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DR Series DR4300 - Owner's Manual

DR4300 system overview Technical specifications Initial system setup and configuration Pre-operating system management applications
Options to manage the pre-operating system applications System Setup Dell Lifecycle Controller Boot Manager PXE boot
Installing and removing system components
Safety instructions Before working inside your system After working inside your system Recommended tools Front bezel (optional) System cover Cooling shroud Cooling fans Cooling-fan assembly System memory Processors and heat sinks PCIe card holder Cable retention bracket Integrated storage controller card Expansion cards and expansion card riser Internal dual SD module (optional) Network daughter card Internal USB memory key (optional) System battery Power supply units (PSU) System board Trusted Platform Module Hard drives Hard drive backplane SD vFlash card (optional) Control panel assembly
Using system diagnostics Jumpers and connectors Troubleshooting your system

Troubleshooting iDRAC Direct (Laptop connection)

For information about USB laptop connection and server configuration, see the Integrated Dell Remote Access Controller User's Guide at Dell.com/idracmanuals.

1.
Ensure that your laptop is connected to the front USB Management Port, identified by front USB Management Port icon with a USB Type A/A cable.
2.
On the iDRAC Settings Utility screen, ensure that USB Management Port Mode is configured as Automatic or iDRAC Direct Only.
3.
If the laptop is running Windows operating system, ensure that the iDRAC Virtual USB NIC device driver is installed.
4.
If the driver is installed, ensure that you are not connected to any network through WiFi or cabled ethernet, as iDRAC Direct uses a non-routable address.

If all troubleshooting fails, see the Getting help section.

Related references 
Getting help

Troubleshooting a serial I/O device

1.
Turn off the system and any peripheral devices connected to the serial port.
2.
Swap the serial interface cable with a known working cable, and turn on the system and the serial device.

If the problem is resolved, replace the interface cable with a known working cable.

3.
Turn off the system and the serial device, and swap the serial device with a compatible device.
4.
Turn on the system and the serial device.

If the problem persists, see the Getting help section.

Related references 
Getting help

Troubleshooting a NIC

1.
Run the appropriate diagnostic test. For more information, see the Using system diagnostics section for the available diagnostic tests.
2.
Restart 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 glow, the cable connected might be disengaged.
◦
If the activity indicator does not glow, the network driver files might be damaged or missing.

• Install or replace the drivers as necessary. For more information, see the NIC documentation.

◦
Try another known good network cable.
◦
If the problem persists, use another connector on the switch or hub.
4.
Ensure that the appropriate drivers are installed and the protocols are bound. For more information, see the NIC documentation.
5.
Enter System Setup and confirm that the NIC ports are enabled on the Integrated Devices screen.
6.
Ensure that all the NICs, hubs, and switches on the network are set to the same data transmission speed and duplex. For more information, see the documentation for each network device.
7.
Ensure that all network cables are of the proper type and do not exceed the maximum length.

If the problem persists, see the Getting help section.

Related references 
Getting help
Using system diagnostics

Troubleshooting a wet system

* 
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that are shipped with your product.
1.
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2.
Remove the system cover.
3.
Remove the following components (if installed) from the system:
◦
Power supply unit(s)
◦
Optical drive
◦
Hard drives
◦
Hard drive backplane
◦
USB memory key
◦
Hard drive tray
◦
Cooling shroud
◦
Expansion card risers (if installed)
◦
Expansion cards
◦
Cooling fan assembly (if installed)
◦
Cooling fans
◦
Memory modules
◦
Processor(s) and heat sink(s)
◦
System board
4.
Let the system dry thoroughly for at least 24 hours.
5.
Reinstall the components you removed in step 3 except the expansion cards.
6.
Install the system cover.
7.
Turn on the system and attached peripherals.

If the problem persists, see the Getting help section.

8.
If the system starts properly, turn off the system, and reinstall all the expansion cards that you removed.
9.
Run the appropriate diagnostic test. For more information, see the Using system diagnostics section.

If the tests fail, see the Getting help section.

Related references 
Getting help
Using system diagnostics
Documents connexes

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