HP Pavilion Dv7 1200 Entertainment Notebook Pc Series Manual

Equipment guidelines
Grounding equipment must include either a wrist strap or a foot strap at a grounded workstation.
●When seated, wear a wrist strap connected to a grounded system. Wrist straps are flexible straps
with a minimum of one megohm ±10% resistance in the ground cords. To provide proper ground,
wear a strap snugly against the skin at all times. On grounded mats with banana-plug connectors,
use alligator clips to connect a wrist strap.
●When standing, use foot straps and a grounded floor mat....

Unknown user password
If the computer you are servicing has an unknown user password, follow these steps to clear the
password.
NOTE:These steps also clear CMOS.
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 through the operating system.
2.Disconnect all external devices connected to the computer.
3.Disconnect the power from the computer by first unplugging the...

Component replacement procedures
This chapter provides removal and replacement procedures.
There are as many as 115 screws, in 10 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
The service tag, affixed to the bottom of the computer, provides information that may be needed when
troubleshooting system problems. The service tag provides the following information:
(1)...

Computer feet
The computer feet are adhesive-backed rubber pads. The feet are included in the Rubber Kit, spare
part number 480480-001. There are 6 rubber feet that attach to the base enclosure in the locations
shown in the following illustration.
Battery
DescriptionSpare part number
8-cell, 73-Wh, 2.55-Ah Li-ion battery for use with all computer models480385-001
6-cell, 47-Wh, 2.55-Ah Li-ion battery for use only with computer models equipped with AMD
processors486766-001
Before disassembling the...

3.Pivot the battery (2) upward and remove it (3) from the computer.
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.
Component replacement procedures 55 

Webcam/microphone module
NOTE:This section applies only to computer models equipped with BrightView display assemblies.
NOTE:If it has been determined that the webcam/microphone module is the component that must be
replaced to complete the computer repair, the display assembly does not have to be removed. Follow
the procedures in this section to replace the webcam/microphone module. For information on replacing
the display assembly and other display assembly internal components, see 
Display assembly
on...

5.Release the webcam/microphone module (1) from the display enclosure as far as the webcam/
microphone module cable allows.
6.Disconnect the webcam/microphone module cable (2) from the webcam/microphone module.
7.Remove the webcam/microphone module.
Reverse this procedure to install the webcam/microphone module.
Optical drive
NOTE:All optical drive spare part kits include an optical drive bezel and bracket.
DescriptionSpare part number
Blu-ray Disc ROM Drive with SuperMulti DVD±R/RW...

3.Insert a thin tool, such as a paper clip (2), into the disc tray release access hole. (The optical drive
disc tray is partially ejected from the optical drive.)
4.Use the disc tray frame to slide the optical drive (3) out of the computer.
5.Remove the optical drive.
6.If it is necessary to replace the optical drive bracket, position the optical drive with the optical drive
bracket toward you.
7.Remove the two Phillips PM2.0×4.0 screws (1) that secure the optical drive bracket to the
optical drive....

Hard drive
NOTE:All hard drive spare part kits include a hard drive bracket.
DescriptionSpare part number
320-GB, 5400-rpm480456-001
250-GB, 5400-rpm480455-001
160-GB, 7200-rpm480454-001
160-GB, 5400-rpm480453-001
120-GB, 5400-rpm480452-001
Hard Drive Hardware Kit (includes bracket and screws) 480457-001
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...

5.Use the Mylar tabs (2) to disconnect the hard drives (3) from the computer.
6.Remove the hard drives (4) from the computer by lifting them straight up.
7.If it is necessary to replace the hard drive bracket, remove the four Phillips PM3.0×4.0
screws (1) that secure the hard drive bracket to the hard drive.
8.Lift the bracket (2) straight up to remove it from the hard drive.
Reverse this procedure to reassemble and install the hard drive.
60 Chapter 4   Removal and replacement procedures