HP ENVY 15-q400 ENVY Notebook Maintenance and Service Guide - Page 58

Fan, Display assembly see

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Fan Description Fan for use in models with 4th generation Intel processors (includes cable) Fan for use in models with 6th generation Intel processors (includes cable) Spare part number 720235-001 830696-001 Before removing the fan, follow these steps: 1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect the power from the computer by unplugging the power cord from the computer. 3. Disconnect all external devices from the computer. 4. Remove the battery (see Battery on page 28), and then remove the following components: a. Service cover (see WLAN module on page 29) b. Hard drive (see Hard drive on page 31) c. Base enclosure (see Base enclosure on page 38) d. Display assembly (see Display assembly on page 41) Remove the fan: 1. Disconnect the fan cable (1) from the system board. 2. Remove the two Phillips PM2.5×4.5 screws (2) that secure the fan to the top cover. 50 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts

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Fan
Description
Spare part number
Fan for use in models with 4th generation Intel processors (includes cable)
720235-001
Fan for use in models with 6th generation Intel processors (includes cable)
830696-001
Before removing the fan, follow these steps:
1.
Turn
off
the computer. If you are unsure whether the computer is
off
or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2.
Disconnect the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the battery (see
Battery
on page
28
), and then remove the following components:
a.
Service cover (see
WLAN module
on page
29
)
b.
Hard drive (see
Hard drive
on page
31
)
c.
Base enclosure (see
Base enclosure
on page
38
)
d.
Display assembly (see
Display assembly
on page
41
)
Remove the fan:
1.
Disconnect the fan cable
(1)
from the system board.
2.
Remove the two Phillips PM2.5×4.5 screws
(2)
that secure the fan to the top cover.
50
Chapter 6
Removal and replacement procedures for Authorized Service Provider parts