Dell OptiPlex 755 User's Guide - Page 265
Replace the cable cover, if used see Cable Cover Optional on Re-assemble the shroud.
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Page 265 highlights
1 2 3 1 heat sink 2 retention base 3 release lever 15 Lower the heat sink onto the processor at a 45-degree angle so that one end of the heat sink fits securely under the tab opposite the release tab on the retention base. 16 Re-assemble the shroud. 17 Replace the computer cover (see "Replacing the Computer Cover" on page 317). 18 Replace the cable cover, if used (see "Cable Cover (Optional)" on page 237). Processor 265
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Processor
265
15
Lower the heat sink onto the processor at a 45-degree angle so that one end of the heat sink fits
securely under the tab opposite the release tab on the retention base.
16
Re-assemble the shroud.
17
Replace the computer cover (see "Replacing the Computer Cover" on page 317).
18
Replace the cable cover, if used (see "Cable Cover (Optional)" on page 237).
1
heat sink
2
retention base
3
release lever
1
3
2