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3 Posts

09-22-2014

England

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A740 WiFi performance

2014-09-22, 20:49 PM

I received an A740 last week and I'm very disappointed with the network / WiFi performance. So far the speed has shown no more than 29 Mbps but averages 14 Mbps - compare that to my Dell laptop which is constantly around the 78 Mbps mark, and the Microsoft Surface Pro which ranges between 39 and 78.

 

Every time I've attempted to join a conference call using Microsoft Lync the voice quality has been terrible or the call drops repeatedly, and I've ended up switching to the laptop to complete the call.

 

I bought this A740 based on it's top-of-the-specs to work from home, but in terms of the network speed it's currently the worst device by far.

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453 Posts

07-16-2013

SI

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Re: A740 WiFi performance

2014-09-25, 21:26 PM

Sorry about your performance issues, but A740 does not fit here, wrong section. It is not ThinkCentre. 14-29 Mbps is more than enough for Lync I believe. A740 is consumer grade product, so budget WiFi is used. Try to update drivers.

***

Disclaimer: I am not Lenovo employee. While I do work for Lenovo Partner, all my contributions are my personal, non-official and not that of Lenovo or my employer.


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3 Posts

09-22-2014

England

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Re: A740 WiFi performance

2014-09-25, 23:50 PM

This community states "ThinkCentre A , M and Edge ThinkCentre small tower, desktop, and all in one models", the A740 is an all-in-one.

You say that the A740 is a consumer-grade product. It cost £1,300 and the WiFi performance is worse than the £200 Dell Venue 8 Pro and the £350 Surface RT. Is an i7 machine consumer-grade? I bought it to replace a 5 year old iMac and that never provided any Lync issues.

 

I e-mailed Lenovo support and told them that I'd tried upgrading the driver, and they replied suggesting that I upgrade the driver. Some help they were.

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813 Posts

01-09-2012

GB

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Re: A740 WiFi performance

2014-09-26, 12:01 PM
have you tried changing to a diff channel on your router, most are in the middle channel 6 so try another end 1-2 or 10-11 and see if that helps if not, change the security on the router (could disable it for a speed test)
Thx dave

yoga 2, lenovo b540
3 custom gaming pc systems
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3 Posts

09-22-2014

England

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Re: A740 WiFi performance

2014-09-26, 16:12 PM

Thanks Dave... yes, have tried changing the channel, same issue.

 

To add to the speed problem, today it's dropped the WiFi connection five times while my laptop sitting next to me has been fine all day.

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