User guide

2-6 Sun Fire X2100 Server User Guide • April 2007
No video is
displayed on the
monitor screen.
Check the following:
• Is the cable connected to the video connector?
• Is the monitor power cord connected to the power outlet?
• Does the wall outlet have power? Test it by connecting another
device.
• Is the video card seated correctly in its connector?
• Are the internal cables properly connected to the video card?
• Does the monitor work when connected to another system.
• If you have another monitor, does it work when connected to the
original system?
• Verify that the BIOS settings are correct.
External device is
not working.
• Check the documentation that came with the device to see if any
device drivers must be installed.
• Ensure that the cables for the external device are firmly connected
and that the pins in the cable and connector are not bent.
• Power off the system, reattach the external device, and power on
the system.
Newly installed
memory is not
detected.
• Make sure that the memory is properly seated on the DIMM
sockets.
For information removing and replacing DIMMs, see Section 4.5.9,
“Dual Inline Memory Modules” on page 4-30
• Move the memory to the other DIMM socket to determine
whether the socket is defective.
• Make sure that you are using 512 MB or 1 GB DDR 400 SDRAM
modules with 3.05 cm max. height.
• Make sure that the memory is installed in pairs.
TABLE 2-1 Troubleshooting Procedures (Continued)
Problem Possible solution