HP Notebook PC (Intel) * Models: 15-ay000 - 15-ay099 HP 250 G5 Notebook PC HP 256 G5 Notebook PC - Maintenance and Service Guide
Table Of Contents
- Product description
- HP Notebook PC; Intel 7th generation and Pentium/Celeron processors; non-touch models
- HP Notebook PC; Intel 5th and 6th generation and Pentium/Celeron processors; non-touch models
- HP Notebook PC; Intel 7th generation Core and Pentium/Celeron processors; touch models
- HP Notebook PC; Intel 5th and 6th generation and Pentium/Celeron processors; touch models
- HP 250/256 G5 Notebook PC models
- External component identification
- Illustrated parts catalog
- Removal and replacement procedures preliminary requirements
- Removal and replacement procedures for Customer Self-Repair parts
- Removal and replacement procedures for Authorized Service Provider parts
- Using Setup Utility (BIOS) in Windows 7
- Using Setup Utility (BIOS) in Windows 10
- Backing up, restoring, and recovering in Windows 7
- Backing up, restoring, and recovering in Windows 10
- Using HP PC Hardware Diagnostics (UEFI)
- Specifications
- Statement of memory volatility
- Power cord set requirements
- Recycling
- Index

Fan
Description Spare part number
Fan 813946-001
NOTE: To properly ventilate the computer, allow at least 7.6 cm (3.0 in) of clearance on the left side of the
computer. The computer uses an electric fan for ventilation. The fan is controlled by a temperature sensor and
is designed to turn on automatically when high temperature conditions exist. These conditions are aected by
high external temperatures, system power consumption, power management/battery conservation
congurations, battery fast charging, and software requirements. Exhaust air is displaced through the
ventilation grill located on the left side of the computer.
Before removing the fan/heat sink assembly, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst 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 48).
5. Remove the optical drive (see Optical drive on page 49), if installed.
6. Remove the bottom cover (see Bottom cover on page 52).
To remove the fan:
1. Disconnect the fan cable (1) from the system board.
2. Remove the two Phillips PM2.5×6.0 screws (2) that secure the fan to the computer.
3. If necessary, lift the plastic from the top of the clip that the cable routes under, and then remove the
cable from under the clip.
70 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts