Dell Inspiron 4100, KOMPUTERY, DELL
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7 SECTION 7 Removing and Replacing Parts Preparing to Work Inside the Computer Recommended Tools Screw Identification System Components Palm Rest Inserts Display Cover Hard Drive Assembly Adding a Daughter Card Modem Module Bay Devices Memory Module Mini PCI Card Assembly Keyboard Assembly Display Assembly Display Latch Hinge Covers Palm Rest Microprocessor Thermal Cooling Assembly Microprocessor Module Flashing the BIOS Reserve Battery System Speaker Assembly System Board Assembly Module Latch Assemblies 96 Removing and Replacing Parts Preparing to Work Inside the Computer 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: To avoid damaging the computer, perform the following steps before you begin working inside the computer. 1 Make sure that the work surface is clean to prevent scratching the computer cover. 2 Save any work in progress and close all open programs. 3 Turn off the computer and all attached devices. NOTE: Make sure the computer is turned off and not in suspend-to-disk or hibernate mode. If you cannot shut down the computer using the computer operating system, press and hold the power button for 4 seconds. 4 Make sure the computer is undocked. 5 Disconnect the computer from the electrical outlet. 6 To avoid possible damage to the system board, wait 10 to 20 seconds and then disconnect any attached devices. 7 Disconnect all other external cables from the computer. 8 Remove any installed PC Cards or plastic blanks from the PC Card slot. 9 Close the display and turn the computer upside down on a flat work surface. NOTICE: To avoid damaging the system board, you must remove the main battery and secondary battery (if present) before you service the computer. 10 Remove the primary battery from the battery bay and the secondary battery from the module bay, if a secondary battery is in use. 11 Remove any installed device in the module bay. 12 To dissipate any static electricity while you work, use a wrist grounding strap or periodically touch an unpainted metal surface. Removing and Replacing Parts 97 13 Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by it edges or by its metal mounting bracket. Hold a component such as a microprocessor by its edges, not by its pins. 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 1 4 2 3 98 Removing and Replacing Parts • 1 back 2rig t 3fr t 4 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 screws and their sizes. NOTICE: When reinstalling a screw, you must use a screw of the correct diameter and length. Make sure that the screw is properly aligned with its corresponding hole, and avoid over tightening. Hard Drive Door: (1 each) Keyboard to Bottom Case: (5 each) Removing and Replacing Parts 99 left [ Pobierz całość w formacie PDF ] |