Dell Latitude C840 Service Manual - Page 3

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Before You Begin: Dell Latitude C840 Service Manual 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: q #1 magnetized Phillips screwdriver q Small flat-blade screwdriver q Microprocessor extractor q Nonmarring plastic scribe q Flash BIOS update floppy disk or CD (provided when needed to upgrade the BIOS) file:///F|/Service%20Manuals/Dell/Latitude/c840/begin.htm (2 of 6) [2/28/2004 8:03:35 AM]

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Before You Begin: Dell Latitude C840 Service Manual
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
●
Small flat-blade screwdriver
●
Microprocessor extractor
●
Nonmarring plastic scribe
●
Flash BIOS update floppy disk or CD (provided when needed to upgrade the
BIOS)
file:///F|/Service%20Manuals/Dell/Latitude/c840/begin.htm (2 of 6) [2/28/2004 8:03:35 AM]