20As the system boots, observe any error message that appears and the diagnostic indicators on the front of the system.
21If the memory problem is still indicated, repeat step 14 through step 20 for each memory module installed.
If the problem persists after all memory modules have been checked, see "Getting Help" on page 199.
Troubleshooting an Internal USB Key
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.
1Enter the System Setup program and ensure that the USB key port is enabled. See "Integrated Devices Screen" on page 68.
2Turn off the system and attached peripherals.
3Open the system. See "Opening the System" on page 87.
4Locate the USB key and reseat it. See "Internal USB Memory Key" on page 137.
5Close the system. See "Closing the System" on page 89.
6Turn on the system and attached peripherals and check if the USB key is functioning.
7If the problem is not resolved, repeat step 2 and step 3.
8Insert a different USB key that you know works properly.
9Close the system. See "Closing the System" on page 89.
10Turn on the system and attached peripherals and check if the USB key is functioning.
11Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
If the problem is not resolved, see "Getting Help" on page 199.
