Dell C540 user manual

User manual for the device Dell C540

Device: Dell C540
Size: 2,53 MB
Date of adding : 2013-06-28 17:50:24
Number of pages: 53
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Dell C540 user manual
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Abstracts of contents
Summary of the content on the page No. 1

Dell™ Latitude™ C540/C640 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
Microprocessor Module
Hybrid Cooling Fan
Reserve Battery
Flashing the BIOS
Speaker Assemblies
System Board
Battery and Module Bay Latches
Pin Assignments for I/O Connectors
Notes, Notices, and Cautions
NOTE: A NOTE indicates important information that helps you m

Summary of the content on the page No. 2

Back to Contents Page 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 CAUTION: Before working inside your computer, read the safety instructions in your System Information Guide. 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. NOTICE: To avoid

Summary of the content on the page No. 3

Recommended Tools The procedures in this manual require the following tools: #1 magnetized Phillips screwdriver ¼-inch flat-blade screwdriver Small plastic scribe Microprocessor extractor Flash BIOS update program floppy disk or CD. Computer Orientation 1 back 2 right 3 front 4 left Screw Identification When you are removing and replacing components, photocopy the placemat as a tool to lay out and keep track of the screws. The placemat provides the number of scr

Summary of the content on the page No. 4

NOTICE: When reinstalling a screw, you must use a screw of the correct diameter and length. Ensure that the screw is properly aligned with its corresponding hole, and avoid overtightening. Hard Drive Door: Memory Module Cover: (1 each) (2 captive screws) (1 each) NOTE: The single screw is one of the five keyboard screws. Modem to Keyboard to System Board: Bottom Case: (2 each) (5 each) Hinges to Bottom Case: Display-Feed Flex Cable: (5 each) (4 each) Display Bezel: Display Panel to Top Cover: (6

Summary of the content on the page No. 5

Display Latch: Palm Rest to Bottom Case: (2 each) (2 each) (3 each) (5 each) Hybrid Cooling Fan: System Board to Bottom Case: (2 each) (1 each) (10 each) Back to Contents Page

Summary of the content on the page No. 6

Back to Contents Page System Components Dell™ Latitude™ C540/C640 Service Manual 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: Unless otherwise noted, each procedure in this document assumes that a part can be replaced by performing the removal procedure in reverse order. 1 display assembly 10 bottom case 2 center control cover 11 memory module cover 3 microproce

Summary of the content on the page No. 7

9 fan guard Back to Contents Page

Summary of the content on the page No. 8

Back to Contents Page Hard Drive Dell™ Latitude™ C540/C640 Service Manual Removing the Hard Drive 1. Save and close any open files, exit any open programs, and then shut down the computer. NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries. NOTICE: The hard drive is very sensitive to shock. Handle the hard drive by its edges (do not squeeze the top of the hard drive case), and avoid dropping it. NOTICE: Read "Preparing to Work In

Summary of the content on the page No. 9

Replacing the Hard Drive NOTICE: Use firm and even pressure to slide the hard drive into place. If you force the hard drive into place using excessive force, you may damage the connector. 1. Lift the hard drive door until you hear a click. Push the hard drive until it is fully seated in the hard drive bay. 2. Press the hard drive door down. 3. Replace the M3 x 5-mm screw in the hard drive door. Back to Contents Page

Summary of the content on the page No. 10

Back to Contents Page Memory Modules, Mini PCI Card, and Modem Dell™ Latitude™ C540/C640 Service Manual Memory Modules Mini PCI Card Modem Memory Modules Removing the Memory Module Cover 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. NOTICE: Read "Preparing to Work Inside the Computer" before

Summary of the content on the page No. 11

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. NOTICE: Read "Preparing to Work Inside the Computer" before performing the following procedure. 1. Remove the memory module cover. NOTICE: To prevent damage to the memory module connector, do not use tools to spread the inner metal tabs that secure th

Summary of the content on the page No. 12

NOTE: Memory modules are keyed, or designed to fit into their sockets, in only one direction. NOTICE: The memory module must be inserted at a 45-degree angle to avoid damaging the connector. 2. Align the notch in the memory-module edge connector with the tab in the socket. 3. Slide the edge connector of the module firmly into the socket at a 45-degree angle, and rotate the module down until it clicks into place. If you do not feel the click, remove the module and reinstall it. 4. Replace the m

Summary of the content on the page No. 13

1 antenna connectors on card (2) 2 antenna cables (2) Replacing the Mini PCI Card 1. Align the Mini PCI card with the socket at a 45-degree angle, and press the Mini PCI card into the socket. NOTICE: The connectors are keyed for correct insertion; do not force the connections. 2. Pivot the Mini PCI card down until it snaps into the inner tabs of the socket. 3. Attach the antenna cables to the Mini PCI card. 4. Replace the memory module cover and tighten the two captive screws. Modem Removing

Summary of the content on the page No. 14

NOTICE: Do not pull on the modem cable. Pull from the modem connector to disconnect the cable. 3. Pull straight up on the attached pull-tab to lift the modem out of its connector on the system board and disconnect the modem cable. 1 M2 x 3-mm screws (2) 2 modem connector 3 modem cable 4 pull-tab Replacing the Modem 1. Connect the modem cable to the modem. NOTICE: The connectors are keyed for correct insertion; do not force the connections. 2. Align the modem with the screw holes on the system

Summary of the content on the page No. 15

Back to Contents Page Keyboard 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. NOTICE: Read "Preparing to Work Inside the Computer" before performing the following procedure. . 1. Remove the hard drive 2. Turn the computer over, and rem

Summary of the content on the page No. 16

5. To release the keyboard from the palm rest, use a small, flat-blade screwdriver or plastic scribe to pry up the right edge of the keyboard near the blank key. 1 keyboard 2 track stick 3 blank key 4 palm rest 6. Lift the keyboard straight up about an inch and then rotate it forward toward the front of the computer, until the key face is resting on the palm rest. NOTICE: Do not pull on the keyboard flex and track stick cables. 7. Pull up on the keyboard connector to disc

Summary of the content on the page No. 17

1 boss supports (5) 2 track stick cable 3 keyboard flex cable 4 keyboard interface connector 5 orientation label 8. Remove the keyboard from the bottom case. Replacing the Keyboard 1. Place the keyboard on the palm rest at the front of the computer with the keys face down and the connector toward the back of the computer. NOTICE: To avoid damage to the connector pins, press the keyboard connector evenly into the interface connector on the system board, and do not reverse the keyboard connector

Summary of the content on the page No. 18

Back to Contents Page

Summary of the content on the page No. 19

Back to Contents Page Display Assembly, Display Latch, and Hinge Covers Dell™ Latitude™ C540/C640 Service Manual Display Assembly Display Latch Hinge Covers Display Assembly NOTICE: You must remove the display assembly before you remove the palm rest. 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 comp

Summary of the content on the page No. 20

1 M2 x 3-mm screws (2) 2 top cover 3 center control cover 4 M2.5 x 5-mm screws (5) 5 bottom case 6 display-feed flex cable 7 EMI shield bracket 8. Remove the two M2 x 3-mm screws that secure the display-feed flex cable to the system board. NOTICE: When reconnecting the display-feed flex cable connector to the system board, push down on the top left and right ends of the connector. Pressing on the center of the connector may damage resistors and compromise EMI protection in the computer.


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