Lenovo c20 4262 Manuale Hardware
heat sink and fan assembly. Do not put the heat sink and fan assembly
anywhere except on the microprocessor after the plastic cover has been
removed and the grease exposed.
anywhere except on the microprocessor after the plastic cover has been
removed and the grease exposed.
b.
Some heat sink part numbers will have orientation labels showing "Front
of System." Heat Sinks that do not have orientation labels should be
oriented so the fan cable is toward the board connector labeled "CPU Fan."
of System." Heat Sinks that do not have orientation labels should be
oriented so the fan cable is toward the board connector labeled "CPU Fan."
7.
Place the new heat sink into position.
Important:
Do not touch the thermal grease while handling the heat sink.
8.
Align the four screws on the heat sink with the four mounting studs in the
chassis.
chassis.
9.
Follow this sequence to install the screws, noting that fully tight is 5 in-lbs +/-
0.5 in-lbs:
a.
0.5 in-lbs:
a.
Partially tighten screw 1, then fully tighten screw 3, and fully tighten
screw 1.
screw 1.
b.
Partially tighten screw 2, then fully tighten screw 4, and fully tighten
screw 2.
screw 2.
10.
Reconnect the heat sink fan cable. See “System board connectors and
components” on page 93.
components” on page 93.
11.
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Hardware Maintenance Manual