CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in Dell's product documentation, or as directed by
Dell's 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.
NOTICE: Unless otherwise noted, each procedure in this document assumes that a part can be replaced
or, if purchased separately, installed by performing the removal procedure in reverse order.
