Install the new power supply assembly into the chassis so that the screw holes in the new power supply assembly are aligned with the corresponding holes in the rear of the chassis. Any adapter cards c. Pivot the drive bay assembly upward, remove the four screws that secure the heat sink fan duct, and then lift the heat sink fan duct up to remove it from the chassis. Installing the microprocessor socket cover Completing the parts replacement After completing the installation or replacement for all parts, you need to reinstall the computer cover and reconnect cables. Enter text from picture:

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Lenovo B8U Hardware Maintenance Manual (Page of )

Page 15 Chapter 2 Safety information Install the new front fan assembly by aligning the new rubber mounts that came with the new front fan assembly with the corresponding holes in the chassis, and then push the rubber mounts through the holes. Problems with Lenovo ThinkCentre A70?

Chapters Table Of Contents ThinkCentre A70 U2u – Lenovo. Safety information 9 General safety 9 Electrical safety 9 Voltage-selection switch 11 Safety inspection guide 11 Handling electrostatic discharge-sensitive devices 12 Grounding requirements 12 Safety notices multi-lingual translations 12 Chapter 3.


To replace the power supply assembly, do the following: Flash the system and re-test. Locating connectors and parts on the rear of your t1g.

Lenovo 7099B8U Hardware Maintenance Manual Page 163

Install the four screws to secure the new power supply assembly in place. Then, install the two screws to secure the new optical drive in place.

Use only screws provided by Lenovo. This item is in your list! Selecting a temporary startup device. System Board diagnostics diskette in the first 3. Hold the hard disk drive from one side of the drive bay assembly and remove the four screws that secure the hard disk drive from the other side.

ThinkCentre A70 c2u – Lenovo

Disconnect the power supply assembly cables from all drives and from the pin power connector and 4-pin power connector on the system board. Page 90 Figure Cable routing For a clear illustration of the cable routing, some components are not shown here. Page 50 In the following index, X can represent any number. Per evitare il rischio di scosse elettriche: Any adapter cards c.


Replacing the heat sink and fan assembly.

Undetermined Problems Lenivo problems If you encounter undetermined problems, do the following: Accessing the system board components and drives If you decide to set a password, read the following sections. Installing the optical drive Page 74 – Locating connectors and parts on the rea To view or permanently change the configured startup device sequence, do the following: Additional information resources If you have Internet access, the most up-to-date information for your computer is available at: Password considerations A password can be any combination of up to 16 1 to 16 alphabetic and numeric characters.

About This Manual Chapter 1. Commencez par brancher tous les cordons sur les 2. We have the following 39 documents available for the Lenovo ThinkCentre A You will need lenovvo log files when you speak to a Lenovo technical support representative.

Microprocessor, E Processor 3.