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Acer Aspire 5740-6378 WiFi Card Replacement

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The WiFi card allows for the user to have internet access. If the WiFi card is broken, the Acer Aspire 5740-6378 will still work, but without the capabilities of using the internet. It is highly suggested that you remove the battery before performing this replacement.

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  1. Acer Aspire 5740-6378 WiFi Card Replacement, Battery: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Slide the locking switch into the unlocked position to ready the battery for removal.

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  2. Acer Aspire 5740-6378 WiFi Card Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Slide the release latch until the battery pops out.

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  3. Acer Aspire 5740-6378 WiFi Card Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the battery now that it's been unsecured.

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  5. Acer Aspire 5740-6378 WiFi Card Replacement, WiFi Card: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Flip over the device so the back is facing upward.

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  6. Acer Aspire 5740-6378 WiFi Card Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Acer Aspire 5740-6378 WiFi Card Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the five 8.7mm Phillips #0 screws securing the back panel.

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  7. Acer Aspire 5740-6378 WiFi Card Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Acer Aspire 5740-6378 WiFi Card Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Use the black spudger to pry open the back panel.

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  8. Acer Aspire 5740-6378 WiFi Card Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Acer Aspire 5740-6378 WiFi Card Replacement: crwdns2935265:07crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • The WiFi card should be directly above the hard drive. Detach the two coaxial connectors attached to the WiFi card by pulling on them.

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  9. Acer Aspire 5740-6378 WiFi Card Replacement: crwdns2935265:08crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the two 3mm Phillips #0 screws securing the WiFi card.

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  10. Acer Aspire 5740-6378 WiFi Card Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the WiFi card.

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

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