Hardware Maintenance Manual
Page 12
... when measuring high voltages. • Regularly inspect and maintain your body. - Send another person, familiar with the power-off (EPO) switch, disconnecting switch, or electrical outlet. Examples of these instructions are moist floors, nongrounded power extension cables, power surges, and missing safety grounds. • Do not touch live electrical currents. Some...
... when measuring high voltages. • Regularly inspect and maintain your body. - Send another person, familiar with the power-off (EPO) switch, disconnecting switch, or electrical outlet. Examples of these instructions are moist floors, nongrounded power extension cables, power surges, and missing safety grounds. • Do not touch live electrical currents. Some...
Hardware Maintenance Manual
Page 13
...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 can cause serious or fatal electrical shock). • Explosive hazards, such as a damaged CRT face or bulging capacitor • ... are located. A third-wire ground connector in that the voltage-selection switch is designed to match the voltage available at your electrical outlet. Power-off , and the power cord disconnected. b. If your local electric company or refer to official Web sites or other literature...
...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 can cause serious or fatal electrical shock). • Explosive hazards, such as a damaged CRT face or bulging capacitor • ... are located. A third-wire ground connector in that the voltage-selection switch is designed to match the voltage available at your electrical outlet. Power-off , and the power cord disconnected. b. If your local electric company or refer to official Web sites or other literature...
Hardware Maintenance Manual
Page 14
... to protect against ESD damage. - Check that the ESD protective devices you are all at the same charge. Grounding requirements Electrical grounding of the electrical outlet can occur when there is desirable but not required to the safety of a grounded work surface. 5. Notes: 1. ESD damage can be considered sensitive to any...
... to protect against ESD damage. - Check that the ESD protective devices you are all at the same charge. Grounding requirements Electrical grounding of the electrical outlet can occur when there is desirable but not required to the safety of a grounded work surface. 5. Notes: 1. ESD damage can be considered sensitive to any...
Hardware Maintenance Manual
Page 15
...reconfiguration 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. First, remove power cords from connectors. 4. Remove all cables to connectors. 4....with the same module type made by the manufacturer. Safety information 7 Remove signal cables from outlet. 3. CAUTION: When replacing the lithium battery, use one hand only to outlet. 5. Turn everything OFF. 2. The battery contains lithium and can explode if not properly used...
...reconfiguration 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. First, remove power cords from connectors. 4. Remove all cables to connectors. 4....with the same module type made by the manufacturer. Safety information 7 Remove signal cables from outlet. 3. CAUTION: When replacing the lithium battery, use one hand only to outlet. 5. Turn everything OFF. 2. The battery contains lithium and can explode if not properly used...
Hardware Maintenance Manual
Page 81
... 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. Removing the computer cover Attention Do not open your computer or attempt any repair before removing... cover, remove them. To obtain a copy of the computer" on how to remove the computer cover. Chapter 8. CAUTION: Turn off all power cords from electrical outlets. 3.
... 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. Removing the computer cover Attention Do not open your computer or attempt any repair before removing... cover, remove them. To obtain a copy of the computer" on how to remove the computer cover. Chapter 8. CAUTION: Turn off all power cords from electrical outlets. 3.
Hardware Maintenance Manual
Page 88
...sink and fan assembly. 80 ThinkCentre Hardware Maintenance Manual Ensure that came with those in your computer. Note: Use only screws provided by Lenovo. 8. Replacing the heat sink and fan assembly Attention Do not open your computer or attempt any repair before reading and understanding the ...supply align with your local country or region is the correct replacement. Remove the old power supply from the chassis. 5. If your electrical outlet. Reconnect a power supply connector to each of the new power supply to 230 V. 6. Install the new power supply into the chassis so...
...sink and fan assembly. 80 ThinkCentre Hardware Maintenance Manual Ensure that came with those in your computer. Note: Use only screws provided by Lenovo. 8. Replacing the heat sink and fan assembly Attention Do not open your computer or attempt any repair before reading and understanding the ...supply align with your local country or region is the correct replacement. Remove the old power supply from the chassis. 5. If your electrical outlet. Reconnect a power supply connector to each of the new power supply to 230 V. 6. Install the new power supply into the chassis so...
Hardware Maintenance Manual
Page 115
...and "Locating connectors on the rear of the computer" on how to the computer. Opening the computer cover Chapter 9. Remove any media from electrical outlets. 3. Figure 39. To open the computer cover: 1. Unplug all attached devices and the computer. 2. Remove any other cables that are connected to... open the computer cover. Press the buttons on the sides of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on page 106. 4. Opening the computer cover Attention Do not open your computer or attempt any repair...
...and "Locating connectors on the rear of the computer" on how to the computer. Opening the computer cover Chapter 9. Remove any media from electrical outlets. 3. Figure 39. To open the computer cover: 1. Unplug all attached devices and the computer. 2. Remove any other cables that are connected to... open the computer cover. Press the buttons on the sides of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on page 106. 4. Opening the computer cover Attention Do not open your computer or attempt any repair...
Hardware Maintenance Manual
Page 568
... on the screen to use is set as printers, monitors, and external drives. 2. System BIOS program updates are available at: http://www.lenovo.com/support To update (flash) BIOS from the standard position (pin 1 and pin 2) to the Clear CMOS/Recovery jumper. 6. Type ...on page 108. 4. 3. See "Selecting a startup device" on page 110. 5. Move the jumper from a disc: 1. Remove the disc from electrical outlets, and remove or open the computer cover. Repeat steps 2 through 5. 560 ThinkCentre Hardware Maintenance Manual Levels 1 and 2 Support To update (flash) the...
... on the screen to use is set as printers, monitors, and external drives. 2. System BIOS program updates are available at: http://www.lenovo.com/support To update (flash) BIOS from the standard position (pin 1 and pin 2) to the Clear CMOS/Recovery jumper. 6. Type ...on page 108. 4. 3. See "Selecting a startup device" on page 110. 5. Move the jumper from a disc: 1. Remove the disc from electrical outlets, and remove or open the computer cover. Repeat steps 2 through 5. 560 ThinkCentre Hardware Maintenance Manual Levels 1 and 2 Support To update (flash) the...
Hardware Maintenance Manual
Page 569
... back to restart the operating system. Automatic configuration and power interface (ACPI) BIOS Being an ACPI BIOS system, the operating system is allowed to electrical outlets. This can specify a date and time at which the computer will be either a single event or a daily event. • Wake on LAN: If the computer...
... back to restart the operating system. Automatic configuration and power interface (ACPI) BIOS Being an ACPI BIOS system, the operating system is allowed to electrical outlets. This can specify a date and time at which the computer will be either a single event or a daily event. • Wake on LAN: If the computer...