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    R3 Dead WiFi Card

    Discussion in 'Alienware 17 and M17x' started by aznpos531, Jul 26, 2014.

  1. aznpos531

    aznpos531 Notebook Evangelist

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    I suspect that the WiFi card in my R3 is dead (gives me a Code 10 in the Device Manager). As such I'm looking to replace it and I wanted to consider all options instead of getting another Intel Ultimate-N 6300. Can anyone give me a list of all the WiFi cards that are compatible with the R3?

    Thanks in advance. :)
     
  2. jameslee3978

    jameslee3978 Notebook Consultant

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    Intel 7260 hwm might be a good contender
     
  3. aznpos531

    aznpos531 Notebook Evangelist

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    I took a look at the Intel 7260HWM and looks like it has Bluetooth as well. Any idea if it will conflict with the existing Bluetooth adapter in my R3?
     
  4. DDDenniZZZ

    DDDenniZZZ Notebook Deity

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    You can take the existing out I think, its a seperate dell bluetooth card if its the same as the R4.

    The 7260 has variants, would recommend you get the AC version not the older N version.
     
  5. aznpos531

    aznpos531 Notebook Evangelist

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    Looked into the 7260 and it looks like a good choice. However I noticed it's 2x2 card. Does this affect performance (signal reception range and speed etc.) as compared to a 3x3 card? If I do choose the 7260, does it matter which of the 3 antennae cables I attach to the card?
    Thanks.
     
  6. Alienware-L_Porras

    Alienware-L_Porras Company Representative

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    You can certainly take it out, it's under the keyboard.
     
  7. aznpos531

    aznpos531 Notebook Evangelist

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    So my WiFi card mysteriously returned in the device manager and seemed to be working properly on start up yesterday. Today it decided to not show up again on start up. Undead zombie card? If the card is still working I don't see reason to get a new one. I guess I'll try re-seating the card.
     
  8. DDDenniZZZ

    DDDenniZZZ Notebook Deity

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    Try a reseat, otherwise, try a new card they are fairly cheap, a 2x2 setup wont lose much bandwidth unless you transfer large files over the network.
     
  9. aznpos531

    aznpos531 Notebook Evangelist

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    I finally figured out what was wrong. I don't know if anyone else has experienced this before but I figured I would post back with my findings. Hopefully it will help others with the same problem.

    I currently have my R3 hooked up to a Dell U3011 via a mini-displayport to displayport cable and it's been working quite well. The only problem is that when the computer is shut down with the monitor still connected power back flow occurs and messes with the electronics. The first thing that tipped me off was I noticed an odd creaking sound coming from the laptop speakers immediately after shutting down. The noise would stop after I disconnect the monitor cable. Other things that the back flow messes with are:

    - Fans; sometimes the CPU or GPU fan would not spin up and result in overheating.
    - Wifi card; prevents the card from starting up properly.
    - AlienFX lighting; the odd time it would fail to respond to the AlienFX program

    The only solution I've found so far is to just leave the monitor unplugged until the computer is turned on. This prevents all the of the aforementioned problems from happening. The only slight problem that remains now is when using HWiNFO64 to monitor temps and controlling the fan speed, only 1 fan (GPU1) shows up in the sensors. However both fans spin up when needed and I don't have any overheating problems so I'm not too concerned.

    Anyways, hope this helps others experiencing the same problem.