Instruções de Operação Dell, Modelo Latitude D420
Fabricante : Dell
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5. Press , select Save changes and reboot, and press to save configuration changes. 6. Remove the flash BIOS update program CD from the drive and restart the computer. Back to Contents Page NOTE: If you use a BIOS update program CD to flash the BIOS, set up the computer to boot from a CD before inserting the CD. Back to Contents Page Hard Drive Dell™ Latitude™ D420 Service Manual Removing the Hard Drive Dismantling the Hard Drive Replacing the Hard Drive Removing the Hard Drive 1. Follow the procedures in Before You Begin. 2. Turn the computer upside down, and loosen the two captive screws on the metal bracket that holds the hard drive. 3. Holding the bracket by the sides, slide it toward the back of the computer to dislodge the bracket from underneath the two metal clips. 4. Remove the metal bracket from the hard drive and lay the bracket aside. 5. Use the pull-tab to disconnect the hard drive cable from the system board connector and remove the hard drive from the computer. CAUTION: If you remove the hard drive from the computer when the drive is hot, do not touch the metal housing of the hard drive. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: To prevent data loss, turn off your computer before removing the hard drive. Do not remove the hard drive while the computer is turned on, in standby mode, or in hibernate mode. NOTICE: Hard drives are extremely fragile; even a slight bump can damage the drive. NOTE: Dell does not guarantee compatibility or provide support for hard drives from sources other than Dell. NOTE: You need the Operating System CD to install the Microsoft® Windows® operating system. You also need the Drivers and Utilities CD for your computer to install the drivers and utilities on the new hard drive. NOTE: This computer is not equipped with an optical drive—use the Media Base (sold separately) to install software. NOTE: Before you remove the hard drive, ensure that you removed the main battery. 1 captive screws (2) 2 metal bracket 3 hard drive 4 metal clips (2) NOTICE: When the hard drive is not in the computer, store it in protective antistatic packaging. See "Protecting Against Electrostatic Discharge" in the Product Information Guide. Dismantling the Hard Drive 1. Use your fingers to carefully remove the protective cover from the hard drive. 2. Use a hard drive tool to carefully pry up the ZIF connector that holds the hard drive cable, and remove the cable. 1 pull-tab 2 hard drive cable 3 hard drive 4 system board connector NOTICE: The replacement hard drive ships with the protective cover and the hard drive cable. Only a certified service technician should dismantle the hard drive. Damage due to servicing that is not authorized by Dell is not covered by your warranty. 1 protective cover 2 hard drive Replacing the Hard Drive 1. Follow the steps in Removing the Hard Drive in reverse order. 2. Install the operating system for your computer (see "Restoring Your Operating System" in your computer User's Guide). 3. Install the drivers and utilities for your computer (see "Reinstalling Drivers and Utilities" in your computer User's Guide). Back to Contents Page 1 ZIF connector 2 hard drive cable NOTICE: Use firm and even pressure to slide the drive into place. If you use excessive force, you may damage the connector. NOTE: This computer is not equipped with an optical drive—use the Media Base (sold separately) to install software. Back to Contents Page Hinge Cover Dell™ Latitude™ D420 Service Manual 1. Follow the procedures in Before You Begin. 2. Open the display all the way (180 degrees) so that it rests on your work surface. 3. Starting on the right side of the computer, use a plastic scribe to pry up the hinge cover. 4. Ease the hinge cover up, moving from right to left, and remove it. To replace the hinge cover, insert the left edge of the cover into the hinge cover slot, and press from left to right until the cover snaps into place. Back to Contents Page CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on the back of the computer). NOTICE: The hinge cover is fragile and can be damaged if extreme force is used. Be careful when removing the hinge cover. NOTICE: To avoid damaging the hinge cover, do not lift the cover on both sides simultaneously. 1 hinge cover 2 plastic scribe Back to Contents Page Keyboard Dell™ Latitude™ D420 Service Manual 1. Follow the procedures in Before You Begin. 2. Remove the hinge cover (see Hinge Cover). 3. Remove the keyboard: a. Remove the three M2 x 3-mm screws across the top of the keyboard. b. Rotate the keyboard forward to gain access to the two keyboard connectors. c. Pull up on the plastic bars on...
