HP Pavilion G4 1100 Notebook Pc Series Service Guide

							Memory module
DescriptionSpare part number
4-GB (PC3, 10600, 1333-MHz) 621569-001
2-GB (PC3, 10600, 1333-MHz) 621565-001
1-GB (PC3, 10600, 1333-MHz) 639736-001
Before removing a memory 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 48).
5.Remove the service cover (see 
Optical drive on page 49).
Remove the memory module:
1.Spread the retaining tabs (1) on each side of the memory module slot to release the memory
module. (The memory module tilts up.)
2.Remove the memory module (2) by pulling it away from the slot at an angle.
Reverse this procedure to install a memory module.
Component replacement procedures 53 
						

							WLAN module
DescriptionSpare part number
For use on all computer models:
Atheros 9485GN 802.11b/g/n 1×1 WiFi and 3012 Bluetooth 4.0 Combo Adapter 655795-001
Atheros 9285G 802.11b/g/n 1×1 WiFi Adapter 605560-005
Broadcom 4313 802.11b/g/n 1×1 WiFi and 2070 Bluetooth 2.1+EDR Combo Adapter
(Bluetooth 3.0+HS ready)600370-001
Broadcom 4313GN 802.11b/g/n 1×1 WiFi and 20702 Bluetooth 4.0 Combo Adapter 657325-001
Ralink 5390GN 802.11b/g/n 1×1 WiFi Adapter 630703-001
Realtek RTL8191SE 802.11b/g/n 1×1 WiFi Adapter 640926-001
For use only with computer models equipped with an AMD processor:
Atheros AR8002WB-1NGB 802.11b/g/n 1×1 WiFi and Bluetooth 2.1+EDR Combo Adapter
(BT3.0+HS ready)593127-001
Broadcom 4313 802.11b/g/n 1×1 WiFi Adapter 593836-001
Ralink RT3090BC4 802.11b/g/n 1×1 WiFi and Bluetooth 2.1+EDR Combo Adapter
(Bluetooth 3.0+HS ready)630705-001
Realtek 8188BC8 802.11a/b/g/n 2×2 WiFi and Bluetooth 3.0+HS Combo Adapter 602993-001
For use only with computer models equipped with an Intel processor:
Intel Centrino Advanced-N 6230 WLAN module 631956-001
Intel Centrino Wireless-N 1000 593530-001
Ralink RT3090BC4 802.11b/g/n 1×1 WiFi and Bluetooth 2.1+EDR Combo Adapter (BT3.0+HS
ready)656120-001
CAUTION:To prevent an unresponsive system, replace the wireless module only with a wireless
module authorized for use in the computer by the governmental agency that regulates wireless
devices in your country or region. If you replace the module and then receive a warning message,
remove the module to restore device functionality, and then contact technical support.
Before removing the WLAN 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 48).
5.Remove the service cover (see 
Optical drive on page 49).
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							Remove the WLAN module:
1.Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module.
NOTE:The 1/black WLAN antenna cable is connected to the WLAN module 1/Main terminal.
The 2/gray WLAN antenna cable is connected to the WLAN module 2/Aux terminal.
2.Remove the Phillips PM2.0×4.0 screw (2) that secures the WLAN module to the system board.
(The WLAN module tilts up.)
3.Remove the WLAN module by pulling the module away from the slot at an angle (3).
NOTE:The WLAN module is designed with a notch (4) to prevent incorrect installation into
the WLAN module socket.
NOTE:If the WLAN antennas are not connected to the terminals on the WLAN module,
the protective sleeves must be installed on the antenna connectors, as shown in the following
illustration.
Reverse this procedure to install the WLAN module.
Component replacement procedures 55 
						

