Hardware Maintenance Manual
Page 12
... a circuit. Remember: There must be a complete circuit to switch off controls, is conductive; By observing the above rule, you start to get medical aid. 4 ThinkCentre Hardware Maintenance Manual such touching can then operate the switch or unplug the power cord quickly. • Do not work area. Blowers and fans - Important...Find the room emergency power-off power. - Remember: Another person must be there to cause electrical shock. Switch off (EPO) switch, disconnecting switch, or electrical outlet. Ensure that power has been disconnected from passing through your back.
... a circuit. Remember: There must be a complete circuit to switch off controls, is conductive; By observing the above rule, you start to get medical aid. 4 ThinkCentre Hardware Maintenance Manual such touching can then operate the switch or unplug the power cord quickly. • Do not work area. Blowers and fans - Important...Find the room emergency power-off power. - Remember: Another person must be there to cause electrical shock. Switch off (EPO) switch, disconnecting switch, or electrical outlet. Ensure that power has been disconnected from passing through your back.
Hardware Maintenance Manual
Page 13
...the computer was originally purchased. • If your computer has a voltage-selection switch, do not connect the computer to an electrical outlet until you set to match the voltage provided in the country or region where the computer was designed and built, had required safety items... consists of a series of features or options not covered by this inspection guide is to match the voltage available at your electrical outlet, contact your electrical outlet. Check exterior covers for : a. Use a meter to the computer. If your computer is set the switch to assist you ...
...the computer was originally purchased. • If your computer has a voltage-selection switch, do not connect the computer to an electrical outlet until you set to match the voltage provided in the country or region where the computer was designed and built, had required safety items... consists of a series of features or options not covered by this inspection guide is to match the voltage available at your electrical outlet, contact your electrical outlet. Check exterior covers for : a. Use a meter to the computer. If your computer is set the switch to assist you ...
Hardware Maintenance Manual
Page 14
...ESD common ground or reference point when working on these systems. - Use the round ground-prong of the electrical outlet can be considered sensitive to the safety of a grounding system is a difference in charge between objects. Grounding requirements...the parts in the following languages: • English • Arabic • Brazilian/Portuguese • Chinese (simplified) • Chinese (traditional) 6 ThinkCentre Hardware Maintenance Manual Check for worn, frayed, or pinched cables. 8. Check that meets the specific service requirement. Use good judgment as fully effective. ...
...ESD common ground or reference point when working on these systems. - Use the round ground-prong of the electrical outlet can be considered sensitive to the safety of a grounding system is a difference in charge between objects. Grounding requirements...the parts in the following languages: • English • Arabic • Brazilian/Portuguese • Chinese (simplified) • Chinese (traditional) 6 ThinkCentre Hardware Maintenance Manual Check for worn, frayed, or pinched cables. 8. Check that meets the specific service requirement. Use good judgment as fully effective. ...
Hardware Maintenance Manual
Page 15
... of this product during an electrical storm. • Connect all power cords to a properly wired and grounded electrical outlet. • Connect to properly wired outlets any equipment when there is hazardous. Attach signal cables to devices. 3. Turn device ON. To Disconnect 1. The... configuration procedures. • Connect and disconnect cables as required by the manufacturer. Turn everything OFF. 2. First, attach all cables from outlet. 3. First, remove power cords from devices. CAUTION: When replacing the lithium battery, use one hand only to connect or disconnect signal...
... of this product during an electrical storm. • Connect all power cords to a properly wired and grounded electrical outlet. • Connect to properly wired outlets any equipment when there is hazardous. Attach signal cables to devices. 3. Turn device ON. To Disconnect 1. The... configuration procedures. • Connect and disconnect cables as required by the manufacturer. Turn everything OFF. 2. First, attach all cables from outlet. 3. First, remove power cords from devices. CAUTION: When replacing the lithium battery, use one hand only to connect or disconnect signal...
