Dell C840 free download

File name C840.PDF

Dell Latitude C840 Service Manual DellTM LatitudeTM C840 Service Manual Before You Begin Preparing to Work Inside the Computer Recommended Tools Computer Orientation Screw Identification System Components Hard Drive and Fixed Optical Drive Hard Drive Fixed Optical Drive System Upgrades Memory Modules Modem Daughter Card Mini PCI Card Keyboard Display Display Overview Hinge Cover Display Assembly Display Bezel Display Panel Display Latch Microprocessor Thermal-Cooling Assembly Microprocessor Module Video Graphics Board Palm Rest Reserve Battery System Board Battery and Module Bay Latches Battery Charger Board LED Board Fan RJ-11/RJ-45 Module Pin Assignments for I/O Connectors file:///F|/Service%20Manuals/Dell/Latitude/c840/index.htm (1 of 2) [2/28/2004 8:03:26 AM] Before You Begin: Dell Latitude C840 Service Manual Back to Contents Page Before You Begin DellTM LatitudeTM 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. file:///F|/Service%20Manuals/Dell/Latitude/c840/begin.htm (1 of 6) [2/28/2004 8:03:35 AM] 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 pro