Heat Sink - HP Compaq 6720t Maintenance And Service Manual

Heat sink

Description
Heat sink (includes replacement thermal material)
Before removing the heat sink, follow these steps:
Shut down the computer. If you are unsure whether the computer is off, turn the computer on, and then
1.
shut it down through the operating system.
Disconnect all external devices connected to the computer.
2.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
3.
then unplugging the AC adapter from the computer.
Remove the battery (see
4.
Remove the keyboard (see
5.
Remove the heat sink:
In the 1, 2, 3, 4, 5, 6, 7, 8 sequence stamped into the heat sink, remove the following screws:
1.
(1) Four Phillips PM2.5×3.0 screws
(2) Four Phillips PM2.0×3.0 screws
NOTE:
the pads are damaged, replace them.
Remove the heat sink (4) by sliding it to the right until it clears the top cover.
2.
NOTE:
The thermal material must be thoroughly cleaned from the processor and Northbridge chip
(1) and the locations on the bottom of the heat sink (2) each time the heat sink is removed. Thermal
material is included with all heat sink and system board spare part kits.
Battery on page
Keyboard on page
When removing and replacing the heat sink, inspect the thermal pads (3) for damage. If
29).
35).
Component replacement procedures
Spare part number
468102-001
39