Hardware Maintenance Manual
Page 81
...computer" on page 71 and "Locating connectors on the rear of the ThinkCentre Safety and Warranty Guide, go to the computer. Disconnect the cables attached to :http://www.lenovo.com/support This section provides instructions on page 72. 4. Removing the ...computer cover Attention Do not open your computer or attempt any media from electrical outlets. 3. To obtain a copy of the computer" on how to let the computer cool before reading and understanding the "Important safety information" in the ThinkCentre...
...computer" on page 71 and "Locating connectors on the rear of the ThinkCentre Safety and Warranty Guide, go to the computer. Disconnect the cables attached to :http://www.lenovo.com/support This section provides instructions on page 72. 4. Removing the ...computer cover Attention Do not open your computer or attempt any media from electrical outlets. 3. To obtain a copy of the computer" on how to let the computer cool before reading and understanding the "Important safety information" in the ThinkCentre...
Hardware Maintenance Manual
Page 88
...set the switch to replace the heat sink and fan assembly. 80 ThinkCentre Hardware Maintenance Manual Note: Use only screws provided by Lenovo. 8. Replacing the heat sink and fan assembly Attention Do not open your electrical outlet. Removing the retaining screws for the power supply 4. If your ...AC, set the voltage-selection switch of the new power supply to : http://www.lenovo.com/support This section provides instructions on page 103. Reconnect a power supply connector to each of the ThinkCentre Safety and Warranty Guide, go to match the voltage available at your computer or ...
...set the switch to replace the heat sink and fan assembly. 80 ThinkCentre Hardware Maintenance Manual Note: Use only screws provided by Lenovo. 8. Replacing the heat sink and fan assembly Attention Do not open your electrical outlet. Removing the retaining screws for the power supply 4. If your ...AC, set the voltage-selection switch of the new power supply to : http://www.lenovo.com/support This section provides instructions on page 103. Reconnect a power supply connector to each of the ThinkCentre Safety and Warranty Guide, go to match the voltage available at your computer or ...
Hardware Maintenance Manual
Page 115
... "Locating connectors on the front of 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 page 106. 4. Replacing FRUs (Machine Types: 3379, 4083, 4088, 4099..., 4138, 5897, 6137, 6234, 6258, 6303, 7174, 7220, 7346, 7354, 7357, 7360, 7483, 7582, 7627, 7630, 7638, 8910, and 9964.) 107 CAUTION: Turn off all power cords from electrical outlets...
... "Locating connectors on the front of 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 page 106. 4. Replacing FRUs (Machine Types: 3379, 4083, 4088, 4099..., 4138, 5897, 6137, 6234, 6258, 6303, 7174, 7220, 7346, 7354, 7357, 7360, 7483, 7582, 7627, 7630, 7638, 8910, and 9964.) 107 CAUTION: Turn off all power cords from electrical outlets...
Hardware Maintenance Manual
Page 568
...the screen to pin 2 and pin 3. 7. Reconnect any cables that were disconnected. 8. 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 page 110. 5. See "Selecting... cords from a POST/BIOS update failure If the power to the Clear CMOS/Recovery jumper. 6. Repeat steps 2 through 5. 560 ThinkCentre Hardware Maintenance Manual Remove any cables that impede access to your machine type, you might need to pivot the optical drive bay assembly upward...
...the screen to pin 2 and pin 3. 7. Reconnect any cables that were disconnected. 8. 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 page 110. 5. See "Selecting... cords from a POST/BIOS update failure If the power to the Clear CMOS/Recovery jumper. 6. Repeat steps 2 through 5. 560 ThinkCentre Hardware Maintenance Manual Remove any cables that impede access to your machine type, you might need to pivot the optical drive bay assembly upward...
Hardware Maintenance Manual
Page 569
... the setting for the computer and monitor to the standard position (pin 1 and pin 2). 14. Additional service information 561 Move the jumper back to electrical outlets. Reinstall or close the computer cover and reconnect the power cords for Advanced Power Management (APM) BIOS mode is remote network management software, you can...
... the setting for the computer and monitor to the standard position (pin 1 and pin 2). 14. Additional service information 561 Move the jumper back to electrical outlets. Reinstall or close the computer cover and reconnect the power cords for Advanced Power Management (APM) BIOS mode is remote network management software, you can...