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Dell Inspiron 3148 Motherboard Replacement

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This guide takes a step by step process on removal and replacement of the mother board on the Dell Inspiron 3148. The tools and hardware used/removed are listed ahead of the guide and referenced throughout each step.

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  1. Dell Inspiron 3148 Motherboard Replacement, Back Panel: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Inspiron 3148 Motherboard Replacement, Back Panel: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Ensure the device is powered off and unplugged. Close the device and orient it face up, with the hinges further away from you.

    • Flip the device over so the backside is facing you.

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  2. Dell Inspiron 3148 Motherboard Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Using the Phillips #1 screwdriver, remove all nine 7mm screws.

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  3. Dell Inspiron 3148 Motherboard Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Inspiron 3148 Motherboard Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Using the plastic opening tool, pull the back panel upward. Move the opening tool along the edge of the device and lift the panel off of your device.

    • Be aware, the back panel is kept in place by magnetic clips. They will offer some resistance, but continue to gently leverage upwards.

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  4. Dell Inspiron 3148 Motherboard Replacement, Battery: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the three 4mm screws holding battery in place using the Phillips #0 screwdriver.

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    • Using the iFixit opening tools, lift the battery out of its housing.

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    • Once loosened, use your fingers to lift the battery up and out of its housing.

    • There is a small cable which sits in a rut in the top of the battery. Ensure that it is pushed out of the way before removing completely.

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    • Remove the battery completely.

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  9. Dell Inspiron 3148 Motherboard Replacement, Hard Drive: crwdns2935265:08crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Dell Inspiron 3148 Motherboard Replacement, Hard Drive: crwdns2935265:08crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Dell Inspiron 3148 Motherboard Replacement, Hard Drive: crwdns2935265:08crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • If there is a piece of tape connecting the hard drive and a small power cord, remove the tape.

    • Using the Phillips #0 screwdriver, remove the two 4mm screws.

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  10. Dell Inspiron 3148 Motherboard Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Dell Inspiron 3148 Motherboard Replacement: crwdns2935265:09crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Dell Inspiron 3148 Motherboard Replacement: crwdns2935265:09crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Notice: there is a small data cable connecting the hard drive to the motherboard. Do not attempt to lift the hard drive all the way out before removing this cable.

    • Lift the hard drive slightly out of the device.

    • Grasp the head of the cable, not the cable itself.

    • Pull away from the hard drive, removing the data cable. The hard drive may now be fully removed.

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  11. Dell Inspiron 3148 Motherboard Replacement, Fan: crwdns2935265:010crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Dell Inspiron 3148 Motherboard Replacement, Fan: crwdns2935265:010crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Dell Inspiron 3148 Motherboard Replacement, Fan: crwdns2935265:010crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • If there is tape on your fan, remove the tape.

    • Remove the two 2mm screws on the fan enclosure using the Phillips #00 screwdriver.

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    • Unscrew the three 4mm screws holding down the heat sink of the fan using the Phillips #00 screwdriver.

    • The three 4mm screws found in the heat sink will remain attached to the heat sink. This is okay as long as they are detached from the motherboard.

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    Tweezers
    $4.99
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    • Use the tweezers to gently pull the power supply cable from its port.

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  14. Dell Inspiron 3148 Motherboard Replacement: crwdns2935265:013crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Grasp the fan and lift upward. Remove the fan from the device.

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  15. Dell Inspiron 3148 Motherboard Replacement, Motherboard: crwdns2935265:014crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the keyboard cable from its ZIF connector by flipping up the locking tab on the connector and then pulling the cable out.

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  16. Dell Inspiron 3148 Motherboard Replacement: crwdns2935265:015crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the touch pad cable from its ZIF connector.

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  17. Dell Inspiron 3148 Motherboard Replacement: crwdns2935265:016crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove one 3.41mm screw using a Phillips #000 screwdriver.

    • Remove the two 3.41mm screws using a Phillips #000 screwdriver.

    • Remove motherboard.

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To reassemble your device, follow these instructions in reverse order.

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David Campbell

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The Citadel Military College of South Carolina, Team S3-G12, Eggleston Fall 2019 crwdns2935289:0The Citadel Military College of South Carolina, Team S3-G12, Eggleston Fall 2019crwdne2935289:0

CMCSC-EGGLESTON-F19S3G12

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