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Service Reference Guide, dx7300 433611-001 6–13
Removal and Replacement Procedures— Microtower (MT) Chassis
6.8 Expansion Cards
1. Prepare the computer for disassembly (Section 6.1).
2. Remove the access panel and rotate the computer so the system board is parallel to the table
to make it easier to work on (Section 6.3).
3. On the rear of the computer, a sliding slot cover lock secures the expansion card brackets and
expansion slot covers in place. Remove the thumbscrew that holds the slot cover lock in
place 1 and slide the slot cover lock away from the brackets 2 so that they are no longer
secured by the lock.