HP dx7500 - Microtower PC Service & Reference Manual page 166

Table C-3 Solving Diskette Problems (continued)
Cannot format diskette.
Cause
Invalid media reported.
Disk may be write-protected.
A problem has occurred with a disk transaction.
Cause
The directory structure is bad, or there is a problem with a file. In Microsoft Windows XP, right-click Start, click Explore, and
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.
Diskette boot has been disabled in Computer Setup.
156 Appendix C Troubleshooting Without Diagnostics
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.
Solution
select a drive. Select File > Properties > Tools. Under Error-
checking, click Check Now.
In Microsoft Windows Vista, 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.
1. Run Computer Setup and change the removable media
boot priority in Boot > Boot Device Priority > Floppy
Group Boot Priority.
2. Run Computer Setup and change diskette boot priority
in Boot > Boot Device Priority.