HP EliteBook 8770w Manual

							Bluetooth module cable
NOTE:The Bluetooth module cable is included in the Cable Kit, spare part number 652545-001.
Before removing the Bluetooth module cable, 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 51).
5.Remove the service access cover (see 
Service access cover on page 52).
6.Remove the optical drive (see 
Optical drive on page 63) or upgrade bay hard drive (see Upgrade
bay hard drive on page 66).
7.Remove the keyboard (see 
Keyboard on page 71).
8.Remove the top cover (see 
Top cover on page 83).
9.Remove the bluetooth module (see 
Bluetooth module on page 59).
10.Remove the card reader/USB 3.0 board (see 
Card reader/USB 3.0 board on page 102).
Remove the Bluetooth module cable:
1.Position the computer right-side up with the front toward you.
2.Disconnect the Bluetooth cable (1) from the system board.
3.Remove the Bluetooth cable (2).
Reverse this procedure to install the Bluetooth module cable.
System board
NOTE:All system board spare part kits include replacement thermal material.
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							NOTE:Models that support quad-core processors have four memory slots. Models that support
dual-core processors have two memory slots.
DescriptionSpare part number
For use in all countries and regions except the Peoples Republic of China:
●For use with computer models equipped with Intel quad-core processors 688746-001
●For use with computer models equipped with Intel dual-core processors 688745-001
For use only in the Peoples Republic of China:
●For use with computer models equipped with Intel quad-core processors 690035-001
●For use with computer models equipped with Intel dual-core processors 690034-001
Before removing the system board, 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 51).
5.Remove the service access cover (see 
Service access cover on page 52).
6.Remove the optical drive (see 
Optical drive on page 63) or upgrade bay hard drive (see Upgrade
bay hard drive on page 66).
7.Remove the keyboard (see 
Keyboard on page 71).
8.Remove the top cover (see 
Top cover on page 83).
9.Remove the display assembly (see 
Display assembly on page 88).
10.Remove the fan/graphics board heat sink (see 
Fan/graphics board heat sink assembly
on page 75).
11.Remove the processor heat sink (see 
Processor heat sink on page 110).
12.Remove the audio/USB 2.0 board (see 
Audio/USB 2.0 board on page 94).
13.Remove the speaker assembly (see 
Speaker assembly on page 96).
14.Remove the Card reader/USB 3.0 board (see 
Card reader/USB 3.0 board on page 102).
When replacing the system board, be sure that the following additional components are removed
from the defective system board and installed on the replacement system board:
●SIM (see 
SIM on page 52)
●Bluetooth module and cable (see 
Bluetooth module on page 59 and Bluetooth module cable
on page 103)
●WLAN module (see 
WLAN module on page 60)
●WWAN module (see 
WWAN module on page 62)
●RTC battery (see 
RTC battery on page 63)
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							●Primary memory modules (see Primary memory module on page 67)
●Expansion memory modules (see 
Expansion memory module on page 69)
●Graphics board (see 
Graphics board on page 115)
●Processor heat sink (see 
Processor heat sink on page 110)
●Processor (see 
Processor on page 112)
●Modem module (see 
Modem module on page 97)
Remove the system board:
1.Disconnect the power connector cable (1) from the system board.
2.Disconnect the network cable (2) from the system board.
3.Remove the 2 captive screws securing the fan (1).
Component replacement procedures 105 
						

							4.Remove the 4 Phillips M2.5x3.0 screws (marked with a triangle icon) that secure the system
board to the base enclosure (2), and then remove the short stand off screw (3) and the tall stand
off screw (4).
5.Lift up on the right side of the system board (1), and then remove the system board (2) by sliding
it out.
Reverse this procedure to install the system board.
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							Network cable and jack
NOTE:The network cable is included in the Cable Kit, spare part number 652545-001.
Before removing the network cable, 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 51).
5.Remove the service access cover (see 
Service access cover on page 52).
6.Remove the optical drive (see 
Optical drive on page 63) or upgrade bay hard drive (see Upgrade
bay hard drive on page 66).
7.Remove the keyboard (see 
Keyboard on page 71).
8.Remove the top cover (see 
Top cover on page 83).
9.Remove the display assembly (see 
Display assembly on page 88).
10.Remove the fan/graphics board heat sink (see 
Fan/graphics board heat sink assembly
on page 75).
11.Remove the processor heat sink (see 
Processor heat sink on page 110).
Remove the network cable:
▲Remove the network cable from the sideband on the base enclosure.
Reverse this procedure to install the network cable.
Power connector cable
The power connector cable is included in the Cable Kit, spare part number 652545-001.
Component replacement procedures 107 
						

