HP Pavilion 11-h110nr HP Pavilion 11 x2 PC Maintenance and Service Guide - Page 54

Heat sink, Detach the wireless antenna transceivers

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Heat sink Description Heat sink for use only on computer models equipped with an Intel Pentium or Intel Celeron processor (includes replacement thermal material) Heat sink for use only on computer models equipped with an Intel Core processor (includes replacement thermal material) Spare part number 740186-001 750355-001 Before removing the heat sink, follow these steps: 1. Turn off the tablet. If you are unsure whether the tablet is off or in Hibernation, turn the tablet on, and then shut it down through the operating system. 2. Disconnect the power from the tablet by unplugging the power cord from the tablet. 3. Disconnect all external devices from the tablet. 4. Remove the display enclosure (see Display enclosure on page 31). 5. Disconnect the tablet battery cable from the system board (see Sensor board on page 32). Remove the heat sink: 1. Detach the wireless antenna transceivers (1) from the heat sink. (The wireless antenna transceivers are attached to the heat sink with double-sided tape.) 2. Remove the seven Phillips PM1.85×3.35 screws (2) and the two Phillips PM1.85×1.60 screws (3) that secure the heat sink to the display panel assembly. 46 Chapter 5 Removal and replacement procedures

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Heat sink
Description
Spare part number
Heat sink for use only on computer models equipped with an Intel Pentium or Intel Celeron
processor (includes replacement thermal material)
740186-001
Heat sink for use only on computer models equipped with an Intel Core processor (includes
replacement thermal material)
750355–001
Before removing the heat sink, follow these steps:
1.
Turn off the tablet. If you are unsure whether the tablet is off or in Hibernation, turn the tablet on,
and then shut it down through the operating system.
2.
Disconnect the power from the tablet by unplugging the power cord from the tablet.
3.
Disconnect all external devices from the tablet.
4.
Remove the display enclosure (see
Display enclosure
on page
31
).
5.
Disconnect the tablet battery cable from the system board (see
Sensor board
on page
32
).
Remove the heat sink:
1.
Detach the wireless antenna transceivers
(1)
from the heat sink. (The wireless antenna
transceivers are attached to the heat sink with double-sided tape.)
2.
Remove the seven Phillips PM1.85×3.35 screws
(2)
and the two Phillips PM1.85×1.60
screws
(3)
that secure the heat sink to the display panel assembly.
46
Chapter 5
Removal and replacement procedures