HP Chromebook 11 G9 Education Edition Maintenance and Service Guide - Page 51

cm (11.6 in) display assembly, Disconnect the battery cable from the system board see

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3. Thoroughly clean the thermal material from the surfaces of the heat sink and the system board components each time the heat sink is removed. Replacement thermal material is included with the heat sink and system board spare part kits. The following illustration shows the replacement thermal material locations. Thermal paste is used on the system board components (1), (3) and on the heat sink areas (2), (4) that service them. Replacement thermal material is also available in the Thermal Material Kit, spare part number M47379-001. Reverse this procedure to install the heat sink. 29.6 cm (11.6 in) display assembly To remove and disassemble the display assembly, use these procedures and illustrations. Full hinge-up displays are not available as spare parts. Spare parts for displays are available only at the subcomponent level. Before removing the display panel, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 29). 2. Remove the top cover/keyboard (see Top cover/keyboard on page 29). 3. Disconnect the battery cable from the system board (see Battery on page 34). Remove the display assembly: 1. Release the inside edges of the top (1), left (2) and right sides, and bottom (3) of the display bezel from the display assembly. ENWW Component replacement procedures 43

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3.
Thoroughly clean the thermal material from the surfaces of the heat sink and the system board
components each time the heat sink is removed. Replacement thermal material is included with the heat
sink and system board spare part kits. The following illustration shows the replacement thermal material
locations.
Thermal paste is used on the system board components
(1), (3)
and on the heat sink areas
(2), (4)
that
service them. Replacement thermal material is also available in the Thermal Material Kit, spare part
number M47379-001.
Reverse this procedure to install the heat sink.
29.6 cm (11.6 in) display assembly
To remove and disassemble the display assembly, use these procedures and illustrations.
Full hinge-up displays are not available as spare parts. Spare parts for displays are available only at the
subcomponent level.
Before removing the display panel, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly
on page
29
).
2.
Remove the top cover/keyboard (see
Top cover/keyboard
on page
29
).
3.
Disconnect the battery cable from the system board (see
Battery
on page
34
).
Remove the display assembly:
1.
Release the inside edges of the top
(1)
, left
(2)
and right sides, and bottom
(3)
of the display bezel from the
display assembly.
ENWW
Component replacement procedures
43