							Before removing the power connector cable, 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 51).
5.Remove the service access cover (see 
Service access cover on page 52).
6.Remove the optical drive (see 
Optical drive on page 63) or upgrade bay hard drive (see Upgrade
bay hard drive on page 66).
7.Remove the keyboard (see 
Keyboard on page 71).
8.Remove the top cover (see 
Top cover on page 83).
9.Remove the display assembly (see 
Display assembly on page 88).
10.Remove the fan/graphics board heat sink (see 
Fan/graphics board heat sink assembly
on page 75).
11.Remove the processor heat sink (see 
Processor heat sink on page 110).
Remove the power connector cable:
▲Remove the power connector cable jack from the base enclosure.
Reverse this procedure to install the Power connector cable.
Security lock
The security lock is included with the base enclosure assembly, spare part number 652535-001.
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							Before removing the security lock, 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 51).
5.Remove the service access cover (see 
Service access cover on page 52).
6.Remove the optical drive (see 
Optical drive on page 63) or upgrade bay hard drive (see Upgrade
bay hard drive on page 66).
7.Remove the keyboard (see 
Keyboard on page 71).
8.Remove the top cover (see 
Top cover on page 83).
9.Remove the display assembly (see 
Display assembly on page 88).
10.Remove the fan/graphics board heat sink (see 
Fan/graphics board heat sink assembly
on page 75).
11.Remove the processor heat sink (see 
Processor heat sink on page 110).
12.Remove the audio/USB 2.0 board (see 
Audio/USB 2.0 board on page 94).
13.Remove the speaker assembly (see 
Speaker assembly on page 96).
14.Remove the Card reader/USB 3.0 board (see 
Card reader/USB 3.0 board on page 102).
15.Remove the system board (see 
System board on page 103).
Remove the security lock:
1.Position the computer right-side up with the front toward you.
2.Remove the Torx T9M2.5×6.0 screw (1) that secures the security lock to the base enclosure.
Component replacement procedures 109 
						

							3.Rotate the security lock away from the base enclosure and remove the security lock from the
base enclosure (2).
Reverse this procedure to install the security lock.
Processor heat sink
DescriptionSpare part number
For use only with computer models equipped with quad-core processors 653629-001
For use only with computer models equipped with dual-core processors 652542-001
Before removing the processor heat sink, 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 51)
5.Remove the service access cover (see 
Service access cover on page 52).
6.Remove the optical drive (see 
Optical drive on page 63) or upgrade bay hard drive (see Upgrade
bay hard drive on page 66).
7.Remove the keyboard (see 
Keyboard on page 71).
8.Remove the top cover (see 
Top cover on page 83).
9.Remove the fan/graphics board heat sink assembly (see 
Fan/graphics board heat sink assembly
on page 75).
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							Remove the processor heat sink:
1.Following the sequence stamped into the processor heat sink, loosen the four Phillips captive
screws (1) that secure the processor heat sink to the system board.
NOTE:Due to the adhesive quality of the thermal material located between the processor heat
sink and the processor, it may be necessary to move the processor heat sink from side to side to
detach it from the system board.
2.Lift the processor heat sink up and to the right at an angle and remove it from the base
enclosure (2).
NOTE:Thermal paste located on the surfaces of the processor (1) and the processor heat sink
(2) must be thoroughly removed and replaced each time the processor heat sink is removed.
Replacement thermal paste is included in the processor heat sink and processor spare part kits.
Reverse this procedure to install the processor heat sink.
Component replacement procedures 111 
						

							Processor
NOTE:The processor spare part kit includes replacement thermal material.
DescriptionSpare part number
Next Generation Intel® Core™ processors, (support Intel Turbo Boost Technology) (includes replacement thermal
material):
i7-3610QM, 2.30 GHz (Turbo up to 3.30 GHz), 1600 MHz, 6 MB L3 Cache, 8 threads, 45W 680646-001
i7-3720QM, 2.60 GHz (Turbo up to 3.60 GHz), 1600 MHz, 6 MB L3 Cache, 8 threads, 45W 681283-001
i7-3820QM, 2.70 GHz (Turbo up to 3.70 GHz), 1600 MHz, 8 MB L3 Cache, 8 threads, 45W 681284-001
i7-3520M, 2.90 GHz (Turbo up to 3.60 GHz), 1600 MHz, 4 MB L3 Cache, 4 threads, 35W 681954-001
i7-3920XM, 2.90 GHz (Turbo up to 3.80 GHz), 1600 MHz, 8 MB L3 Cache, 8 threads, 55W 691351-001
Next Generation Intel® Core™ i5 processors, (support Intel Turbo Boost Technology) (includes
replacement thermal material): 
i5-3360M, 2.80 GHz (Turbo up to 3.50 GHz), 1600 MHz, 3 MB L3 Cache, 4 threads, 35W 681953-001
i5-3320M, 2.60 GHz (Turbo up to 3.30 GHz), 1600 MHz, 3 MB L3 Cache, 4 threads, 35W 681952-001
Before removing the processor, 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 51)
5.Remove the service access cover (see 
Service access cover on page 52).
6.Remove the optical drive (see 
Optical drive on page 63) or upgrade bay hard drive (see Upgrade
bay hard drive on page 66).
7.Remove the keyboard (see 
Keyboard on page 71).
8.Remove the top cover (see 
Top cover on page 83).
9.Remove the fan/graphics board heat sink assembly (see 
Fan/graphics board heat sink assembly
on page 75).
10.Remove the processor heat sink (see 
Processor heat sink on page 110).
Remove the processor:
1.Use a flat-bladed screwdriver to turn the processor locking screw (1) one-half turn
counterclockwise, until you hear a click.
112 Chapter 4   Removal and replacement procedures