Lenovo G770 Userguide V1.0
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... the computer to an electrical outlet 1 Connect the power cord to the AC adapter. 2 Connect the AC adapter to the AC power adapter jack of the computer firmly. 3 Plug the power cord into an electrical outlet. Turning on the computer Press the power button to turn on AC power. Learning the basics Chapter 2. Chapter 2. Learning the...
... the computer to an electrical outlet 1 Connect the power cord to the AC adapter. 2 Connect the AC adapter to the AC power adapter jack of the computer firmly. 3 Plug the power cord into an electrical outlet. Turning on the computer Press the power button to turn on AC power. Learning the basics Chapter 2. Chapter 2. Learning the...
Lenovo G770 Userguide V1.0
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.... 15 Before disconnecting a USB storage device, make sure your computer by the device's manufacturer before disconnecting. Note: If your USB device uses a power cord, connect the device to your computer has finished transferring data by that device. The first time you can connect a USB device to... a power source before connecting. After the driver is installed, you plug a USB device into the USB port on your computer. Click the Safely ...
.... 15 Before disconnecting a USB storage device, make sure your computer by the device's manufacturer before disconnecting. Note: If your USB device uses a power cord, connect the device to your computer has finished transferring data by that device. The first time you can connect a USB device to... a power source before connecting. After the driver is installed, you plug a USB device into the USB port on your computer. Click the Safely ...
Lenovo G770 Userguide V1.0
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.... - When I turn on the computer, only a white cursor appears on . (Press the power button again for the LCD screen has been turned off. 31 Press Fn + F2 to the...comprehensive information in Chapter 2. My screen goes blank while the • Your screen saver or power management may be enabled. Touch the touchpad. - Press any key on . Display problems When ... the computer, • If the screen is installed correctly. - Chapter 5. Press the power button. - The computer power is installed correctly. • If these items are properly set, and the screen remains...
.... - When I turn on the computer, only a white cursor appears on . (Press the power button again for the LCD screen has been turned off. 31 Press Fn + F2 to the...comprehensive information in Chapter 2. My screen goes blank while the • Your screen saver or power management may be enabled. Touch the touchpad. - Press any key on . Display problems When ... the computer, • If the screen is installed correctly. - Chapter 5. Press the power button. - The computer power is installed correctly. • If these items are properly set, and the screen remains...
Lenovo G770 Userguide V1.0
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AC adapter Power cord for your computer, and informs you of where to find replacement instructions. CRU instructions The following table provides a list of CRUs (Customer Replaceable Units) for AC adapter Battery Bottom access doors Hard disk drive Memory Optical drive Setup Poster O O O User Guide O O O O O 44 Appendix A.
AC adapter Power cord for your computer, and informs you of where to find replacement instructions. CRU instructions The following table provides a list of CRUs (Customer Replaceable Units) for AC adapter Battery Bottom access doors Hard disk drive Memory Optical drive Setup Poster O O O User Guide O O O O O 44 Appendix A.
Lenovo G770 Hardware Maintenance Manual V1.0
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... board 17 Important information about replacing RoHS compliant FRUs 18 General checkout 19 What to do first 20 Power system checkout 21 Checking the AC adapter 21 Checking operational charging 21 Checking the battery pack 22 Related... default 23 Using recovery discs 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 ... FRUs 75 Keyboard 77 Miscellaneous parts 79 AC adapters 80 Power cords 81 Notices 84 Trademarks 85 iii
... board 17 Important information about replacing RoHS compliant FRUs 18 General checkout 19 What to do first 20 Power system checkout 21 Checking the AC adapter 21 Checking operational charging 21 Checking the battery pack 22 Related... default 23 Using recovery discs 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 ... FRUs 75 Keyboard 77 Miscellaneous parts 79 AC adapters 80 Power cords 81 Notices 84 Trademarks 85 iii
Lenovo G770 Hardware Maintenance Manual V1.0
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...high voltages; Performing a mechanical inspection - Attention: An electrical shock can then operate the switch or unplug the power cord quickly. • Do not work with the power-off (EPO) switch, disconnecting switch, or electrical outlet. If an electrical accident occurs, you can occur only...in the off position. • If you from a circuit. Stand on the machine, unplug the power cord. Ensure that it to work on electrical equipment; First, check it has been powered off the power, if necessary. - Safety information Electrical safety Observe the following precautions: -
...high voltages; Performing a mechanical inspection - Attention: An electrical shock can then operate the switch or unplug the power cord quickly. • Do not work with the power-off (EPO) switch, disconnecting switch, or electrical outlet. If an electrical accident occurs, you can occur only...in the off position. • If you from a circuit. Stand on the machine, unplug the power cord. Ensure that it to work on electrical equipment; First, check it has been powered off the power, if necessary. - Safety information Electrical safety Observe the following precautions: -
Lenovo G770 Hardware Maintenance Manual V1.0
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...designed and built, required safety items were installed to attachment of non-Lenovo features or options not covered by this inspection guide is to assist you in good condition. Check the power cord for cracked or bulging batteries. 5. b. Check inside the unit for ... third-wire ground continuity for any non-Lenovo alterations. 7. Use a meter to the safety of any obvious non-Lenovo alterations. Safety information Safety inspection guide The purpose of this inspection guide. Disconnect the power cord. 3. The power cord should use the following checklist at the beginning...
...designed and built, required safety items were installed to attachment of non-Lenovo features or options not covered by this inspection guide is to assist you in good condition. Check the power cord for cracked or bulging batteries. 5. b. Check inside the unit for ... third-wire ground continuity for any non-Lenovo alterations. 7. Use a meter to the safety of any obvious non-Lenovo alterations. Safety information Safety inspection guide The purpose of this inspection guide. Disconnect the power cord. 3. The power cord should use the following checklist at the beginning...
Lenovo G770 Hardware Maintenance Manual V1.0
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... : • Replace the system board. • If the problem persists, go to "Lenovo G770" on the computer. Turn off the computer. 2. Make sure that power is used. • If the power-on indicator does not turn on , check the power cord of the total power remaining when installed in the computer. 21 Measure the output voltage at...
... : • Replace the system board. • If the problem persists, go to "Lenovo G770" on the computer. Turn off the computer. 2. Make sure that power is used. • If the power-on indicator does not turn on , check the power cord of the total power remaining when installed in the computer. 21 Measure the output voltage at...
Lenovo G770 Hardware Maintenance Manual V1.0
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... the notes that pertain to replacement. Do not attempt to service any FRUs that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, review "FRU replacement notices" on page 32. 3. Lenovo G770 Removing and replacing an FRU This section presents exploded figures with one hand or using an...
... the notes that pertain to replacement. Do not attempt to service any FRUs that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, review "FRU replacement notices" on page 32. 3. Lenovo G770 Removing and replacing an FRU This section presents exploded figures with one hand or using an...
Lenovo G770 Hardware Maintenance Manual V1.0
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Lenovo G770 Parts list This section presents the following service parts: • "Overall" on page 70 • "LCD FRUs" on page 75 • "Keyboard" on page 77 • "Miscellaneous parts" on page 79 • "AC adapters" on page 80 • "Power cords" on page 81 Notes: • Each FRU is available for all types or models, unless specific types or models are specified. 69
Lenovo G770 Parts list This section presents the following service parts: • "Overall" on page 70 • "LCD FRUs" on page 75 • "Keyboard" on page 77 • "Miscellaneous parts" on page 79 • "AC adapters" on page 80 • "Power cords" on page 81 Notes: • Each FRU is available for all types or models, unless specific types or models are specified. 69