement.
Replace the diskette with a new one.
Solution
When drive activity stops, remove the diskette and press the
Spacebar. The computer should start up.
Restart the computer by pressing the power button.
Solution
Replace with a bootable diskette.
Solving Diskette Problems 149