Troubleshooting - Sun Microsystems Ultra 80 Guide D'installation

Troubleshooting

If you experience problems while setting up your system for the first time, refer to
the troubleshooting information in the following table. If the problem persists, see
"How to Get Technical Assistance" on page en-15.
Problem
System does not power on
when the front panel power
switch is pressed.
System does not power on
when the keyboard Power
key is pressed.
System powers on, monitor
does not.
System and monitor power
on, but no video displays on
the monitor screen.
Keyboard or mouse does not
respond to actions.
An installed hard drive or
peripheral drive is not
recognized by the system
after power on.
Installed memory is not
recognized by the system
after power on.
en-14
Solution
1) Verify the system power cord is connected to the system and a wall outlet.
2) Verify there is power to the wall outlet.
3) Verify that the system cover is fully closed.
1) Verify the keyboard cable is attached to the system keyboard connector.
2) Verify the system power cord is connected to the system and a wall outlet.
3) Verify there is power to the wall outlet.
4) Verify that the system cover is fully closed.
1) Verify the monitor power cord is connected to a wall outlet.
2) Verify there is power to the wall outlet.
1) Verify the monitor cable is attached to the system motherboard or optional
graphics card.
1) Verify the mouse cable is attached to the keyboard.
2) Verify the keyboard cable is attached to the system keyboard connector.
3) Verify that the system is powered on.
1) Power off the system, remove the access panel, and attach an antistatic
wrist strap as described in "Preparing for Installation" on page en-5.
2) Verify that all power and data cables are firmly attached to the drive.
3) Close and power on the system as described in "Finishing the Installation"
on page en-13.
4) Reboot your system with the command:
1) Power off the system, remove the access panel, and attach an antistatic
wrist strap as described in "Preparing for Installation" on page en-5.
2) Verify that the memory riser assembly is firmly and evenly tightened
down into the motherboard connector. See "Installing Additional Memory"
on page en-7 for more information.
3) Verify that each DIMM bank contains DIMMs of the same density.
4) Close and power on the system as described in "Finishing the Installation"
on page en-13.
boot -r