HP LH4r HP Netserver LPr Installation Guide - Page 112

The Keyboard or Mouse Does Not Work

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Chapter 13 Troubleshooting ◊ Check that the display video cable is securely connected to the computer. ◊ Turn off the display and computer and unplug them from the power outlet. Disconnect the video cable from the computer and examine the video cable connector pins to see if they are bent. If they are, carefully straighten them. Reconnect the video cable and all power cords, and turn on the display and computer. ◊ If you have manually configured any accessories, verify that none use the same I/O address as the integrated video interface (03B0h to 03DFh). Refer to the documentation supplied with the accessories you configured for more information. • Display image does not align with the screen (usually after you have changed the resolution). Use the display's controls to center the image. Refer to the display's manual for information about the controls. • Screens generated by the applications do not look right. Check the application manual to find out which video standard is required. • Screen goes blank after the HP NetServer has booted. Contact your HP support organization. • Screen is blank. Video blanking may be enabled. Type the password to disable video blanking. • Video board. If installed in an accessory slot, contact the manufacturer of the video board. The Keyboard or Mouse Does Not Work • Check that the keyboard and mouse are connected to the correct sockets. Refer to the I/O panel label on the rear panel of the HP NetServer. • For a mouse error, check that the mouse is configured correctly in the Pointing Devices submenu under the Integrated I/O Ports submenu under the Configuration menu in the Setup utility. • If the screen is blank and the password is enabled, type the password. • Clean the mouse ball and rollers by using a lint-free cloth. • If the screen is blank, video blanking may be enabled. Type the password to disable video blanking. 104

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Chapter 13
Troubleshooting
104
◊
Check that the display video cable is securely connected to the
computer.
◊
Turn off the display and computer and unplug them from the power
outlet. Disconnect the video cable from the computer and examine the
video cable connector pins to see if they are bent. If they are, carefully
straighten them. Reconnect the video cable and all power cords, and
turn on the display and computer.
◊
If you have manually configured any accessories, verify that none use
the same I/O address as the integrated video interface (03B0h to
03DFh). Refer to the documentation supplied with the accessories you
configured for more information.
•
Display image does not align with the screen (usually after you have
changed the resolution). Use the display’s controls to center the image.
Refer to the display’s manual for information about the controls.
•
Screens generated by the applications do not look right. Check the
application manual to find out which video standard is required.
•
Screen goes blank after the HP NetServer has booted. Contact your HP
support organization.
•
Screen is blank. Video blanking may be enabled. Type the password to
disable video blanking.
•
Video board. If installed in an accessory slot, contact the manufacturer of
the video board.
The Keyboard or Mouse Does Not Work
•
Check that the keyboard and mouse are connected to the correct sockets.
Refer to the I/O panel label on the rear panel of the HP NetServer.
•
For a mouse error, check that the mouse is configured correctly in the
Pointing Devices submenu under the Integrated I/O Ports submenu under
the Configuration menu in the Setup utility.
•
If the screen is blank and the password is enabled, type the password.
•
Clean the mouse ball and rollers by using a lint-free cloth.
•
If the screen is blank, video blanking may be enabled. Type the password
to disable video blanking.