HP EliteOne 1000 Maintenance and Service Guide - Page 44

Heat sink

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Heat sink Heat sink appearance varies based on processor type and graphics memory. To remove the heat sink: 1. Prepare the computer for disassembly (see Preparing to disassemble the computer on page 16). 2. Remove the base unit rear and front access panels (see Base unit access covers on page 17). 3. Move the fans aside (see Fans on page 27). You do not have to disconnect the fans from the computer to remove the heat sink. 4. UMA graphics: On the middle, square part of the heat sink, loosen the four captive Torx screws in the order indicated on the heat sink (1). CAUTION: Remove heat sink retaining screws in diagonally opposite pairs (as in an X) to even the downward forces on the processor. This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board. 5. Loosen the two captive Torx screws on each end of the heat sink (2) 6. Lift the heat sink out of the computer (3). CAUTION: To reduce a degradation in thermal performance, be sure not to touch the thermal grease on the surface of the processor or the heat sink. 7. Discrete graphics: On the middle, square part of the heat sink, loosen the four captive Torx screws in the order indicated on the heat sink (1). CAUTION: Remove heat sink retaining screws in diagonally opposite pairs (as in an X) to even the downward forces on the processor. This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board. 8. Loosen the three captive Torx screws along the top of the heat sink (2) 9. Loosen the two captive Torx screws from the heat sink atop the graphics card (3) 36 Chapter 4 Removal and replacement procedures

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Heat sink
Heat sink appearance varies based on processor type and graphics memory.
To remove the heat sink:
1.
Prepare the computer for disassembly (see
Preparing to disassemble the computer
on page
16
).
2.
Remove the base unit rear and front access panels (see
Base unit access covers
on page
17
).
3.
Move the fans aside (see
Fans
on page
27
). You do not have to disconnect the fans from the computer to
remove the heat sink.
4.
UMA graphics:
On the middle, square part of the heat sink, loosen the four captive Torx screws in the
order indicated on the heat sink
(1)
.
CAUTION:
Remove heat sink retaining screws in diagonally opposite pairs (as in an X) to even the
downward forces on the processor. This is especially important as the pins on the socket are very fragile
and any damage to them may require replacing the system board.
5.
Loosen the two captive Torx screws on each end of the heat sink
(2)
6.
Lift the heat sink out of the computer
(3)
.
CAUTION:
To reduce a degradation in thermal performance, be sure not to touch the thermal grease
on the surface of the processor or the heat sink.
7.
Discrete graphics:
On the middle, square part of the heat sink, loosen the four captive Torx screws in
the order indicated on the heat sink
(1)
.
CAUTION:
Remove heat sink retaining screws in diagonally opposite pairs (as in an X) to even the
downward forces on the processor. This is especially important as the pins on the socket are very fragile
and any damage to them may require replacing the system board.
8.
Loosen the three captive Torx screws along the top of the heat sink
(2)
9.
Loosen the two captive Torx screws from the heat sink atop the graphics card
(3)
36
Chapter 4
Removal and replacement procedures