HP 15 Notebook PC HP 15 TouchSmart Notebook PC Compaq 15 Notebook PC Compaq 15 TouchSmart Notebook PC HP 250 G2 Notebook PC HP 255 G2 Notebook PC Maintenance and Service Guide

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 49), and then remove the following components:
Service door (see
Service door on page 56)
WLAN module (see
WLAN module on page 59)
Top cover (see
Top cover/keyboard on page 62)
System board (see
System board on page 85)
Fan/heat sink assembly (see
Fan/heat sink assembly on page 90)
To remove the processor:
1. Position the system board upside down.
2. Use a flat-bladed screw driver (1) to turn the processor locking screw one-half turn
counterclockwise (2) until you hear a click.
3. Lift the processor (3) straight up, and then remove it.
NOTE: The gold triangle (4) on the processor must be aligned with the triangle icon embossed on the
processor socket when you install the processor.
Reverse this procedure to install the processor.
98 Chapter 4 Removal and replacement procedures