Dell M70 manual Removing the System Board

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System Board

Dell Precision™ M70 Service Manual

Removing the System Board

CAUTION: Before performing the following procedures, read the safety instructions in your Product Information Guide.

NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

The system board's BIOS chip contains the Service Tag, which is also visible on a barcode label on the bottom of the computer. The replacement kit for the system board includes a CD that provides a utility for transferring the Service Tag to the replacement system board.

NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries.

1.Follow the instructions in "Preparing to Work Inside the Computer."

2.Remove any installed modules.

3.Remove the mini PCI card.

4.Remove the modem.

5.Remove the display assembly.

6.Remove the keyboard.

7.Remove the palm rest.

8.Remove the video-card thermal cooling assembly.

9.Remove the microprocessor thermal-cooling assembly.

10.Remove the video card fan.

11.Remove the microprocessor fan.

12.Remove the memory.

13.Remove the microprocessor.

14.Remove the hard drive.

15.Remove the smart card reader.

16.Remove the PC Card carrier.

17.Remove the speakers.

18.Remove the two M2.5 x 5-mm screws from the button board.