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Problem wifi acer 4720Z

I have acer 4720z ,i conect to internet and after a minute disconect.on the device managafter atheros card dont have,but the restat will conect again and wifi card in device manager.
i try everything,pleas help me...

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Remove on bottom covering Wi-Fi card. Unseat and Re-seat Wi-Fi Card.

Posted on Mar 09, 2009

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Acer Aspire One WiFi FIX.


The Aspire One is a great machine that, for me, was mildly crippled by a finicky Wi-Fi connection. There has been some discussion about this on other parts of the web. For some people, the actual wireless module turns on and off occasionally. For other people, the wireless connects and works just fine, but then won't work for a few minutes - but doesn't disconnect from the router. After a brief wait, the internet works again.

This was a bit frustrating. I had the problem of the module remaining connected but not working. Fooling with various settings helped, but it was still not as good as it should be, so I decided to replace the module with an Intel 4965AGN wireless module. This is the easiest fix for those who have this problem and have been frustrated by a solution. I say "easy," because it was easy to spend $35 for the module on eBay and install it, rather than spend another 3 hours fiddling with the settings.

I followed the disassembly guide here to take the keyboard and top panel off. This guide is great, and the author did a nice job with the descriptions.

http://www.aspireoneuser.com/forum/v...hp?f=40&t=1443

It was a really easy operation to crack the case open. I then removed the Atheros and replaced it with the Intel 4965 card. Here's where the easiness comes in.

If you look at that guide above, after installing the card, he has you removing all sorts of other parts just to run the new antenna wires. (The Intel card has three antenna jacks, the Atheros only two.) There is really no reason to do this unless you are really serious about having diversity reception. The Intel card will work just fine with only two antennas.

The antenna leads that you remove from the Atheros have the same connector as the Intel card, so just go with the two leads instead. Then you don't have to take apart your screen and all of the other tricky parts. Now, you won't get true Wireless-n without the third antenna, but reception overall seems better with the Intel card, and the Intel card does not get as hot as the Atheros. (Which is kind of nice, since the card is under your right palm. And actually, the Intel card does not get hot at all.) And you can connect to a Wireless-n device, which is not possible with the Atheros.

Also, the Intel card works properly with the hardware on/off switch. No problems there.

A couple of tips. Before you install the Intel card, remove the Atheros drivers and software from your AAO. You can use Add/Remove if you do this BEFORE you pull the Atheros card. Otherwise, Windows wants you to reinstall the card before you remove the drivers.

Also, when you take the AAO apart, use a credit card or other thin piece of plastic to push in the tabs on the keyboard. This saves you from scratches if you use a metal tool.

I hope these suggestions help anyone who is looking to do this easy mod. I wouldn't have added the new card if I had to go through the complete disassembly to add the third antenna, but this is not a necessary step. The new card completely solves the finicky internet problem. For some reason, the Atheros just does not work well with the Acer hardware.

on Feb 23, 2010 | Computers & Internet

1 Answer

Im using acer aspire one za3 and cant connect to wifi..wifi does not work


The Aspire One is a great machine that, for me, was mildly crippled by a finicky Wi-Fi connection. There has been some discussion about this on other parts of the web. For some people, the actual wireless module turns on and off occasionally. For other people, the wireless connects and works just fine, but then won't work for a few minutes - but doesn't disconnect from the router. After a brief wait, the internet works again.

This was a bit frustrating. I had the problem of the module remaining connected but not working. Fooling with various settings helped, but it was still not as good as it should be, so I decided to replace the module with an Intel 4965AGN wireless module. This is the easiest fix for those who have this problem and have been frustrated by a solution. I say "easy," because it was easy to spend $35 for the module on eBay and install it, rather than spend another 3 hours fiddling with the settings.

I followed the disassembly guide here to take the keyboard and top panel off. This guide is great, and the author did a nice job with the descriptions.

http://www.aspireoneuser.com/forum/v...hp?f=40&t=1443

It was a really easy operation to crack the case open. I then removed the Atheros and replaced it with the Intel 4965 card. Here's where the easiness comes in.

If you look at that guide above, after installing the card, he has you removing all sorts of other parts just to run the new antenna wires. (The Intel card has three antenna jacks, the Atheros only two.) There is really no reason to do this unless you are really serious about having diversity reception. The Intel card will work just fine with only two antennas.

