Lenovo G770 Userguide V1.0
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b Fan louvers Dissipate internal heat. Connect to devices with HDMI input such as a TV or a display. Note: For details, see "Connecting USB devices" on page 15. 3 ..., see "Wired connection" on page 19. Note: For details, see "Attaching a security lock (not supplied)" on page 22. Note: Make sure that none of the fan louvers are blocked or else overheating of the computer may occur. e HDMI port f USB port Connects to USB devices. c VGA port Connects to know your...
b Fan louvers Dissipate internal heat. Connect to devices with HDMI input such as a TV or a display. Note: For details, see "Connecting USB devices" on page 15. 3 ..., see "Wired connection" on page 19. Note: For details, see "Attaching a security lock (not supplied)" on page 22. Note: Make sure that none of the fan louvers are blocked or else overheating of the computer may occur. e HDMI port f USB port Connects to USB devices. c VGA port Connects to know your...
Lenovo G770 Hardware Maintenance Manual V1.0
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...23 Passwords 24 Power-on password 24 Supervisor password 24 Power management 25 Screen blank mode 25 Sleep (standby) mode 25 Hibernation mode 26 Lenovo G770 27 Specifications 27 Status indicators 29 Fn key combinations 31 FRU replacement notices 32 Screw notices 32 Removing and replacing an FRU 33 1010 Battery...PCI Express Mini Card for wireless LAN/WAN 41 1080 Keyboard 43 1090 Keyboard bezel 45 1100 System board 49 1110 LCD unit 52 1120 Fan assembly and Heat Sink assembly 54 1130 CPU 56 1140 Base cover, speakers, bluetooth card and power assembly 57 1150 LCD front bezel ...
...23 Passwords 24 Power-on password 24 Supervisor password 24 Power management 25 Screen blank mode 25 Sleep (standby) mode 25 Hibernation mode 26 Lenovo G770 27 Specifications 27 Status indicators 29 Fn key combinations 31 FRU replacement notices 32 Screw notices 32 Removing and replacing an FRU 33 1010 Battery...PCI Express Mini Card for wireless LAN/WAN 41 1080 Keyboard 43 1090 Keyboard bezel 45 1100 System board 49 1110 LCD unit 52 1120 Fan assembly and Heat Sink assembly 54 1130 CPU 56 1140 Base cover, speakers, bluetooth card and power assembly 57 1150 LCD front bezel ...
Lenovo G770 Hardware Maintenance Manual V1.0
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... Do not obstruct fan louvers or cover them with your feet. 3. Lift it over. • Do not wear loose clothing that can stand safely without slipping. 2. If your hair is worn or defective. • Reinstall all safety shields, guards, labels, and ground wires. Lenovo G770 Hardware Maintenance Manual ... can be hazardous to your eyes. • After service, reinstall all covers correctly before returning the machine to the customer. • Fan louvers on the machine help to lift any heavy object: 1. Do not attempt to prevent the overheating of your necktie or scarf inside ...
... Do not obstruct fan louvers or cover them with your feet. 3. Lift it over. • Do not wear loose clothing that can stand safely without slipping. 2. If your hair is worn or defective. • Reinstall all safety shields, guards, labels, and ground wires. Lenovo G770 Hardware Maintenance Manual ... can be hazardous to your eyes. • After service, reinstall all covers correctly before returning the machine to the customer. • Fan louvers on the machine help to lift any heavy object: 1. Do not attempt to prevent the overheating of your necktie or scarf inside ...
Lenovo G770 Hardware Maintenance Manual V1.0
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... grounds. • Do not touch live electrical circuits with the power on when they are removed from their normal operating places in your work area. Lenovo G770 Hardware Maintenance Manual • Always look carefully for possible hazards in a machine: - such touching can cause personal injury and machine damage. • Do not service.... The surface is conductive; Switch off the power. - Use caution: do not become a victim yourself. - Send the victim to get medical aid. 4 Pumps - Blowers and fans - Examples of the units.) • If an electrical accident occurs: -
... grounds. • Do not touch live electrical circuits with the power on when they are removed from their normal operating places in your work area. Lenovo G770 Hardware Maintenance Manual • Always look carefully for possible hazards in a machine: - such touching can cause personal injury and machine damage. • Do not service.... The surface is conductive; Switch off the power. - Use caution: do not become a victim yourself. - Send the victim to get medical aid. 4 Pumps - Blowers and fans - Examples of the units.) • If an electrical accident occurs: -
Lenovo G770 Hardware Maintenance Manual V1.0
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... and heat sink assembly Detach the fan connector in order: • "1010 Battery pack" on page 34 • "1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover" on ...; "1090 Keyboard bezel" on page 45 • "1100 System board" on page 49 Figure 12. a When installing: Make sure that the fan connector is attached firmly to the system board. 54 Lenovo G770 Hardware Maintenance Manual 1120 Fan assembly and Heat Sink assembly For access, remove these FRUs in the direction shown by arrow a.
