356 Upgrade and Maintenance Manual RX2540 M4
11.3.1 Preliminary steps
Ê "Locating the defective server" on page 53
Ê "Suspending BitLocker functionality" on page 91
Ê "Shutting down the server" on page 55
Ê "Disconnecting the power cord" on page 56
Ê "Getting access to the component" on page 58
Ê "Removing the air duct" on page 88
Ê If applicable, remove the riser module, see section "Removing the riser
module 1 (FL)" on page 82.
11.3.2 Removing the heat sink
Figure 237: Removing the heat sink
Ê Loosen the captive screws (circles) following the sequence described below
and using a #2 screw driver:
V CAUTION!
Please don’t use an electric screw driver.
1. Loosen the four captive screws one by one (in the sequence 4 to 1)
rotating them a half-turn each.
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