Diagnostics passes, but the computer does not communicate with the network
...........................
68
Network controller stopped working when an expansion board was added to the computer
.......
68
Network controller stops working without apparent cause
.............................................................
68
Cannot connect to network server when attempting remote system installation
..........................
69
System setup utility reports unprogrammed EEPROM
....................................................................
69
Solving memory problems
..................................................................................................................................
69
System will not boot or does not function properly after installing additional memory
modules
.............................................................................................................................................
69
Out of memory error
.........................................................................................................................
70
Memory count during POST is wrong
................................................................................................
70
Insufficient
memory error during operation.
....................................................................................
70
Power light blinks red
five
times followed by a two-second pause and the computer beeps
five
times (Beeps stop after
fifth
iteration but lights continue blinking)
.........................................
70
Solving USB
flash
drive problems
........................................................................................................................
71
USB
flash
drive is not seen as a drive letter in Windows
..................................................................
71
USB
flash
drive not found
(identified)
...............................................................................................
71
System will not boot from USB
flash
drive
.......................................................................................
71
The computer boots to DOS after making a bootable
flash
drive
....................................................
71
Solving internet access problems
.......................................................................................................................
72
Unable to connect to the internet
.....................................................................................................
72
Cannot automatically launch internet programs
.............................................................................
72
Solving software problems
..................................................................................................................................
72
Computer will not start up and the HP logo does not appear
..........................................................
73
“Illegal Operation has Occurred” error message is displayed
..........................................................
73
6
Computer Setup (F10) Utility
........................................................................................................................
74
Using Computer Setup (F10) Utilities
..................................................................................................................
74
Computer Setup—Main
.......................................................................................................................................
75
Computer Setup—Security
.................................................................................................................................
77
Computer Setup—Advanced
...............................................................................................................................
81
7
POST error messages
...................................................................................................................................
87
POST numeric codes and text messages
.............................................................................................................
87
Interpreting system validation diagnostic front panel LEDs and audible codes
................................................
92
8
Password security and resetting CMOS
..........................................................................................................
95
Changing a setup or power-on password
...........................................................................................................
95
Deleting a setup or power-on password
.............................................................................................................
95
viii