HP Pavilion Dv6600 Entertainment Notebook Pc Series Service Guide

							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. Foot straps (heel, toe, or boot straps) can
be used at standing workstations and are compatible with most types of shoes or boots. On
conductive floors or dissipative floor mats, use foot straps on both feet with a minimum of one megohm
resistance between the operator and ground. To be effective, the conductive strips must be worn in
contact with the skin.
The following grounding equipment is recommended to prevent electrostatic damage:
●Antistatic tape
●Antistatic smocks, aprons, and sleeve protectors
●Conductive bins and other assembly or soldering aids
●Nonconductive foam
●Conductive tabletop workstations with ground cords of one megohm resistance
●Static-dissipative tables or floor mats with hard ties to the ground
●Field service kits
●Static awareness labels
●Material-handling packages
●Nonconductive plastic bags, tubes, or boxes
●Metal tote boxes
●Electrostatic voltage levels and protective materials
The following table lists the shielding protection provided by antistatic bags and floor mats.
MaterialUseVoltage protection level
Antistatic plasticBags1,500 V
Carbon-loaded plasticFloor mats7,500 V
Metallized laminate Floor mats 5,000 V
Preliminary replacement requirements 43 
						

							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 power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4.Remove the battery (see 
Battery on page 46).
5.Remove the RTC battery (see 
RTC battery on page 55).
6.Wait approximately 5 minutes.
7.Replace the RTC battery and reassemble the computer.
8.Connect AC power to the computer. Do not reinsert any batteries at this time.
9.Turn on the computer.
All passwords and all CMOS settings have been cleared.
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							Component replacement procedures
This chapter provides removal and replacement procedures.
There are as many as 83 screws and standoffs, in 12 different sizes, that must be removed, replaced, or
loosened when servicing the computer. Make special note of each screw and standoff size and location
during removal and replacement.
Serial number
Report the computer serial number to HP when requesting information or ordering spare parts. The serial
number is located on the bottom of the computer.
Component replacement procedures 45 
						

							Battery
DescriptionSpare part number
12-cell, 8.80-Ah Li-ion battery451864-001
6-cell, 2.55-Ah Li-ion battery446507-001
6-cell, 2.20-Ah Li-ion battery446506-001
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 power cord from the AC outlet and
then unplugging the AC adapter from the computer.
Remove the battery:
1.Turn the computer upside down on a flat surface.
2.Slide the battery release latch (1) to release the battery.
3.Pivot the battery (2) upward and remove it from the computer.
To insert the battery, insert the rear edge of the battery into the battery bay and pivot the battery downward
until it is seated. The battery release latch automatically locks the battery into place.
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							Camera module
NOTE:If it has been determined that the camera 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 camera module. For information on replacing the display assembly and other
display assembly internal components, see 
Display assembly on page 68.
DescriptionSpare part number
Camera module (includes 2-sided tape) 446486-001
Before removing the camera module, 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.Remove the battery (see 
Battery on page 46).
Remove the camera module:
1.Turn the computer display-side up, with the front toward you.
2.Open the computer as far as possible.
3.Remove the four rubber screw covers (1) on the display bezel top edge.
NOTE:The display rubber screw covers are included in the Display Screw Kit, spare part number
431399-001.
4.Remove the four Phillips PM2.5×5.0 screws (2) on the display bezel top edge.
5.Flex the inside edges of the left and right sides (1) and the top edge (2) of the display bezel until
the bezel disengages from the display enclosure.
Component replacement procedures 47 
						

							6.Release the display bezel top edge (3).
7.Release the camera module (1) from the display enclosure as far as the camera module cable allows.
8.Disconnect the camera module cable (2) from the camera module.
9.Remove the camera module.
Reverse this procedure to install the camera module.
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							Display inverter
NOTE:If it has been determined that the display inverter 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 display inverter. For information on replacing the display assembly and other
display assembly internal components, see 
Display assembly on page 68.
DescriptionSpare part number
Display inverter (includes 2-sided tape) 431391-001
Before removing the display inverter, 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.Remove the battery (see 
Battery on page 46).
Remove the display inverter:
1.Turn the computer display-side up, with the front toward you.
2.Open the computer as far as possible.
3.Remove the two rubber screw covers (1) on the display bezel bottom edge. The display rubber screw
covers are included in the Display Screw Kit, spare part number 431399-001.
4.Remove the two Phillips PM2.5×5.0 screws (2) that secure the display bezel bottom edge to the
display assembly.
5.Flex the inside edges of the left and right sides (1) and the bottom edge (2) of the display bezel until
the bezel disengages from the display enclosure.
Component replacement procedures 49 
						

							6.Release the display bezel bottom edge (3).
7.Release the display inverter (1) as far as the display panel cable and the backlight cable allow.
8.Disconnect the display panel cable (2) and the backlight cable (3) from the display inverter.
9.Remove the display inverter.
Reverse this procedure to install the display inverter.
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							Hard drive
NOTE:All hard drive spare part kits include a hard drive bracket.
DescriptionSpare part number
250-GB, 5400-rpm453775-001
200-GB, 4200-rpm451863-001
160-GB, 5400-rpm451862-001
120-GB, 5400-rpm446498-001
80-GB, 5400-rpm446497-001
60-GB, 5400-rpm446496-001
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 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.Remove the battery (see 
Battery on page 46).
Remove the hard drive:
1.Position the computer with the front toward you.
2.Loosen the two Phillips PM2.0×5.0 screws (1) that secure the hard drive cover to the computer.
3.Lift the right side of the hard drive cover (2), swing it to left, and remove the cover. The hard drive
cover is included in the Plastics Kit, spare part number 438368-001.
Component replacement procedures 51 
						

							4.Use the Mylar tab (1) to lift the hard drive (2) until it disconnects from the computer.
5.Remove the hard drive from the hard drive bay.
6.If it is necessary to remove the hard drive bracket, remove the four Phillips PM3.0×3.0 hard drive
bracket screws (1) that secure the hard drive bracket to the hard drive.
7.Lift the bracket (2) straight up to remove it from the hard drive.
Reverse this procedure to reassemble and install the hard drive.
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