... and heat sink assembly Detach the fan connector in order: • "1010 Battery pack" on page 34 • "1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover" on ...; "1090 Keyboard bezel" on page 45 • "1100 System board" on page 49 Figure 12. a When installing: Make sure that the fan connector is attached firmly to the system board. 54 Lenovo G770 Hardware Maintenance Manual 1120 Fan assembly and Heat Sink assembly For access, remove these FRUs in the direction shown by arrow a.
Lenovo G770 Hardware Maintenance Manual V1.0
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Be careful not to damage the connector. Lenovo G770 Figure 12. b b b b c c c Lift the fan assembly and heat sink assembly in the direction shown by arrow d. Removal steps of fan assembly and heat sink assembly (continued) Remove four screws b and three screws c . d Step b c Screw (quantity) Color M2 × 2 mm, flat-head, nylok-coated (4) Black M2.5 × 4 mm, flat-head, nylok-coated (3) Black Torque 1.6 kgfcm 2.0 kgfcm 55
Be careful not to damage the connector. Lenovo G770 Figure 12. b b b b c c c Lift the fan assembly and heat sink assembly in the direction shown by arrow d. Removal steps of fan assembly and heat sink assembly (continued) Remove four screws b and three screws c . d Step b c Screw (quantity) Color M2 × 2 mm, flat-head, nylok-coated (4) Black M2.5 × 4 mm, flat-head, nylok-coated (3) Black Torque 1.6 kgfcm 2.0 kgfcm 55
Lenovo G770 Hardware Maintenance Manual V1.0
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... 43 • "1090 Keyboard bezel" on page 45 • "1100 System board" on page 49 • "1120 Fan assembly and Heat Sink assembly" on page 54 Attention: CPU is extremely sensitive. Figure 13. Lenovo G770 Hardware Maintenance Manual 1130 CPU For access, remove these FRUs in the direction shown by arrow to release...
... 43 • "1090 Keyboard bezel" on page 45 • "1100 System board" on page 49 • "1120 Fan assembly and Heat Sink assembly" on page 54 Attention: CPU is extremely sensitive. Figure 13. Lenovo G770 Hardware Maintenance Manual 1130 CPU For access, remove these FRUs in the direction shown by arrow to release...
Lenovo G770 Hardware Maintenance Manual V1.0
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manual h Battery pack i Battery latch - Lenovo G770 Hardware Maintenance Manual Bottom and Left-side view a Kensington slot b Fan louvers c VGA port d RJ-45 port e HDMI port (Select models only) f USB port g Battery latch - spring loaded j Hard disk drive (HDD)/Memory/Mini PCI Express Card slot compartment 7 8 9 1 2 3 4 5 6 10 6 6 68
manual h Battery pack i Battery latch - Lenovo G770 Hardware Maintenance Manual Bottom and Left-side view a Kensington slot b Fan louvers c VGA port d RJ-45 port e HDMI port (Select models only) f USB port g Battery latch - spring loaded j Hard disk drive (HDD)/Memory/Mini PCI Express Card slot compartment 7 8 9 1 2 3 4 5 6 10 6 6 68
Lenovo G770 Hardware Maintenance Manual V1.0
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Lenovo G770 Table 4. FRU FRU no. CRU ID 1 LCD unit (see "LCD FRUs" on page 75.) 2 Keyboard (see "Keyboard" on page 77.) 3 PIWG4 UPPER CASE METAL W/TP/... CARD READER BOARD W/CABLE 31050105 N 10 PIWG4 LED BOARD W/CABLE 31050111 ** 11 PIWG4 THERMAL MODULE-DIS 31050101 ** 11 PIWG4 THERMAL MODULE-UMA 31050102 ** 11 PIWG4 FAN UMA 31050103 ** 12 PIWG1 THERMAL PAD-PCH ET0540002/300 31048221 ** 13 DDRIII 1333 1GB, M471B2873FHS-CH9 (Rev F /1Gb/ 11011936 ** 46nm) 13 DDRIII 1333 1GB, RMT1910MD66E7F...
Lenovo G770 Table 4. FRU FRU no. CRU ID 1 LCD unit (see "LCD FRUs" on page 75.) 2 Keyboard (see "Keyboard" on page 77.) 3 PIWG4 UPPER CASE METAL W/TP/... CARD READER BOARD W/CABLE 31050105 N 10 PIWG4 LED BOARD W/CABLE 31050111 ** 11 PIWG4 THERMAL MODULE-DIS 31050101 ** 11 PIWG4 THERMAL MODULE-UMA 31050102 ** 11 PIWG4 FAN UMA 31050103 ** 12 PIWG1 THERMAL PAD-PCH ET0540002/300 31048221 ** 13 DDRIII 1333 1GB, M471B2873FHS-CH9 (Rev F /1Gb/ 11011936 ** 46nm) 13 DDRIII 1333 1GB, RMT1910MD66E7F...