Arbeitsschutzrichtlinien beim Anheben der Maschine beachten. Complete Lenovo customer service contact information including steps to reach representatives, hours of operation, customer support links and more from ContactHelp. Reverse engineering or disassembly is prohibited. Lift the small handle and open the retainer to access the microprocessor Figure To view or permanently change the configured startup device sequence, do the following: Reinstall the computer cover and reconnect the power cords for the computer and monitor.
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This manual also for: General Checkout Service Support and Engineering functions. ThinkcentreThinkcentreThinkcentreThinkcentreThinkcentreThinkcentre Notices Lenovo representative for information on the products and services currently available in your area.
Remove or disconnect the following components if installed one at a time. Press F3 to review the log file exceeded 2. Video card, if installed 3.
Handling Electrostatic Discharge-sensitive Devices 5. Connect the new front fan assembly cable to the system fan connector on the system board.
Lenovo 7099U1U Hardware Maintenance Manual
Voltage-selection Switch Voltage-selection lsnovo Some computers are equipped with a voltage-selection switch located near the power-cord connection point on the computer. Removing the six screws that secure the system board Locating connectors and parts on the rear of your computer.
Double click to zoom. Remove the computer cover. To replace the optical drive, do the following: ThinkCentre Hardware Maintenance Manual Adapters and miscellaneous FRUs.
Do one of the following: Nicht in den Strahl f1v. Device on IRQ7 2. Run Setup to enable DDC 2. You might need to remove the front bezel and pivot the drive bay assembly upward to avoid interference with removing the PCI card.
Additional Information Resources Additional information resources If you have Internet access, the most up-to-date information for your computer is available at: Comments to this Manuals Your Name. Section Page Chapter 1. Table 799 Contents Add to my manuals Add. Remove the microprocessor from the failing system board and install it on the new system board.
Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic lenofo. An operating system password is very similar to a power-on password and denies access to the computer by an unauthorized user when the password is activated.
Lenovo ThinkCentre A70 Hardware Maintenance Manual Page:
Then, install the three screws to secure the new power supply assembly in place. Replacing Frus machine Types: Do not use this type of mat to protect yourself from an electric shock. Reinstall the front bezel. Contact Information Complete Lenovo customer service contact information including steps to reach representatives, hours of operation, customer support links and more from ContactHelp.
Page 15 Chapter 2 Safety information Password Considerations Password considerations Lnovo password can be any combination of up to 16 1 to 16 alphabetic and numeric characters.