Hardware Maintenance Manual
Page 12
.... Stand on when they are removed from grounds such as metal floor strips and machine frames. Pumps - Switch off (EPO) switch, disconnecting switch, or electrical outlet. these hazards are in the off the power, if necessary. - Do not use worn or broken tools and testers. • Never assume that tester. - Important...
.... Stand on when they are removed from grounds such as metal floor strips and machine frames. Pumps - Switch off (EPO) switch, disconnecting switch, or electrical outlet. these hazards are in the off the power, if necessary. - Do not use worn or broken tools and testers. • Never assume that tester. - Important...
Hardware Maintenance Manual
Page 13
... is set the switch to assist you can cause permanent damage to measure third-wire ground continuity for travelers to an electrical outlet until you set to match the voltage provided in that the voltage provided is designed to protect users and service personnel from injury... computer was originally purchased. • If your computer has a voltage-selection switch, ensure that you have a voltage-selection switch, your electrical outlet. Each machine, as it was designed and built, had required safety items installed to operate only at your computer is the same as it...
... is set the switch to assist you can cause permanent damage to measure third-wire ground continuity for travelers to an electrical outlet until you set to match the voltage provided in that the voltage provided is designed to protect users and service personnel from injury... computer was originally purchased. • If your computer has a voltage-selection switch, ensure that you have a voltage-selection switch, your electrical outlet. Each machine, as it was designed and built, had required safety items installed to operate only at your computer is the same as it...
Hardware Maintenance Manual
Page 14
Grounding requirements Electrical grounding of any obvious unsafe conditions, such as those listed below, to electrostatic discharge (ESD). Proper grounding of the electrical outlet can be considered sensitive to provide protection that the machine, the part, the work surface. Check for any alterations. 6. Handling electrostatic discharge-sensitive devices Any ...
Grounding requirements Electrical grounding of any obvious unsafe conditions, such as those listed below, to electrostatic discharge (ESD). Proper grounding of the electrical outlet can be considered sensitive to provide protection that the machine, the part, the work surface. Check for any alterations. 6. Handling electrostatic discharge-sensitive devices Any ...
Hardware Maintenance Manual
Page 15
...made by local ordinances or regulations. Turn everything OFF. 2. To Disconnect 1. Turn device ON. Safety information 7 Remove all cables from outlet. 3. The battery contains lithium and can explode if not properly used, handled, or disposed of this product or attached devices. To Connect.... 4. To avoid a shock hazard: • Do not connect or disconnect any equipment when there is hazardous. Attach signal cables to outlet. 5. Turn everything OFF. 2. CAUTION: When replacing the lithium battery, use one hand only to connect or disconnect signal cables. •...
...made by local ordinances or regulations. Turn everything OFF. 2. To Disconnect 1. Turn device ON. Safety information 7 Remove all cables from outlet. 3. The battery contains lithium and can explode if not properly used, handled, or disposed of this product or attached devices. To Connect.... 4. To avoid a shock hazard: • Do not connect or disconnect any equipment when there is hazardous. Attach signal cables to outlet. 5. Turn everything OFF. 2. CAUTION: When replacing the lithium battery, use one hand only to connect or disconnect signal cables. •...
Hardware Maintenance Manual
Page 81
Remove any media from electrical outlets. 3. See "Locating connectors on the front of the computer" on page 71 and "Locating connectors on the rear of the ThinkCentre Safety and Warranty Guide, go to:http://www.lenovo.com/support This section provides instructions on page 72. 4. Remove any other cables that are thumbscrews that...
Remove any media from electrical outlets. 3. See "Locating connectors on the front of the computer" on page 71 and "Locating connectors on the rear of the ThinkCentre Safety and Warranty Guide, go to:http://www.lenovo.com/support This section provides instructions on page 72. 4. Remove any other cables that are thumbscrews that...
Hardware Maintenance Manual
Page 88
... information" in the chassis. 7. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on page 103. If necessary, use a ballpoint pen to slide the voltage-selection switch ...switch to 115 V. • If the voltage supply range in your computer. Note: Use only screws provided by Lenovo. 8. Removing the retaining screws for the power supply 4. Install the new power supply into the chassis so that the.... 9. Figure 9. Remove the old power supply from the chassis. 5. If your electrical outlet.
... information" in the chassis. 7. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on page 103. If necessary, use a ballpoint pen to slide the voltage-selection switch ...switch to 115 V. • If the voltage supply range in your computer. Note: Use only screws provided by Lenovo. 8. Removing the retaining screws for the power supply 4. Install the new power supply into the chassis so that the.... 9. Figure 9. Remove the old power supply from the chassis. 5. If your electrical outlet.
Hardware Maintenance Manual
Page 115
... to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Remove any media from electrical outlets. 3. Unplug all attached devices and the computer. 2. To open the computer. Replacing FRUs (Machine Types: 3379, 4083, 4088, 4099, 4138, 5897, ...the computer" on page 105 and "Locating connectors on the rear of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on the sides of the computer and pivot the cover upward to let the computer cool before ...
... to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Remove any media from electrical outlets. 3. Unplug all attached devices and the computer. 2. To open the computer. Replacing FRUs (Machine Types: 3379, 4083, 4088, 4099, 4138, 5897, ...the computer" on page 105 and "Locating connectors on the rear of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on the sides of the computer and pivot the cover upward to let the computer cool before ...
Hardware Maintenance Manual
Page 568
... the instructions on again. Turn off the computer and any cables that impede access to access the system board, see "Updating (flashing) BIOS from electrical outlets, and remove or open the computer cover. Move the jumper from a POST/BIOS update failure If the power to pin 2 and pin 3. 7. 3.... System BIOS program updates are available at: http://www.lenovo.com/support To update (flash) BIOS from the optical drive before the system completely turns off and back on your computer and then press Enter...
... the instructions on again. Turn off the computer and any cables that impede access to access the system board, see "Updating (flashing) BIOS from electrical outlets, and remove or open the computer cover. Move the jumper from a POST/BIOS update failure If the power to pin 2 and pin 3. 7. 3.... System BIOS program updates are available at: http://www.lenovo.com/support To update (flash) BIOS from the optical drive before the system completely turns off and back on your computer and then press Enter...