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How to Replace the Speaker Assembly Before you begin: Remove the base enclosure, battery, M.2 solid state drive, WLAN module, memory modules, fans, heat sink, and system board. Make sure that the left hinge is open. Removal IMPORTANT: Make careful note of the routing of the speaker cable for later replacement. Remove the P1 Phillips-head

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Repair Dell Optiplex Desktop Motherboard NO Power | Bangla

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How to replace the Wireless Antennas Before you begin: Remove the display stand, rear cover, motherboard shield, and fans. Removal – CAUTION! Use care when disconnecting the WLAN antenna cables from the WLAN module. A damaged cable or connector can degrade notebook performance. Carefully disconnect the MAIN WLAN antenna cable from the WLAN module by

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How to replace the Hard Disk Drive Assembly Before you begin: Remove the display stand, rear cover, and motherboard shield. Removal – Disconnect the hard disk drive cable from the connector on the motherboard. Remove the hard disk drive cable from the routing channel on the chassis. Remove the four 6 mm P2 Phillips-head screws

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How to replace the Fans Before you begin: Remove the display stand, rear cover, and motherboard shield. Removal – Remove the three 6 mm P2 Phillips-head screws that secure the right fan to the chassis. Slide the right fan off the stand offs on the chassis and set it aside. Remove the right fan cable

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How to replace the Motherboard Before you begin: Remove the display stand, rear cover, fans, motherboard shield, WLAN module, thermal module, graphics card, and CPU. Removal – IMPORTANT: Make careful note of the location of all cables connected to the motherboard for later replacement. Disconnect the following cables from the motherboard: #28 backlight cable #30

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How to replace the Graphics Card Before you begin: Remove the display stand, rear cover, motherboard shield, and thermal module. Removal – Remove the four 5 mm P2 Phillips-head screws that secure the graphics card to the chassis and motherboard. Carefully lift the graphics card straight up and off to disconnect it from the motherboard

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How to replace the Real-Time Clock (RTC) Battery Before you begin: Remove the display stand, rear cover, and motherboard shield. Removal – Carefully release the RTC battery from the socket retention clips that secure it on the motherboard and remove. Replacement – Carefully insert the RTC battery into the socket on the motherboard and secure

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How to replace the Bluetooth Audio Board Before you begin: Remove the display stand and rear cover. Removal – Using minimal force, lift the locking bar up on the Bluetooth audio board ZIF connector and disconnect the Bluetooth audio board ribbon cable from the Bluetooth audio board. Remove the two 5 mm P2 Phillips-head screws

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How to replace the DC-in Cable Before you begin: Remove the display stand, rear cover, and motherboard shield. Removal – Remove the DC-in cable from the routing channel on the motherboard shield. Remove the three 4 mm P1 Phillips-head screws that secure the DC-in connector to the motherboard shield. Lift the DC-in cable off the

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