HP Pavilion 15-b100 HP Pavilion 15 Sleekbook Maintenance and Service Guide - Page 63

To prevent damage to the cooling tubes, do not lift the assembly by the, cooling tubes.

Page 63 highlights

2. Remove the heat sink. If you have an UMA graphics heat sink, go to step c. a. Loosen all of the captive screws (1) and (2) and then lift the switchable discrete graphics heat sink (3) from the system board. CAUTION: To prevent damage to the cooling tubes, do not lift the assembly by the cooling tubes. Component replacement procedures 55

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2.
Remove the heat sink. If you have an UMA graphics heat sink, go to step c.
a.
Loosen all of the captive screws
(1)
and
(2)
and then lift the switchable discrete graphics
heat sink
(3)
from the system board.
CAUTION:
To prevent damage to the cooling tubes, do not lift the assembly by the
cooling tubes.
Component replacement procedures
55