Dell NX200 Personal Computer User Manual

Troubleshooting Your System 139
Reconnect the system to its electrical outlet, and turn on the system and
attached peripherals.
As the system boots, observe any error message that appears and the
diagnostic indicators on the front of the system.
If the memory problem is still indicated, repeat step 15 through step 21 for
each memory module installed.
If the problem persists after all memory modules have been checked,
"Getting Help" on page 157.
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.
Enter the System Setup program and ensure that the SD card port is
enabled. See "Integrated Devices Screen" on page 58.
Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
Open the system. See "Opening the System" on page 79
Locate the USB key and reseat it. See "Chassis Intrusion Switch" on
page 118.
Close the system. See "Closing the System" on page 80.
Turn on the system and attached peripherals and check if the USB key is
If the problem is not resolved, repeat step 2 and step 3.
Insert a different USB key that you know works properly.
Close the system. See "Closing the System" on page 80. Page 139 Monday, August 9, 2010 3:07 PM