HP Pavilion Dv3 2100 Entertainment Notebook Pc Series Manual

4–16Maintenance and Service Guide
Removal and replacement procedures
SIM slot board
Before removing the SIM slot board, follow these steps: 
1. Shut down 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 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...

Removal and replacement procedures
Maintenance and Service Guide4–17
4. Remove the Phillips PM2.5×3.0 screw 1 that secures the SIM slot board to the computer.
5. Lift the SIM slot board 2 as far as the SIM slot board cable allows.
6. Disconnect the SIM slot board cable 3 from the system board.
Reverse this procedure to install the SIM slot board. 

4–18Maintenance and Service Guide
Removal and replacement procedures
RTC battery
Before removing the RTC battery, follow these steps: 
1. Shut down 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 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...

Removal and replacement procedures
Maintenance and Service Guide4–19
Optical drive
✎The optical drive spare part kit includes an optical drive bezel and bracket. 
Before removing the optical drive, follow these steps: 
1. Shut down 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 all external devices connected to the computer. 
3. Disconnect the power from the computer by first...

4–20Maintenance and Service Guide
Removal and replacement procedures
5. If it is necessary to replace the optical drive bracket, follow these steps:
a. Position the optical drive with the rear toward you. 
b. Remove the two Phillips PM2.0×3.0 screws 1 that secure the optical drive bracket to the optical drive. 
c. Remove the optical drive bracket 2. 
Reverse this procedure to reassemble and install an optical drive.  

Removal and replacement procedures
Maintenance and Service Guide4–21
Keyboard
For use in country or region:Spare part number For use in country or region: Spare part number
Keyboard with backlight (includes keyboard cable and backlight cable; available only in black with painted finish):
■For use in Belgium530646-A41■For use in Latin America530646-161
■For use in the Czech Republic530646-221■For use in Portugal530646-131
■For use in Denmark, Finland, 
and Norway530646-DH1■For use in Russia530646-251
■For...

4–22Maintenance and Service Guide
Removal and replacement procedures
Keyboards without backlight in blue color and molded finish:
■For use in French Canada538665-121■For use in Taiwan538665-AB1
■For use in Japan538665-291■For use in Thailand538665-281
■For use in South Korea538665-AD1■For use in the United States538665-001
Keyboards without backlight with molded finish for use only with computer models with white trim:
■For use in Belgium539044-A41■For use in Latin America539044-161
■For use in...

Removal and replacement procedures
Maintenance and Service Guide4–23
Before removing the keyboard, follow these steps: 
1. Shut down 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 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....

4–24Maintenance and Service Guide
Removal and replacement procedures
2. Turn the computer display-side up with the front toward you.
3. Open the computer as far as possible.
4. Lift the rear edge of the keyboard 1 until it rests at an angle.
5. Slide the keyboard 2 toward the display until the tabs on the front edge of the keyboard are clear of the 
openings in the top cover.
6. Swing the rear edge of the keyboard 3 up and forward until it rests upside down on the top cover. 
7. Release the zero...

Removal and replacement procedures
Maintenance and Service Guide4–25
Switch cover
✎The switch cover spare part kit includes the power button board and cable.
Before removing the switch cover, follow these steps: 
1. Shut down 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 all external devices connected to the computer. 
3. Disconnect the power from the computer by first unplugging the...