Steps
1.
Reenter the time and date in System Setup.
2.
Turn off the system, and disconnect it from the electrical outlet for at least one hour.
3.
Reconnect the system to the electrical outlet, and turn on the system.
4.
Open the
System Setup
page.
If the date and time are not correct in System Setup, check the System Error Log (SEL) for system
battery messages.
Next steps
If the issue persists, see the Getting Help section in this document.
Troubleshooting power supply units
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 came with the product.
Troubleshooting power source problems
1.
Press the power button to ensure that your system is turned on. If the power indicator does not light
up when the power button is pressed, press the power button firmly.
2.
Plug in another working device 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 required specifications.
Power supply unit problems
1.
Ensure that no loose connections exist.
For example, loose power cables.
2.
Ensure that the PSU handle/LED indicates that the PSU is working properly.
3.
If you have recently upgraded your system, ensure that the PSU has enough power to support the
new system.
4.
If you have a redundant PSU configuration, ensure that both the PSUs are of the same type and
power capacity (Watt).
If the LED You may have to upgrade to a higher wattage PSU.
5.
Ensure that you use only PSUs with the Extended Power Performance (EPP) label on the back.
6.
Reseat the PSU.
NOTE: After installing a PSU, allow several seconds for the system to recognize the PSU and
determine if it is working properly.
If the issue persists, see the Getting Help section in this document.
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