The antenna leads that you remove from the Atheros have the same connector as the Intel card, so just go with the two leads instead. Then you don't have to take apart your screen and all of the other tricky parts. Now, you won't get true Wireless-n without the third antenna, but reception overall seems better with the Intel card, and the Intel card does not get as hot as the Atheros. (Which is kind of nice, since the card is under your right palm. And actually, the Intel card does not get hot at all.) And you can connect to a Wireless-n device, which is not possible with the Atheros.

Also, the Intel card works properly with the hardware on/off switch. No problems there.

A couple of tips. Before you install the Intel card, remove the Atheros drivers and software from your AAO. You can use Add/Remove if you do this BEFORE you pull the Atheros card. Otherwise, Windows wants you to reinstall the card before you remove the drivers.

Also, when you take the AAO apart, use a credit card or other thin piece of plastic to push in the tabs on the keyboard. This saves you from scratches if you use a metal tool.

I hope these suggestions help anyone who is looking to do this easy mod. I wouldn't have added the new card if I had to go through the complete disassembly to add the third antenna, but this is not a necessary step. The new card completely solves the finicky internet problem. For some reason, the Atheros just does not work well with the Acer hardware.

Feb 23, 2010 | Acer Aspire One PC Notebook

1 Answer

Windwos 7 incompatibile driver


Atheros does not provide drivers to end-customers, the best option is to check at the web site of your laptop maker.
However, since the network chip is often connected to the laptop by reference design, drivers from other laptop makers may work. Here is a link to a current Atheros Windows 7 driver by Acer: Atheros 8.0.0.238

Feb 07, 2010 | Computers & Internet

2 Answers

Intel wm3945abg wireless dont conect


Try reset router to factory settings and start from scratch. Uninstall drivers for wirless card and reinstall...

Nov 16, 2009 | Acer Aspire 5610-4648 Notebook

1 Answer

Bluetooth wont work on aspire 4720z


r u sure bluetooth device is installed in acer aspire 4720z?eventhough u have software bluetooth installed in your pc but i dont think it has its hardware....this is happen to my friend...if,it is already installed,u can find the driver from acer's website or in your cd attach together with your pc

May 12, 2009 | Computers & Internet

1 Answer

Wireless failure


Power down your wireless router for a couple of minutes, power it up again until all the LEDS indicate that it is up and running, then power up your laptop. Then see if can get on the Internet.
If you don't get into the Internet get back to me with any error messages and I will advise you what to d next.

Mar 25, 2009 | Acer Aspire One Netbook 8.9" Notebook

1 Answer

Acer 4530 wi-fi atheros adapter rleliability


Try disabling "turn off power when not in use" for Windows Xp Inside Device Manager Network Adapters Power Management

Mar 24, 2009 | Acer Aspire 4530-5889 Notebook PC

1 Answer

Acer 4720z wi fi driver on xp Os


Hi There, since Acer do no release a wlan driver for Windows XP, you need to use the driver for Window Vista. If you do not have the driver for Windows Vista, you download it from here . After finish downloading, then un-zip the file. Now let's start to install the wlan drivers. Go to your "Start Menu", then "Settings", "Control Panel" then "System", system properties windows will be pop up. Then select "Hardware" tab, and then click on "Device Manager" button. You will then see "Device Manager" windows. Look for your "Network Adapter" and you will see your wlan network adapter with red cross mark.Right click your red crossed wlan adapter, then select "Update Driver"
You will prompted with "Hardware Update Wizard" then select on "No, not this time" radio button and click on "Next" button. On next windows, select "Install from a list or specific location (Advanced)" radio button and then select "Next" buttons.
Then another window will pop up, then select "Don't search, I will choose the driver to install", then click on "Next" button. Then you will come to this windows "Select Network Adapter", you will see you existing network adapter that do not working, then select "Have Disk", and browse to the location where you have unzip the driver. Then Select the appropriate driver for your laptop. Acer Aspire laptop 4720z come in 3 wlan varian, Intel chipset, broadcom, and Atheros and I don't know which one is on your laptop. Just try one by one if you are not sure, it's only 3 to choose from.
Hope my solution could help you out.


Dec 16, 2008 | Computers & Internet

15 Answers

Acer aspire 4720z audio driver for widows xp home edition sp2


is there any other way to solve the audio problem? after i install win xp sp3 in my acer aspire 5550,i get stuck in installing audio driver.i have download the driver from many website even in acer.com, but still cant solve it..please give me some idea..

Dec 02, 2007 | Acer Aspire 4720 Notebook

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