Dell T105 Computer Hardware User Manual


 
Troubleshooting Your System 123
8
If you have a SAS RAID controller, ensure that the following RAID
components are properly installed and connected:
Memory module
Battery
9
Verify that the cable connections between the hard drives and the SAS
controller are correct. See "Hard Drives" on page 64.
Ensure that the cables are firmly connected to the SAS controller and the
hard drives.
10
Close the system. See "Closing the System" on page 47.
11
Reconnect the system to its electrical outlet, and turn on the system and
attached peripherals. If the problem persists,
see "Getting Help
" on
page 137
.
Troubleshooting Expansion Cards
NOTE: When troubleshooting an expansion card, see the documentation for your
operating system and the expansion card.
Problem
Error message indicates a problem with an expansion card.
Expansion card performs incorrectly or not at all.
Action
CAUTION: Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. Before performing any
procedure, see your Product Information Guide for complete information about
safety precautions, working inside the computer and protecting against
electrostatic discharge.
1
Run the appropriate online diagnostic test for the expansion card which is
exhibiting issues. See "Using Dell PowerEdge Diagnostics" on page 127.
Follow any recommended actions provided by the diagnostics. If the
problem persists, go to the next step.
2
Open or remove the bezel. See "Removing the Bezel" on page 95.
3
Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
book.book Page 123 Wednesday, April 15, 2009 8:47 PM