Dell Inspiron N4020 Service Manual

Dell Inspiron N4020 Service Manual
Download free Dell Inspiron N4020 Service Manual will help you to repair the damage that occurs Dell Inspiron N4020. This service manual will introduce recommended tools, before working inside your computer, flashing the BIOS, removing and replacing the Bluetooth card, the removing and replacing camera, removing and replacing the coin-cell battery, removing and replacing the processor module, removing and replacing the thermal cooling assembly, removing and replacing the display assembly, removing and replacing the display bezel, removing and replacing the display panel, removing and replacing the hard drive, removing and replacing the I/O board, removing and replacing the keyboard, removing and replacing the memory module, removing and replacing the palm rest, removing and replacing the power button board, removing and replacing the battery, entering the service tag in the BIOS.

Removing and replacing the module cover; Follow the instructions before beginning. Remove the battery (see removing the battery). Remove the screw that secures the module cover to the computer base. Using the notch at the base of the computer, lift and slide the tabs of the cover of the module in the slots in the base of the computer. Removing and replacing the battery latch Assembly; Follow the instructions before beginning. Follow the instructions from step 2 to step 13 in removing the system board. Remove the card from the E / S (see removing the card of E / S). Press and press the battery release latch plastic clips to release the battery latch Assembly. With a small screwdriver, remove the latch of the battery latch Assembly spring. Slide the Assembly on the latch of the battery to one side and remove it from the base of the computer.

Removing the display unit follow the instructions before beginning. Remove the battery (see removing the battery). Follow the instructions from step 3 to step 4 in the extraction of the hard disk. Follow the instructions from step 3 to step 5 in removing the optical drive. Remove the module cover (see removing the module cover). Remove the memory modules (see removing of the (of the) memory module (s)). Remove the keyboard (see removing the keyboard). Remove the palm rest (see removing the palm rest). Disconnect the Mini Card antenna cables (see removing the mini-card) and remove the cables from the routing guides. Disconnect the cable from the display connector on the system board. Remove two screws (one on each side) that secure the display Assembly to the base of the computer. Lift and remove the Assembly from the base of the computer screen. Before turning on the computer, replace all screws and make sure there are no screws lost on the inside of the computer. If it does not, you may damage your computer.

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