HP Pavilion 14-ab000 ab000 through 14 - ab099 Maintenance and Service Guide 1 - Page 60

Heat sink (with UMA memory) (select models only

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Heat sink (with UMA memory) (select models only) NOTE: The heat sink spare part kit includes replacement thermal material. Description For use only with computer models equipped with an AMD A8/A6/A4 processor and a graphics subsystem with UMA memory For use only with computer models equipped with an AMD A10 processor and a graphics subsystem with UMA memory Spare part number 806759-001 809104-001 IMPORTANT: Make special note of each screw and screw lock size and location during removal and replacement. Before removing the heat sink, follow these steps: 1. Shut down the computer. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 31), and then remove the following components: a. Optical drive (see DVD±RW Double-Layer SuperMulti Drive on page 32). b. Bottom cover (see Bottom cover on page 34). Remove the heat sink: 1. Loosen the six Phillips PM2×4 captive screws (1) that secure the heat sink to the system board. CAUTION: Screws should be loosened in the order embossed on the heat sink plates. Failing to remove the screws in this order could damage the computer's processor or video components. 50 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts

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Heat sink (with UMA memory) (select models only)
NOTE:
The heat sink spare part kit includes replacement thermal material.
Description
Spare part number
For use only with computer models equipped with an AMD A8/A6/A4 processor and a graphics subsystem
with UMA memory
806759-001
For use only with computer models equipped with an AMD A10 processor and a graphics subsystem with
UMA memory
809104-001
IMPORTANT:
Make special note of each screw and screw lock size and location during removal
and replacement.
Before removing the heat sink, follow these steps:
1.
Shut down the computer.
2.
Disconnect all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4.
Remove the battery (see
Battery
on page
31
), and then remove the following components:
a.
Optical drive (see
DVD±RW Double-Layer SuperMulti Drive
on page
32
).
b.
Bottom cover (see
Bottom cover
on page
34
).
Remove the heat sink:
1.
Loosen the six Phillips PM2×4 captive screws
(1)
that secure the heat sink to the system board.
CAUTION:
Screws should be loosened in the order embossed on the heat sink plates. Failing to
remove the screws in this order could damage the computer’s processor or video components.
50
Chapter 6
Removal and replacement procedures for Authorized Service Provider parts