HP Pavilion 15-b100 HP Pavilion 15 Sleekbook Maintenance and Service Guide - Page 60

PCH heat sink

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2. Remove the RTC battery (1) by pressing down with a thin plastic tool or your finger. The battery is spring loaded and will pop up. Lift and remove the RTC battery (2). Reverse this procedure to install the RTC battery. PCH heat sink Description PCH heat sink (includes replacement thermal material) Spare part number 699248-001 IMPORTANT: Make special note of each screw and screw lock size and location during removal and replacement. Before removing the PCH 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 30). 5. Remove the keyboard (see Keyboard on page 31). 6. Remove the top cover (see Top cover on page 35). 7. Remove the hard drive (see Hard drive on page 39). 8. Remove the USB board (see USB board on page 41). 52 Chapter 4 Removal and replacement procedures

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2.
Remove the RTC battery
(1)
by pressing down with a thin plastic tool or your finger. The battery is
spring loaded and will pop up. Lift and remove the RTC battery
(2)
.
Reverse this procedure to install the RTC battery.
PCH heat sink
Description
Spare part number
PCH heat sink (includes replacement thermal material)
699248-001
IMPORTANT:
Make special note of each screw and screw lock size and location during removal
and replacement.
Before removing the PCH 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
30
).
5.
Remove the keyboard (see
Keyboard
on page
31
).
6.
Remove the top cover (see
Top cover
on page
35
).
7.
Remove the hard drive (see
Hard drive
on page
39
).
8.
Remove the USB board (see
USB board
on page
41
).
52
Chapter 4
Removal and replacement procedures