358 Upgrade and Maintenance Manual TX2550 M4
11.2.1 Preliminary steps
Ê "Suspending BitLocker functionality" on page 105
Ê "Shutting down the server" on page 52
Ê "Disconnecting the power cord" on page 53
Ê "Getting access to the component" on page 54
Ê "Removing the system air duct" on page 67
11.2.2 Removing the socket cover
Figure 256: Removing the socket cover
Ê Remove the socket cover and save it for future use.
11.2.3 Installing the CPU and heat sink
V CAUTION when replacing a system board
Ê Use a magnifying glass (recommended) to inspect the socket spring
contacts for damages from different angles. Do not use the spare
system board if any irregularities are visible. Possible damages:
– Contact spring is bent backwards upon itself
– Contact spring tip position is shifted or out of alignment
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