Troubleshooting A Serial I/O Device; Troubleshooting A Nic - Dell PowerEdge R530 Owner's Manual

3. If the problem is resolved, restart the system, enter the System Setup, and check if the non-
functioning USB ports are enabled.
Check if USB 3.0 is enabled in System Setup. If enabled, disable it and see if the issue is resolved
(older operating systems may not support USB 3.0).
4. In the IDRAC Settings Utility, ensure the USB Management Port Mode is configured as Automatic or
Standard OS Use.
5. Replace the keyboard/mouse with a working keyboard/mouse.
If the problem is not resolved, proceed to the next step to begin troubleshooting other USB devices
attached to the system.
6. Power down all attached USB devices and disconnect them from the system.
7. Restart the system and, if your keyboard is functioning, enter the System Setup.
8. Verify that all USB ports are enabled on the Integrated Devices screen, in the System Setup options.
9. Check if USB 3.0 is enabled in System Setup. If it is enabled, disable it and restart your system.
If your keyboard is not functioning, you can also use remote access.
10. If the system is not accessible, reset the NVRAM_CLR jumper inside your system and restore the
BIOS to the default settings.
11. In the IDRAC Settings Utility, ensure the USB Management Port Mode is configured as Automatic or
Standard OS Use.
12. Reconnect and power on each USB device one at a time.
13. If a USB device causes the same problem, power down the device, replace the USB cable with a
known good cable, and power up the device.
Next steps
If all troubleshooting fails, see

Troubleshooting a serial I/O device

Steps
1. Turn off the system and any peripheral devices connected to the serial port.
2. Swap the serial interface cable with a working cable, and turn on the system and the serial device.
If the problem is resolved, replace the interface cable with a known good cable.
3. Turn off the system and the serial device, and swap the device with a comparable device.
4. Turn on the system and the serial device.
Next steps
If the problem persists, see

Troubleshooting a NIC

Steps
1. Run the appropriate diagnostic test. See
2. Reboot the system and check for any system messages pertaining to the NIC controller.
3. Check the appropriate indicator on the NIC connector:
• If the link indicator does not light, check all cable connections.
• If the activity indicator does not light, the network driver files might be damaged or missing.
Getting Help.
Getting Help.
Using System Diagnostics for available diagnostic tests.
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