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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 a damaged 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.
Ensure that the following components are properly installed:
◦
cooling shroud
◦
expansion card risers (if installed)
◦
expansion cards
◦
power supply unit(s)
◦
cooling fan assembly (if installed)
◦
cooling fans
◦
processor(s) and heat sink(s)
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memory modules
◦
hard drive carriers/cage
◦
hard drive backplane
4.
Ensure that all cables are properly connected.
5.
Install the system cover.
6.
Run the appropriate diagnostic test. For more information, see the Using system diagnostics section.

If the problem persists, see the Getting help section.

Related references 
Getting help
Using system diagnostics

Troubleshooting the system battery

* 
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.
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NOTE: If the system is turned off for long periods of time (for weeks or months), the NVRAM may lose its system configuration information. This situation is caused by a defective battery.
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NOTE: Some software may cause the system time to speed up or slow down. If the system seems to operate normally except for the time set in System Setup, the problem may be caused by a software, rather than by a defective battery.
1.
Re-enter the time and date in System Setup.
2.
Turn off the system, and disconnect it from the electrical outlet for at least an hour.
3.
Reconnect the system to the electrical outlet, and turn on the system.
4.
Enter System Setup.

If the date and time displayed in System Setup are not correct, check the System Error Log (SEL) for system battery messages.

If the problem persists, see the Getting help section.

Related references 
Getting help

Troubleshooting power supply units

Troubleshooting power source problems
Troubleshooting power supply unit problems
* 
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.

Troubleshooting power source problems

1.
Press the power button to ensure that your system is turned on. If the power indicator does not glow when the power button is pressed, press the power button firmly.
2.
Plug in another working power supply unit to ensure that the system board is not faulty.
3.
Ensure that no loose connections exist.
For example, loose power cables.
4.
Ensure that the power source meets applicable standards.
5.
Ensure that there are no short circuits.
6.
Have a qualified electrician check the line voltage to ensure that it meets the needed specifications.
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