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Dell Inspiron 1545 Computer Processing Unit Replacement

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This guide will be utilized mainly if your CPU has gone bad and your laptop is essentially nonfunctional.

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  1. Dell Inspiron 1545 Computer Processing Unit Replacement, Battery: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Before attempting to remove the battery ensure that the laptop is disconnected from all power sources and turned off.

    • Turn the laptop over to its back.

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  2. Dell Inspiron 1545 Computer Processing Unit Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Slide the release latch while simultaneously pulling backwards on the battery.

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  3. Dell Inspiron 1545 Computer Processing Unit Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Slide the battery out of the battery bay.

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  5. Dell Inspiron 1545 Computer Processing Unit Replacement, Base Cover: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Unscrew the four screws (3mm Phillips #1) that hold the base cover in place.

    • The top 3 screws are "captive" (held in by a retaining ring) and will not come out.

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  6. Dell Inspiron 1545 Computer Processing Unit Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Inspiron 1545 Computer Processing Unit Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Carefully lift the base cover vertically away from the laptop.

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  7. Dell Inspiron 1545 Computer Processing Unit Replacement, CPU Heat Sink: crwdns2935265:06crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Loosen the 5 screws (4mm, Phillips #1) that secure the CPU Heat Sink to the motherboard.

    • These screws are held in place by a washer so you should not be able to completely remove the screws.

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  8. Dell Inspiron 1545 Computer Processing Unit Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Pull up on the Heat Sink unit to remove it.

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  9. Dell Inspiron 1545 Computer Processing Unit Replacement, Computer Processing Unit: crwdns2935265:08crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Using a flathead screwdriver, rotate the locking mechanism counterclockwise to the unlocked position.

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  10. Dell Inspiron 1545 Computer Processing Unit Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • The CPU is very fragile and has thin pins.

    • Remove the CPU by pulling straight upward and away from the laptop.

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

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Nathan Lemay

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CPSU-REGAN-S14S9G14

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