![](/images/new-backgrounds/1110910/110910303x1.webp)
•Memory modules
•
4Ensure that all cables are properly connected.
5Close the system. See "Closing the System."
6Run the system board tests in the system diagnostics. See "Running the Embedded System Diagnostics."
If the tests fail, see "Getting Help."
Troubleshooting the System Battery
1
2Turn off the system and disconnect it from the electrical outlet for at least one hour.
3Reconnect the system to the electrical outlet and turn on the system.
4Enter the System Setup program.
If the date and time are not correct in the System Setup program, replace the battery. See "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 came with the product.
If the problem is not resolved by replacing the battery, see "Getting Help."
Troubleshooting Power Supplies
CAUTION: At least one power supply must be installed for the system to operate. Operating the system with only one power supply installed for extended periods of time without a
1Identify the faulty power supply by the power supply's status indicator. See "Power Indicator Codes."
152