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# Memory Module, Modem, Optical Drive, and Floppy Drive

Dell™ Latitude™ V710/V740 Service Manual

Memory Module

Modem

Optical Drive

Floppy Drive

## Memory Module

### Removing the Memory Module/Modem Cover

| NOTE: This procedure covers removing and replacing the memory module located under the memory module/modem cover on the bottom of the computer. A second memory module resides on the upper surface of the system board under the EMI shield. To replace the memory module under the EMI shield, perform the procedure for removing the EMI shield. Then replace the memory module.

| 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. Turn the computer over, and remove the memory module/modem cover:
   1. Remove the M2.5 x 5-mm screw from the memory module/modem cover.
   1. Slide the cover out approximately 10 mm, and lift it away from the computer.

1 | M2.5 x 5-mm screw
2 | memory module/modem cover

| NOTICE: To prevent damage to the memory module connector, do not use tools to spread the inner metal tabs that secure the memory module.

1. If you are replacing a memory module, remove the existing module.

| NOTICE: Handle memory modules by their edges, and do not touch the components on a module.

1. Use your fingertips to carefully spread apart the securing clips on each end of the memory module connector.

The module should pop up.

1. Remove the module from the connector.

1 | securing clip
2 | memory module

1. Ground yourself and install the new memory module:
   1. Align the notch in the module with the slot in the center of the connector.
   1. Slide the edge of the module firmly into the connector, and rotate the module down until you hear a click. If you do not hear the click, remove the module and reinstall it.

1. Replace the cover and screw:
   1. Place the memory module/modem cover over the memory module/modem compartment so that the end of the cover with the screw hole is lined up with the lines and arrows on the bottom of the computer.
   1. Press down on the center of the memory module/modem cover, and slide the cover until it is secured.
   2. Replace and tighten the M2.5 x 5-mm screw.

| NOTICE: If the memory module/modem cover is difficult to close, remove the module and reinstall it. Forcing the cover to close may damage your computer.

1 | M2.5 x 5-mm screw
2 | memory module/modem cover
3 | arrows (2)
4 | lines (2)

1. Insert the battery into the battery bay, or connect the AC adapter to your computer and an electrical outlet.
2. Turn on the computer.

As the computer boots, it detects the additional memory and automatically updates the system configuration information.

## Modem

| CAUTION: Before performing these procedures, turn off the computer, disconnect it from the electrical outlet, and disconnect the modem from the telephone wall jack.

| NOTICE: Disconnect 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. Turn the computer over, and remove the memory module/modem cover:
   1. Remove the M2.5 x 5-mm screw from the memory module/modem cover.
   1. Slide the cover out approximately 10 mm, and lift it away from the computer.

1 | M2.5 x 5-mm screw
2 | memory module/modem cover

1. If a modem is not already installed, go to step 3. If you are replacing a modem, remove the existing modem:
   1. Remove the two M2 x 3-mm screws that secure the modem to the system board, and set them aside.
   1. Pull the modem straight up by the pull tab to lift the modem out of its connector, and disconnect the modem cable.

1 | M2 x 3-mm screws (2)
2 | pull tab
3 | modem cable connector
4 | modem cable

1. Connect the modem cable to the new modem.

| NOTICE: The cable connectors are keyed for correct insertion; do not force the connections.

1. Align the modem with the screw holes and press the modem into its connector on the system board.

Install the two M2 x 3-mm screws to secure the modem to the system board.

1. Replace the memory module/modem cover and screw:
   1. Place the memory module/modem cover over the memory module/modem compartment so that the end of the cover with the screw hole is lined up with the lines and arrows on the bottom of the computer.
   1. Press down on the center of the memory module/modem cover, and slide the cover until it is secured.
   2. Replace and tighten the M2.5 x 5-mm screw.

| NOTICE: Replace the memory module/modem cover so that it is seated properly around the edges and does not bulge near the center of the cover. Tightening the memory-module/modem cover screw when the cover is improperly seated can damage your computer.

1 | M2.5 x 5-mm screw
2 | memory module/modem cover
3 | arrows (2)
4 | lines (2)

## Optical Drive

### Removing an Installed Optical Drive

| 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. If a disc is in the optical drive, remove the disc.

| NOTICE: Disconnect the computer and attached devices from electrical outlets, and remove any installed batteries.

1. Remove the memory module/modem cover:
   1. Remove the M2.5 x 5-mm screw from the memory module/modem cover.
   1. Slide the cover out approximately 10 mm, and lift it away from the computer.

1 | M2.5 x 5-mm screw
2 | memory module/modem cover

1. Remove the M2.5 x 8-mm screw from the optical drive.
2. Press the optical-drive release button, and pull the optical drive out of the computer.

1 | M2.5 x 8-mm screw
2 | optical-drive release button
3 | optical drive

### Installing an Optical Drive

1. Slide the optical drive into the bay until the optical drive is fully seated.
2. Replace and tighten the M2.5 x 8-mm screw.

1 | M2.5 x 8-mm screw
2 | optical drive

| NOTICE: Replace the memory module/modem cover so that it is seated properly around the edges and does not bulge near the center of the cover. Tightening the memory-module/modem cover screw when the cover is improperly seated can damage your computer.

1. Replace the memory module/modem cover and screw:
   1. Place the memory module/modem cover over the memory module compartment so that the end of the cover with the screw hole is lined up with the lines and arrows on the bottom of the computer.
   1. Press down on the center of the memory module/modem cover, and slide the memory module/modem cover until it is secured.
   2. Replace and tighten the M2.5 x 5-mm screw.

1 | M2.5 x 5-mm screw
2 | memory module/modem cover
3 | arrows (2)
4 | lines (2)

## Floppy Drive

### Removing an Installed Floppy Drive

| 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. If a disk is in the floppy drive, remove the disk.

| NOTICE: Disconnect the computer and attached devices from electrical outlets, and remove any installed batteries.

| NOTICE: Ensure that you disconnect the flex cable from the ZIF connector before you remove the floppy drive from the computer. See step 3 for further instructions.

1. Remove the two M2.5 x 5-mm screws from the floppy drive, and partially pull the drive out of the computer.

1 | M2.5 x 5-mm screws (2)
2 | ZIF connector
3 | floppy drive
4 | flex cable

| NOTICE: Release the securing tab before you disconnect the flex cable from the ZIF connector. Failure to do so can damage the ZIF connector.

1. Disconnect the flex cable from the ZIF connector:
   1. Pull the securing tab away from the ZIF connector.
   1. Gently pull the flex cable out of the ZIF connector.

1 | ZIF connector
2 | securing tab
3 | flex cable

### Installing a Floppy Drive

1. Slide the floppy drive partially into the bay.

| NOTE: If you do not connect the flex cable to the ZIF connector properly, your floppy drive will not function properly.

1. Reconnect the flex cable to the ZIF connector:
   1. Pull and hold the securing tab away from the ZIF connector.
   1. While holding the securing tab, insert the flex cable into the ZIF connector.

Ensure that you insert the flex cable into the ZIF connector and not below the ZIF connector.

1. Hold the flex cable in place and push the securing tab toward the ZIF connector.

1 | ZIF connector
2 | securing tab
3 | flex cable

1. Slide the floppy drive into the bay until the drive is fully seated.
2. Replace and tighten the two M2.5 x 5-mm screws.
3. Install the battery.
4. Turn on the computer and try using the floppy drive.

If the computer does not detect the floppy drive, you may have improperly inserted the flex cable. If so, disconnect the flex cable and reconnect it to the ZIF connector.

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