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Removing Or Installing A Front Fan - Lenovo 102912U Installation And User Manual

Td230 user guide.
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5. Place the heat sink and fan assembly on the system board so that the four screws on the heat sink and
fan assembly are aligned with the corresponding mounting studs on the system board. Make sure that
you properly place the heat sink and fan assembly so that you can easily connect the heat sink and fan
assembly cable to the system fan 2 connector (if the heat sink and fan assembly is for microprocessor 1)
or the system fan 1 connector (if the heat sink and fan assembly is for microprocessor 2) on the system
board. See "Locating parts on the system board" on page 15.
Note: Note the orientation of the heat sink and fan assembly by referring to the arrow label on the top
of the heat sink and fan assembly. The arrow, which indicates air flow, should point to the rear of
the chassis.
Figure 61. Screws that secure the heat sink and fan
assembly for microprocessor 1
6. Alternate tightening each screw a small and equal amount until the heat sink and fan assembly is
secured to the system board. Do not over-tighten the screws.
7. Connect the heat sink and fan assembly cable to the system fan 2 connector (if the heat sink and fan
assembly is for microprocessor 1) or the system fan 1 connector (if the heat sink and fan assembly is for
microprocessor 2) on the system board. See "Locating parts on the system board" on page 15.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation, go to "Completing the parts replacement" on page 90.

Removing or installing a front fan

This section provides instructions on how to remove or install a front fan.
Figure 62. Screws that secure the heat sink and fan
assembly for microprocessor 2
.
Chapter 5
Installing, removing, or replacing hardware
77

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