Dell Precision M40 서비스 매뉴얼 - 페이지 2

{카테고리_이름} Dell Precision M40에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Dell Precision M40 27 페이지. Dell precision mobile workstation m40 service manual

Back to Contents Page

Before You Begin

Dell Precision™ Mobile Workstation M40 Service Manual

Preparing to Work Inside the Computer

Recommended Tools

Screw Identification

NOTICE:

Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not

covered by your warranty.

NOTICE:

To avoid damaging the computer, perform the following steps before you begin working inside the computer:

1. Make sure that the work surface is flat and clean to prevent scratching the computer cover.

2. Save any work in progress and close all open application programs.

3. Turn off the computer and all attached devices.

NOTE:

Before turning off the computer, make sure the computer is not in a power-management mode.

4. Make sure the computer is undocked.

5. Disconnect the computer from the electrical outlet.

6. To avoid possible damage to the system board, wait 10 to 20 seconds and then disconnect any attached devices.

7. Disconnect all other external cables from the computer.

8. Remove any installed PC Cards or plastic blanks from the PC Card slot.

9. Close the display and turn the computer upside down on a flat work surface.

10. Remove the battery from the battery bay.

NOTICE:

To avoid component damage, always remove any installed batteries before you service the computer.

11. Remove any device installed in the modular bay.

12. To dissipate static electricity while you work, periodically touch an unpainted metal surface on the computer chassis.

13. Handle components and cards by their edges, and avoid touching pins and contacts.

The procedures in this manual require the following tools:

#1 magnetized Phillips screwdriver

Small flat-blade screwdriver

Small plastic scribe

Microprocessor extractor

Nonmarring tool

Flash BIOS upgrade program diskette or CD (provided when needed to upgrade the system BIOS)

System Orientation