HP Pavilion Dx6500 Notebook Pc Series Service Guide

							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 36).
5.Remove the RTC battery (see 
RTC battery on page 45).
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.
Preliminary replacement requirements 33 
						

							Component replacement procedures
This chapter provides removal and replacement procedures.
There are as many as 87 screws and standoffs, in 13 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.
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							Computer feet
DescriptionSpare part number
Rubber Kit (includes base enclosure rubber feet) 431430-001
The computer feet are adhesive-backed rubber pads. The 7 feet attach to the base enclosure in the
locations illustrated below.
Component replacement procedures 35 
						

							Battery
DescriptionSpare part number
12-cell, 2.55-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 (3) 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 55.
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 36).
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. The display rubber screw
covers are included in the Display Screw Kit, spare part number 431399-001.
4.Remove the four Phillips PM2.5×6.0 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 37 
						

							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.
38 Chapter 4   Removal and replacement procedures 
						

							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 55.
DescriptionSpare part number
Display inverter431391-001
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 36).
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 PM2.5×8.0 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 39 
						

							6.Release the display bezel bottom edge (3).
7.Remove the Phillips PM2.0×4.0 screw (1) that secures the display inverter to the display enclosure.
8.Release the display inverter (2) as far as the display panel cable and the backlight cable allow.
9.Disconnect the display panel cable (3) and the backlight cable (4) from the display inverter.
10.Remove the display inverter.
Reverse this procedure to install the display inverter.
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							Hard drives
NOTE:All hard drive spare part kits include a hard drive bracket.
DescriptionSpare part number
160-GB, 5400-rpm458803-001
80-GB, 5400-rpm458804-001
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 36).
Remove the hard drives:
1.Position the computer with the front toward you.
2.Loosen the two Phillips PM2.5×5.0 screws (1) that secure each hard drive cover to the computer.
3.Lift the right side of the hard drive covers (2), swing them up and to the left, and remove the covers.
The hard drive covers are included in the Plastics Kit, spare part number 438368-001.
Component replacement procedures 41 
						

							4.Use the Mylar straps (1) to lift the hard drives (2) until they disconnect from the computer.
5.Remove the hard drives from the hard drive bays.
6.If it is necessary to remove the hard drive bracket, remove the four Phillips PM3.0×4.0 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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