HP Pavilion Dv2970ef Special Edition Entertainment Notebook Pc Manual

							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 56).
5.Remove the RTC battery (see 
RTC battery on page 70).
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 95 screws, in 15 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.
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 Feet Kit (includes base enclosure rubber feet and display bezel screw covers) 417095-001
The computer feet are adhesive-backed rubber pads. The feet attach to the base enclosure in the locations
illustrated below.
Component replacement procedures 55 
						

							Battery
DescriptionSpare part number
For use in computer models with Intel or AMD processors: 
6-cell, 2.55-Ah Li-ion battery441611-001
For use in computer models with Intel processors: 
12-cell, 8.80-Ah Li-ion battery452056-001
6-cell, 2.20-Ah Li-ion battery452057-001
For use in computer models with AMD processors: 
12-cell, 8.80-Ah455806-001
6-cell, 2.20-Ah455804-001
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 computer.
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 front edge
downward until the battery is seated. The battery release latch automatically locks the battery into place.
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							Camera module
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 b e r emo ved . F ol l o w th e  pr oc ed ur es  i n  th i s s ec ti on
to replace the camera module. For information on replacing the display assembly and other display
assembly internal components, see 
Display assembly on page 82.
DescriptionSpare part number
Camera module (includes camera module bracket and 2-sided tape) 453673-001
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 56).
Remove the camera module:
1.Turn the computer display-side up, with the front toward you.
2.Open the computer as far as it will open.
3.Remove the four rubber screw covers (1) on the display bezel top edge. The display rubber screw
covers are included in the Rubber Feet Kit, spare part number 417095-001.
4.Remove the four Phillips PM2.5×5.0 screws (2) that secure the display bezel top edge to the display
assembly.
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 57 
						

							6.Release the display bezel top edge (3). Display bezels are available using the following spare part
numbers:
●448607-001 (for use only with computer models that are equipped with a camera module;
includes openings for camera module and microphones)
●448606-001 (for use only with computer models not equipped with a camera module; includes
openings for microphones)
●451907-001 (for use only with computer models with Intel processors sold at Best Buy; includes
openings for camera module and microphones)
●462529-001 (for use only with Artist Edition computer models; includes openings for camera
module and microphones)
●466185-001 (for use only with white Special Edition computer models; includes openings for
camera module and microphones)
●457796-001 (for use only with computer models equipped with a camera module and a
WWAN module; includes openings for camera module and microphones)
7.Remove the Phillips PM2.5×4.0 screw (1) that secures the camera module assembly to the display
enclosure.
8.Release the camera module assembly (2) from the display enclosure as far as the camera module
cable allows.
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							9.Disconnect the camera module cable (3) from the camera module.
10.Turn the camera module assembly upside down.
11.Remove the two Phillips PM2.0×3.0 screws (1) that secure the camera module to the camera module
bracket.
12.Remove the camera module (2) from the bracket.
Reverse this procedure to install the camera module.
Display inverter
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 b e r emo ved . F ol l o w th e  pr oc ed ur es  i n  th i s s ec ti on
to replace the display inverter. For information on replacing the display assembly and other display
assembly internal components, see 
Display assembly on page 82.
DescriptionSpare part number
Display inverter (includes 2-sided tape) 417097-001
Component replacement procedures 59 
						

							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 56).
Remove the display inverter:
1.Turn the computer display-side up, with the front toward you.
2.Open the computer as far as it will open.
3.Remove the two rubber screw covers (1) on the display bezel bottom edge. The display rubber screw
covers are included in the Rubber Feet Kit, spare part number 417095-001.
4.Remove the two Phillips PM2.5×9.0 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.
6.Release the display bezel bottom edge (3). Display bezels are available using the following spare
part numbers:.
●448607-001 (for use only with computer models equipped with a camera module; includes
openings for camera module and microphones)
●448606-001 (for use only with computer models not equipped with a camera module; includes
openings for microphones)
●451907-001 (for use only with computer models with Intel processors sold at Best Buy; includes
openings for camera module and microphones)
●462529-001 (for use only with Artist Edition computer models; includes openings for camera
module and microphones)
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							●466185-001 (for use only with white Special Edition computer models; includes openings for
camera module and microphones)
●457796-001 (for use only with computer models equipped with a camera module and a
WWAN module; includes openings for camera module and microphones)
7.Remove the two Phillips PM2.5×5.0 screws (1) that secure the display inverter to the display
enclosure.
8.Release the display inverter (2) from the display enclosure 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.
Hard drive
NOTE:All hard drive spare part kits include a hard drive bracket.
Component replacement procedures 61 
						

							DescriptionSpare part number
For use in computer models with Intel processors: 
320-GB, 5400-rpm459611-003
250-GB, 5400-rpm453949-001
200-GB, 4200-rpm455740-001
160-GB, 5400-rpm452060-001
120-GB, 5400-rpm452059-001
80-GB, 5400-rpm452058-001
For use in computer models with AMD processors: 
320-GB, 5400-rpm459611-002
250-GB, 5400-rpm455827-001
200-GB, 4200-rpm459951-001
160-GB, 5400-rpm453418-001
120-GB, 5400-rpm453417-001
80-GB, 5400-rpm453416-001
Hard drive hardware kit (contains screws, hard drive bracket, and connector) 453419-001
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 56).
Remove the hard drive:
1.Position the computer with the front toward you.
2.Loosen the two Phillips PM2.0×5.0 captive screws (1) that secure the hard drive cover to the
computer.
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