Removing the Modem

NOTICE Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries. NOTICE To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer. Q NOTICE Read 'Preparing to Work Inside the Computer before performing the following procedure. 1. Turn the computer over, and remove the memory module cover, which also covers the modem. 2. Remove the two M2 x 3-mm screws that secure the modem to the...

Removing the Mini PCI Card

NOTICE Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries. NOTICE To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer. (J) NOTICE Read Preparing to Work Inside the Computer before performing the following procedure. 1. Remove the memory module cover, which also covers the Mini-PCI card. 2. Disconnect the Mini PCI card from the antenna cables. 3. To release a Mini PCI...

Before You Begin

Dell Latitude C540 C640 Service Manual Preparing to Work Inside the Computer Recommended Tools Screw Identification Preparing to Work Inside the Computer jV CAUTION Before working inside your computer, read the safety instructions in your System Information Guide. jV 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 warranty. Q NOTICE To avoid damaging the computer, perform the...

System Components

Dell Latitude C540 C640 Service Manual Q 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. (J) NOTICE Unless otherwise noted, each procedure in this document assumes that a part can be replaced by performing the removal procedure in reverse order. microprocessor thermal cooling assembly modem and network-adapter connector cover Dell Latitude C540 C640 Service Manual

Removing the Keyboard

NOTICE Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries. NOTICE To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer. (J) NOTICE Read Preparing to Work Inside the Computer before performing the following procedure. 2. Turn the computer over, and remove the five M2.5 x 12-mm screws labeled circle K. 3. Turn the computer over and open the display. (J) NOTICE The keycaps...

Dell Latitude C540C640 Service Manual

Before You Begin System Components Hard Drive Memory Modules, Mini PCI Card, and Modem Keyboard Display Assembly, Display Latch, and Hinge Covers Palm Rest Microprocessor Thermal Cooling Assembly Battery and Module Bay Latches Pin Assignments for I O Connectors Xa NOTE A NOTE indicates important information that helps you make better use of your computer. Q NOTICE A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. A CAUTION A CAUTION...