Dell PowerEdge 4350 Dell PowerEdge 4350 Systems Installation and Troubleshooti - Page 78

Serial Port 1, Serial Port 2, allel Port, Mouse, Parallel Port

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6-4
Dell PowerEdge
4350 Systems Installation and Troubleshooting Guide
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This section provides a procedure for troubleshooting the ports on the computer±s I/O
panel and the equipment connected to them, such as a printer, scanner, or other
peripheral device.
You can also use this procedure to test I/O ports on expansion cards. However, you
should first complete the procedures in ²Troubleshooting Expansion Cards³ in Chap-
ter 7 to verify that the card is configured and installed correctly.
If a system error message indicates a port problem or if equipment connected to a
port seems to perform incorrectly or not at all, the problem may stem from any of the
following sources:
²
A faulty connection between the I/O port and the peripheral device
²
A faulty cable between the I/O port and the peripheral device
²
A faulty peripheral device
²
Incorrect settings in the System Setup program
²
Incorrect settings in the system±s configuration files
²
Faulty I/O port logic on the system board
NOTE: With certain modems installed, subtests in the Serial Port
test group may fail
because the modem appears to the diagnostics as a serial port but it cannot be tested
as a serial port. If you have a modem installed and you experience a serial-port test
failure, remove the modem and run the diagnostic tests again.
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This procedure determines whether the computer±s basic I/O functions are opera-
tional. If a system error message indicates an I/O port problem or the device
connected to the port does not function properly, follow these steps:
1.
Enter the System Setup program, and check the
Serial Port 1
,
Serial Port 2
,
Par-
allel Port
, and
Mouse
settings.
Are the communications ports set to
Auto
, and is
Mouse
set to
On
?
Yes.
Go to step 3.
No.
Go to step 2.
2.
Change the
Serial Port 1
,
Serial Port 2
, and
Parallel Port
settings to
Auto
, and
change the
Mouse
setting to
On
; then reboot the system.
Is the problem resolved?
Yes.
You have fixed the problem.
No.
Go to step 3.