Using a new laptop.... the first few weeks, I had no troubles whatsoever. Then I began having a problem keeping a strong wireless signal. Pages will not refresh. I may lose signal all together for several seconds. I can either go to my wireless network and Disconnect and then immediately Connect again - or - wait for several seconds and refresh my pages. In place of "Connected" beside my wireless network, it will say "Limited" while I have that weak signal (or no signal at all.)
There have been no new wireless devices of any kind introduced since this began occurring. The laptop in question hasn't changed position either.
I have called my isp a couple of times.... different techs had me change settings to no avail.
I purchased a new, apparently stronger/faster/better router and that has also made no difference.
I had exactly the same problem with my new V3-571G with Windows 8.
After performing the following steps, I have now run for 4 straight hours with heavy internet use without a single problem. (Previously, I would get the 'Limited' connectivity problem about every 20 minutes.)
1. Download the new Atheros WiFi driver from the Acer support site (10.0.0.217).
2. Run the setup.exe which comes in the new driver.
3. Choose uninstall the existing driver.
5. Run the same setup.exe, this time as a fresh install.
Good luck. On one of the Acer Ultrabooks message boards, I read a message from an Acer technician saying that the problem with driver '217' is that it doesn't delete an old file when doing a driver update. So to work around this, I just completed unistalled the old driver before installing '217'.
I had the identical symptom since purchasing this laptop (Acer Aspire V5-411 Windows 8) last February. The Acer support reps were not helpful. They wanted me to refresh, which would have required reinstallation of all my 3rd party software - I said "No Thanks" in no uncertain terms. Instead I downloaded the updated wireless lan driver, 10.0.0.255 W8x64 A from the support site. After installation, which was 2 weeks ago, I have not had the wireless "Limited" problem. I don't understand why Acer support is not totally aware and on top of this issue in their call center.
I decided to play around the settings of my laptop too and found a solution and realised there is no problem with the driver that comes with the latop intially but the network driver is configured to turn itself off after few minuits to save battery life. this can also work for u try this , if u are using window 8, go to Settings-->Device Menager-->Network Adapter--> (Qualcomm Atheros Communications) yours could be different depending on your driver version-->Power Managment--> uncheck the box which says "alow the computer to turn off this device to save power".
Now is working perfectly after I turned the setting off, I hope it works for u also.
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