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Lenovo G780 Heat Sink Replacement

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The heatsink of your laptop may be faulty if you notice your fan is running more than normal, or if your laptop is getting excessively hot during normal use.

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  1. Lenovo G780 Heat Sink Replacement, Battery: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Lenovo G780 Heat Sink Replacement, Battery: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Turn off the computer.

    • Slide the battery-lock switch on the bottom of the laptop to the unlocked position.

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  2. Lenovo G780 Heat Sink Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Hold the battery release switch in the unlocked position and remove the battery.

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  3. Lenovo G780 Heat Sink Replacement, Fan: crwdns2935265:03crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Lenovo G780 Heat Sink Replacement, Fan: crwdns2935265:03crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Lenovo G780 Heat Sink Replacement, Fan: crwdns2935265:03crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Remove the six 9 mm screws from the back panel with a Phillips #0 screwdriver.

    • Save these screws.

    • Remove the back plate.

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  5. Lenovo G780 Heat Sink Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Use a Phillips #0 screwdriver to detach the fan by removing the two black 9 mm screws and the single silver 4 mm screw that is securing it to the motherboard.

    • Save these screws.

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  6. Lenovo G780 Heat Sink Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Lenovo G780 Heat Sink Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Carefully disconnect the fan cable from its socket on the motherboard.

    • The fan should now be completely free from the laptop motherboard and chassis.

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  7. Lenovo G780 Heat Sink Replacement, Heat Sink: crwdns2935265:06crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Lenovo G780 Heat Sink Replacement, Heat Sink: crwdns2935265:06crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Lenovo G780 Heat Sink Replacement, Heat Sink: crwdns2935265:06crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Remove three 7mm spring loaded screws using a Phillips #1 screwdriver.

    • Remove these two 4 mm screws using a Phillips #1 screwdriver.

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  8. Lenovo G780 Heat Sink Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Lenovo G780 Heat Sink Replacement: crwdns2935265:07crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • The heat sink needs to be rotated counter-clockwise slightly to allow space for removal.

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

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Riley Griffin

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IUPUI, Team S2-G4, Henning Spring 2019 crwdns2935289:0IUPUI, Team S2-G4, Henning Spring 2019crwdne2935289:0

IUPUI-HENNING-S19S2G4

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