							Keyboard
NOTE:The keyboard spare part kit includes a keyboard cable.
DescriptionSpare part number
Keyboard with black finish for use in Brazil 636376-201
Keyboard with black finish for use in Canada 636376-121
Keyboard with black finish for use in India (for use only with computer models equipped with an
Intel processor)636376-D61
Keyboard with black finish for use in Japan 636376-291
Keyboard with black finish for use in Latin America 636376-161
Keyboard with black finish for use in Saudi Arabia (for use only with computer models equipped
with an Intel processor)636376-171
Keyboard with black finish for use in South Korea 636376-AD1
Keyboard with black finish for use in Taiwan 636376-AB1
Keyboard with black finish for use in Thailand 636376-281
Keyboard with black finish for use in the United States 636376-001
Keyboard with silver finish for use in Brazil 645893-201
Keyboard with silver finish for use in Canada 645893-121
Keyboard with silver finish for use in India (for use only with computer models equipped with an
Intel processor)645893-D61
Keyboard with silver finish for use in Japan 645893-291
Keyboard with silver finish for use in Latin America 645893-161
Keyboard with silver finish for use in Saudi Arabia (for use only with computer models equipped
with an Intel processor)645893-171
Keyboard with silver finish for use in South Korea 645893-AD1
Keyboard with silver finish for use in Taiwan 645893-AB1
Keyboard with silver finish for use in Thailand 645893-281
Keyboard with silver finish for use in the United States 645893-001
Before removing the keyboard, 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 48).
5.Remove the optical drive (see 
Optical drive on page 49).
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							Remove the keyboard:
1.Remove the Phillips PM2.5×6.0 screw that secures the keyboard to the computer.
2.Rest the computer on its left side.
3.Open the computer.
4.Insert a screw driver or similar thin tool into the keyboard screw hole, and then press on the back
of the keyboard until the keyboard disengages from the computer.
5.Turn the computer right-side up with the front toward you.
Component replacement procedures 57 
						

							6.Lift the rear edge of the keyboard (1), and then swing the keyboard (2) up and forward until it
rests upside down on the palm rest.
7.Release the zero insertion force (ZIF) connector (1) to which the keyboard cable is attached, and
then disconnect the keyboard cable (2) from the system board.
8.Remove the keyboard.
Reverse this procedure to install the keyboard.
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							Top cover
NOTE:The top cover spare part kit includes the TouchPad.
DescriptionSpare part number
In butter gold finish641351-001
In charcoal gray finish641346-001
In luminous rose finish641345-001
In ocean drive finish639459-001
In Pacific blue finish641348-001
In pearl pink finish641349-001
In pewter finish641347-001
In Sonoma red finish641344-001
In sweet purple finish641350-001
In Nero black finish677168-001
Before removing the top cover, 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 48), and then remove the following components:
●Optical drive (see 
Optical drive on page 49)
●Hard drive (see 
Hard drive on page 51)
●Keyboard (see 
Keyboard on page 56)
When replacing the top cover, be sure that the following components are removed from the defective
top cover and installed on the replacement top cover:
●Power button board and cable (see 
Power button board on page 63)
●TouchPad button board and cable (see 
TouchPad button board on page 64)
●TouchPad LED board and cable (see 
TouchPad LED board on page 65)
Remove the top cover:
1.Close the computer.
2.Turn the computer upside down, with the front toward you.
Component replacement procedures 59 
						

							3.Remove the nine Phillips PM2.5×7.0 screws that secure the top cover to the computer.
4.Remove the following screws:
(1) Two Phillips PM 2.5×4.0 screws in the hard drive bay
(2) One Philllips PM2.5×6.0 screw near the memory module bay
(3) One Philllips PM2.5×6.0 screw on the right side of the hard drive bay
(4) Three Phillips PM2.5×6.0 screws in the battery bay
5.Turn the computer right-side up, with the front toward you.
6.Open the computer.
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							7.Release the ZIF connectors to which the following cables are attached, and then disconnect
the cables from the system board:
(1) Power button board cable (included with the power button board spare part kit)
(2) TouchPad cable (included in the Cable Kit, spare part number 639442-001)
(3) TouchPad button board cable (included with the TouchPad button board spare part kit)
8.Lift the front edge of the top cover (1) until the left and right sides disengage from
the base enclosure.
Component replacement procedures 61 
						

							9.Remove the top cover (2).
Reverse this procedure to install the top cover.
62 Chapter 4   Removal and replacement procedures