HP Vectra VE 5/series 2 - Manual (Page 76)

If You Cannot Use Any Video Resolution Higher Than 640 X 480
If you cannot select a video resolution higher than 640 X 480, you should clear the contents of
the CMOS memory.
To clear the configuration:
1 Switch off the PC and remove the cover (refer to chapter 3 for instructions).
2 Set the system board switch 1 (CONFG) on the switch block to ON to clear the
configuration from the CMOS memory (refer to "System Board Switches" in chapter 5 for
the switch location).
3 Switch on the PC to erase the CMOS memory.
4 Check that error codes 0240 and 0130 are displayed by the Error Message Utility, and wait
until the PC has started.
5 Switch off the PC.
6 Set the system board switch 1 (CONFG) on the switch block to OFF to re-enable the
configuration.
7 Replace the cover (refer to chapter 3).
8 Switch on the PC and run Setup by pressing [F2] when appears. (Error code
0130 will appear when the PC starts.)
9 Press [F3] to save the configuration and exit from Setup.
IF YOUR KEYBOARD OR MOUSE DOES NOT WORK
1 Ensure that the keyboard or mouse is correctly connected.
2 Ensure that the mouse driver supplied with the preloaded software is installed correctly.
(Choose a Logitech™ mouse driver for your operating system.)
3 Clean the mouse ball and rollers as shown in the figure below (use a non-residual contact
cleaner).