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Troubleshooting serial i/o problems – Dell PowerEdge T605 User Manual

Page 164

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164

Troubleshooting Your System

f

Close the system. See "Closing the System" on page 70.

g

Reconnect the system and peripherals to power and restart.
If the mouse and keyboard are operational, proceed to the next step.

If the mouse and keyboard are still not operational, see "Getting Help"
on page 205.

h

Repeat step a through step c.

i

Set the NVRAM_CLR jumper to the default position (see Table 6-2).

j

Install the expansion card shroud. See "Installing the Expansion Card
Shroud" on page 75.

k

Close the system. See "Closing the System" on page 70.

l

Reconnect the system and peripherals to power and restart.

m

Enter the System Setup program and reenter any custom BIOS
settings that were reset. Be sure to leave all USB ports enabled.

Troubleshooting Serial I/O Problems

Problem

Error message indicates a problem with a serial port.

Device connected to a serial port is not operating properly.

Action

1 Enter the System Setup program and ensure that the serial port is enabled

and configured correctly for your program. See "Entering the System Setup
Program" on page 43.

2 If the problem is confined to a particular program, see the program

documentation for specific port configuration requirements that the
program may require.

3 Run the appropriate online diagnostic test. See "Running the System

Diagnostics" on page 193.
If the tests run successfully but the problem persists, see "Troubleshooting
a USB Device" on page 165.