Replacing The Thermal Sensor - Lenovo ThinkCentre Hardware Maintenance Manual
Machine types: 3280, 3281, 3291, 3292, 3293, 3294, 3296, 3297, 3298, 3305, 3309, 3311, 3312, 3313, 3314, 3315, 3316, 3318, 3320, 3322, 3324, 3325, 3326, 3327, 3329, 3341, and 3342
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Also See for ThinkCentre:
- Hardware maintenance manual (546 pages) ,
- Safety and warranty manual (265 pages) ,
- User manual (32 pages)
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6. Remove the two screws that secure each internal speaker to the front bezel, and then remove the
internal speakers from the computer.
Figure 27. Removing the internal speakers
7. Route the new internal speaker cables and then position the new internal speakers on the front bezel so
that the two screw holes in each internal speaker align with those in the front bezel.
8. Reinstall the two screws to secure each of the internal speakers to the front bezel.
9. Reconnect the internal speaker cables to the system board. See "Locating parts on the system board"
on page 79.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 126.
Replacing the thermal sensor
Attention:
Do not open your computer or attempt any repair before reading and understanding "Important Safety Information"
on page 1.
This section provides instructions on how to replace the thermal sensor.
To replace the thermal sensor, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay
it down so that the screen is against the surface and the cover is facing up.
3. Remove the computer cover. See "Removing the computer cover" on page 83.
4. Locate the thermal sensor. See "Locating major FRUs and CRUs (for models with the 20-inch display)"
on page 73 or "Locating major FRUs and CRUs (for models with the 23-inch display)" on page 76.
5. Note the routing of the thermal sensor cable and then disconnect the thermal sensor cable from the
system board.
6. Remove the screws
off the chassis.
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that secure the VESA mount bracket and then lift the VESA mount bracket
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