HP 5850 - Deskjet Color Inkjet Printer Reference Manual page 204

Table D-3 Solving Diskette Problems (continued)
Cannot Boot to Diskette.
Cause
Diskette boot has been disabled in Computer Setup.
Network server mode is enabled in Computer Setup.
192 Appendix D Troubleshooting Without Diagnostics
Solution
1. Run Computer Setup and enable diskette boot in
Storage > Boot Order.
2. Run Computer Setup and enable diskette boot in
Storage > Storage Options > Removable Media
Boot.
NOTE: Both steps should be used as the Removable Media
Boot function in Computer Setup overrides the Boot Order
enable command.
Run Computer Setup and disable Network Server Mode in
Security > Password Options.