Troubleshooting A Serial I/O Device; Troubleshooting A Usb Device - Dell PowerEdge 6600 Installation And Troubleshooting Manual

Troubleshooting a Serial I/O Device

Problem
Device connected to the serial port is not working
l
Action
1. Open the front bezel (see "Opening the
2. Turn off the system and any peripheral devices connected to the serial port.
3. Swap the interface cable with a known working cable.
If the problem is resolved, the interface cable must be replaced (see
4. Turn off power to the system and the serial device, and swap the device with a comparable device.
5. Turn on the system and the serial device.
If the problem is resolved, the serial device must be replaced.
If the problem is not resolved, see

Troubleshooting a USB Device

Problem
System error message indicates problem
l
Device connected to the port is not working
l
Action
1. Enter the System Setup program and ensure that the USB ports are enabled (see "Using the System Setup Program" in the User's Guide for
instructions).
2. Open the front bezel (see "Opening the
3. Turn off the system and any USB devices.
If there is only one USB device connected to the system, go to step 6.
4. Disconnect all USB devices, and connect the malfunctioning device to the other USB port.
5. Turn on the system and the reconnected device.
If the problem is resolved, the USB port may be defective (see
6. If possible, swap the interface cable with a known working cable.
If the problem is resolved, the interface cable must be replaced (see
7. Turn off the system and the USB device, and swap the device with a comparable device.
8. Turn on the system and the USB device.
If the problem is resolved, the USB device must be replaced.
If the problem is not resolved, see
Troubleshooting the NICs
Problem
NICs cannot communicate with the network
l
Action
1. Check the appropriate indicator on the NIC connector (see Figure 2-6).
A green indicator shows that the adapter is connected to a valid link partner. A blinking amber indicator shows that network data is being sent or
received.
If the link indicator is not on, check all cable connections.
l
Try changing the auto-negotiation setting, if possible.
l
Try another port on the switch or hub.
l
If you are using a NIC expansion card instead of the integrated NICs, see the documentation for the NIC card.
2. If the indicator does not light, the network driver files might be damaged or deleted. Check the drivers, and remove and reinstall the drivers if
applicable.
You must reboot your system for the reinstalled drivers to become active.
Bezel").
"Getting Help" for instructions on obtaining technical assistance.
Bezel").
"Getting
"Getting Help" for instructions on obtaining technical assistance.
"Getting Help" for instructions on obtaining technical assistance).
Help" for instructions on obtaining technical assistance).
"Getting Help" for instructions on obtaining technical assistance).