Before You Begin; Preparing To Work Inside The Computer; Recommended Tools; Computer Orientation - Dell Latitude C840 Service Manual
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Also See for Latitude C840:
- System information manual (136 pages) ,
- User manual (120 pages) ,
- Service manual (78 pages)
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Before You Begin
Dell™ Latitude™ C840 Service Manual
Preparing to Work Inside the Computer
Recommended Tools
Computer Orientation
Screw Identification
Preparing to Work Inside the Computer
CAUTION:
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 warrantly. Read and follow all safety instructions in "Safety and EMC Instructions: Portable Computers" in your System
Information Guide.
NOTICE:
To avoid damaging the computer, perform the following steps before you begin working inside the computer.
1. Ensure that the work surface is flat and clean to prevent scratching the computer cover.
2. Save any work in progress and exit all open programs.
3. Turn off the computer and all attached devices.
NOTE:
Before turning off the computer, ensure that the computer is not in a power-management mode.
4. Ensure that 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 module 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.
Recommended Tools
The procedures in this document require the following tools:
#1 magnetized Phillips screwdriver
l
Small flat-blade screwdriver
l
Microprocessor extractor
l
Nonmarring plastic scribe
l
Flash BIOS update floppy disk or CD (provided when needed to upgrade the BIOS)
l
Computer Orientation
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