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8. Slide the battery into the battery bay, until it clicks in place. 9. Install the drivers and utilities for your computer, as required. For more information, see the Dell Technology Guide. Back to Contents Page NOTICE: The connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors on the card and on the system board, and realign the card. NOTICE: To avoid damage to the WLAN card, never place cables under the card. NOTICE: Use firm and even pressure to slide the card into place. If you use excessive force, you may damage the connector. NOTE: The gray antenna cable may not be available in all computers. The presence of the gray antenna cable in your Mini-Card compartment depends upon the type of display. NOTE: If you are installing a communication card from a source other than Dell, you must install the appropriate drivers and utilities. For more information, see the Dell Technology Guide. Back to Contents Page Optical Drive Dell™ Vostro™ A840/A860 Service Manual Removing the Optical Drive Replacing the Optical Drive Removing the Optical Drive 1. Follow the procedures in Before You Begin. 2. Remove the screw that secures the optical drive to the computer base. 3. Slide the optical drive out of the optical drive slot. Replacing the Optical Drive 1. Slide the optical drive into the slot. 2. Replace and tighten the screw securing the optical drive. 3. Slide the battery into the battery bay, until it clicks in place. Back to Contents Page CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching a connector on the back panel of the computer. 1 screw 2 optical drive Back to Contents Page Palm Rest Dell™ Vostro™ A840/A860 Service Manual Removing the Palm Rest Replacing the Palm Rest Removing the Palm Rest 1. Follow the instructions in Before You Begin. 2. Remove any cards from the 3-in-1 media card slot. 3. Remove the center control cover (see Removing the Center Control Cover). 4. Remove the keyboard (see Removing the Keyboard). 5. Remove the display assembly (see Display). 6. Turn the computer over and remove any installed memory modules and the WLAN card (see Memory Module and Removing the WLAN Card). 7. Remove the screw from the memory bay. 8. Remove the optical drive (see Removing the Optical Drive). 9. Remove the two screws from the optical drive bay. 10. Remove the ten screws from the computer base. 11. Turn the computer over and remove the two screws from the top of the palmrest. 12. Disconnect the power/keyboard device status light, touch pad, and display hinge connectors from the system board. 13. Starting at the top of the palm rest, use your fingers to separate the palm rest from the computer base by lifting the inside of the palm rest while pulling in on the outside CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer. NOTICE: Carefully separate the palm rest from the computer base to avoid damage to the palm rest. Replacing the Palm Rest 1. Align the palm rest with the computer base and gently snap it into place. 2. Reconnect the power/keyboard device status light, touch pad, and display hinge cables to the respective system board connectors. 3. Replace the two screws on the top of the palm rest. 4. Turn the computer over and replace the 13 screws in the computer base. 5. Replace the display assembly (see Replacing the Display Assembly). 6. Replace the memory modules (see Replacing the Memory Module(s)). 7. Replace the card in the 3-in-1 card slot. 8. Replace the WLAN card (see Replacing the WLAN Card). 9. Replace the hard drive (see Replacing the Hard Drive). 10. Slide the battery into the battery bay, until it clicks in place. Back to Contents Page 1 palmrest screw (2) 2 power/keyboard status light cable 3 touch pad cable 4 display hinge cable Back to Contents Page Speaker Dell™ Vostro™ A840/A860 Service Manual Removing the Speaker Replacing the Speaker Removing the Speaker 1. Follow the instructions in Before You Begin. 2. Remove the palm rest (see Palm Rest). 3. Remove the screws that secure the speaker to the computer base. 4. Disconnect the speaker cable from the system board connector. 5. Remove the speaker. Replacing th...