Hardware Maintenance Manual
Page 10
..., is conductive; these hazards are removed from electrical shock. • Find the room emergency power-off power. - Switch off (EPO) switch, disconnecting switch, or electrical outlet. Do not use the approved probe leads and accessories for possible hazards in the safety sections of the units.) • If an electrical accident occurs...
..., is conductive; these hazards are removed from electrical shock. • Find the room emergency power-off power. - Switch off (EPO) switch, disconnecting switch, or electrical outlet. Do not use the approved probe leads and accessories for possible hazards in the safety sections of the units.) • If an electrical accident occurs...
Hardware Maintenance Manual
Page 11
... have verified that the voltage-selection switch is to the country or region where you are not sure of the voltage provided at your electrical outlet. Each machine, as it was in the country or region where the computer was originally purchased. Consider these products. Use a meter to ... where the computer was originally purchased. • If your computer has a voltage selection switch, do not connect the computer to an electrical outlet until you have verified that the voltage provided is the same as it was designed and built, had required safety items installed to operate only...
... have verified that the voltage-selection switch is to the country or region where you are not sure of the voltage provided at your electrical outlet. Each machine, as it was in the country or region where the computer was originally purchased. Consider these products. Use a meter to ... where the computer was originally purchased. • If your computer has a voltage selection switch, do not connect the computer to an electrical outlet until you have verified that the voltage provided is the same as it was designed and built, had required safety items installed to operate only...
Hardware Maintenance Manual
Page 12
..., or pinched cables. 8. Use an ESD common ground or reference point when working on ac-operated computers. Use the round ground-prong of the electrical outlet can use have not been removed or tampered with other liquids, or signs of the computer is especially useful when handling ESD-sensitive devices. •...
..., or pinched cables. 8. Use an ESD common ground or reference point when working on ac-operated computers. Use the round ground-prong of the electrical outlet can use have not been removed or tampered with other liquids, or signs of the computer is especially useful when handling ESD-sensitive devices. •...
Hardware Maintenance Manual
Page 13
...same manufacturer. Chapter 2. Turn everything OFF. 2. First, remove power cords from connectors. 4. Attach signal cables to properly wired outlets any equipment when there is hazardous. To Disconnect 1. To Connect 1. To avoid a shock hazard: • Do not connect...8226; Connect all cables from power, telephone and communication cables is evidence of . Remove signal cables from outlet. 3. Remove all power cords to a properly wired and grounded electrical outlet. • Connect to connectors. 4. Safety information 7 • German • Hebrew • Italian...
...same manufacturer. Chapter 2. Turn everything OFF. 2. First, remove power cords from connectors. 4. Attach signal cables to properly wired outlets any equipment when there is hazardous. To Disconnect 1. To Connect 1. To avoid a shock hazard: • Do not connect...8226; Connect all cables from power, telephone and communication cables is evidence of . Remove signal cables from outlet. 3. Remove all power cords to a properly wired and grounded electrical outlet. • Connect to connectors. 4. Safety information 7 • German • Hebrew • Italian...
Hardware Maintenance Manual
Page 75
Chapter 8. Turn off all attached devices and the computer. 2. Remove any media from electrical outlets. This section provides instructions on how to let the computer cool before opening the computer cover. Replacing FRUs (Types 7258, 7260, 7268, 7270, 7280, 7296, ...
Chapter 8. Turn off all attached devices and the computer. 2. Remove any media from electrical outlets. This section provides instructions on how to let the computer cool before opening the computer cover. Replacing FRUs (Types 7258, 7260, 7268, 7270, 7280, 7296, ...
Hardware Maintenance Manual
Page 78
Remove the four screws at your electrical outlet. Ensure that the screw holes in the power supply assembly align with your computer or attempt any repair before opening the computer cover. Reconnect the ... power supply assembly cables from the system board and from all drives. Attention Do not open your computer. Note: Use only the screws provided by Lenovo. 9. Replacing the system board CAUTION: The heat sink and microprocessor might be very hot. See "System board connectors" on its side. 3. If necessary, use a ballpoint...
Remove the four screws at your electrical outlet. Ensure that the screw holes in the power supply assembly align with your computer or attempt any repair before opening the computer cover. Reconnect the ... power supply assembly cables from the system board and from all drives. Attention Do not open your computer. Note: Use only the screws provided by Lenovo. 9. Replacing the system board CAUTION: The heat sink and microprocessor might be very hot. See "System board connectors" on its side. 3. If necessary, use a ballpoint...
Hardware Maintenance Manual
Page 105
... instructions on how to the computer. Chapter 9. Disconnect the cables attached to remove the cover. To open the computer cover: 1. Remove any media from electrical outlets. 3. This includes power cords, input/output (I/O) cables, and any locking devices, such as a cable lock that are connected to let the computer cool before opening...
... instructions on how to the computer. Chapter 9. Disconnect the cables attached to remove the cover. To open the computer cover: 1. Remove any media from electrical outlets. 3. This includes power cords, input/output (I/O) cables, and any locking devices, such as a cable lock that are connected to let the computer cool before opening...
Hardware Maintenance Manual
Page 528
...is interrupted while POST/BIOS is very important because they are available at: http://www.lenovo.com/support 1. Locate the Clear CMOS/Recovery jumper on . Move the jumper from electrical outlets, and remove the computer cover. 3. Reconnect the power cords for the flash BIOS ... If the system board has only two pins for your keyboard that contains the installation instructions for the computer and monitor to electrical outlets. 522 ThinkCentre Hardware Maintenance Manual Updating (flashing) BIOS from the operating system version). 3. System BIOS program updates are not on ...
...is interrupted while POST/BIOS is very important because they are available at: http://www.lenovo.com/support 1. Locate the Clear CMOS/Recovery jumper on . Move the jumper from electrical outlets, and remove the computer cover. 3. Reconnect the power cords for the flash BIOS ... If the system board has only two pins for your keyboard that contains the installation instructions for the computer and monitor to electrical outlets. 522 ThinkCentre Hardware Maintenance Manual Updating (flashing) BIOS from the operating system version). 3. System BIOS program updates are not on ...