HP Pavilion Dv7 3100 Entertainment Notebook Pc Series Manual

Removal and replacement procedures
Maintenance and Service Guide4–5
Component replacement procedures 
This chapter provides removal and replacement procedures. 
There are as many as 71 screws, in 14 different sizes, that must be removed, replaced, or loosened when servicing 
the computer. Make special note of each screw size and location during removal and replacement. 
Service tag 
When ordering parts or requesting information, provide the computer serial number and model description 
provided on the...

4–6Maintenance and Service Guide
Removal and replacement procedures
Computer feet
The computer feet are adhesive-backed rubber pads. The feet are included in the Rubber Feet Kit, spare part 
number 516326-001. There are 4 rubber feet that attach to the base enclosure in the locations illustrated below.
Battery
Before disassembling the computer, 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...

Removal and replacement procedures
Maintenance and Service Guide4–7
To insert the battery, insert the rear edge of the battery into the battery bay and pivot the front edge of the battery 
downward until it is seated. The battery release latch automatically locks the battery into place. 
Optical drive
✎The optical drive spare part kit includes an optical drive bezel and bracket.
✎If it is necessary to remove the optical drive board, see “System board” on page 4-37.
Before removing the optical drive,...

4–8Maintenance and Service Guide
Removal and replacement procedures
4. 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 PM1.5×3.0 screws that secure the optical drive bracket to the optical drive. 
c. Remove the optical drive bracket. 
Reverse this procedure to reassemble and install the optical drive.  

Removal and replacement procedures
Maintenance and Service Guide4–9
Primary hard drive cover
Before removing the primary hard drive 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 power cord from the AC outlet and then 
unplugging...

4–10Maintenance and Service Guide
Removal and replacement procedures
Secondary hard drive cover 
Before removing the secondary hard drive 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 power cord from the AC outlet and then...

Removal and replacement procedures
Maintenance and Service Guide4–11
Hard drive
✎The hard drive spare part kit includes left and right bracket rails, connector cable, Mylar cover with tab, and 4 
rubber isolators. 
Before removing the hard 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....

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Removal and replacement procedures
or
4. If it is necessary to replace the hard drive bracket or any of the hard drive bracket components, remove the 
following: 
1 Hard drive adapter cable
2 Four rubber isolators
3 Four Phillips PM3.0×3.5 screws that secure the hard drive bracket rails and Mylar cover to the hard drive 

Removal and replacement procedures
Maintenance and Service Guide4–13
4 Left and right hard drive bracket rails with Mylar cover
Reverse this procedure to reassemble and install the hard drive.  

4–14Maintenance and Service Guide
Removal and replacement procedures
WLAN module
DescriptionSpare part number 
 Broadcom BCM4312 802.11b/g WLAN module:
■For use in Antigua and Barbuda, Barbados, Belize, Canada, the Cayman Islands, Guam, Puerto 
Rico, Trinidad and Tobago, the U.S. Virgin Islands, and the United States504593-003
■for use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, 
Armenia, Aruba, Australia, Austria, Azerbaijan, the Bahamas, Bahrain, Bangladesh,...