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Replace a faulty WLAN card in your Acer Aspire 5742 if you keep losing your Wi-Fi connection.

Move the battery catch to the "unlocked" position.
  • Move the battery catch to the "unlocked" position.

  • Pull back the second spring-loaded battery catch until the battery pops up.

  • Remove the battery.

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Turn the notebook around to face you.
  • Turn the notebook around to face you.

  • There are two Phillips #00 screws securing the cover panel to the rest of the notebook. Remove these screws.

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  • Use a spudger to release the panel from the plastic retaining clips keeping it in place.

  • Do not apply too much force, or you may break the clips.

  • Remove the panel and set it aside.

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  • The WLAN card is protected by a transparent cellophane cover.

  • Lift this cover away from the WLAN card. It will not come free from the WLAN card socket.

  • You may wish to use some Scotch tape to hold the cover in place while you work.

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  • Use the pointy end of a spudger to remove the antenna connectors from the WLAN card.

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  • You may find it useful to pull the antenna cables out from under the plastic retaining clip so you can move them out of the way while you work.

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  • There is one Phillips #00 screw keeping the WLAN card attached to the notebook.

  • Remove this screw.

  • The WLAN card will spring up from the notebook at an angle.

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  • Just like RAM, hold the WLAN card by the edges and pull it out at an angle.

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  • When you're installing the new WLAN card, you might want to hold it down with one hand while you put the screw in with the other.

  • You might also want to put the antenna cables back in using the flat end of a spudger.

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Sonuç

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

10 başka kişi bu kılavuzu tamamladı.

Skylar MacDonald

Üyelik tarihi: 04-12-2011

1.657 İtibar

5 adet Kılavuz yazıldı

4 Yorum

what if i am missing the white wire going to the WLAN card??

chip - Yanıt

If your laptop only came with a black wire, it should be fine just to re-connect that. The white one looks like it's a second antenna, so that might not be present in the 5742G model of the laptop - mine was a 5742Z, and it's what I used to create the guide. As always, your mileage may vary - but let me know how it goes and I'll update the guide.

Skylar MacDonald -

Do you know how to determine if it the card or the antennae that is the culprit for dropping wireless connection?

Don Ens - Yanıt

Running Win7 Home on Acer 5749Z and windows seems to think it's the router, where the problem is. I disagree, since running 2 other computers from the router, one Win7 laptop and the other is an Acer 4720Z WinXP. The both show very strong signals.

Tried recovery, update driver, resetting router. All to no available.

Have USB Wireless adapter and connection is slower but strong.

Don Ens - Yanıt

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