Problems with Ralink 802.11n and Pronet Router

[fllniks]

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I have an Acer 4730z laptop which has Ralink 802.11n wireless LAN Card and has Windows vista home premium.

I bought this laptop in US and there I used with D-link DI-524 router and had no problems...I also used it while traveling within US at hotels, airports etc and had no problem with wireless connection.

Now the laptop is with my father in India. There he has Pronet PN-108WRT - 108Mbps Wireless Router. Detail specs of this router are here.

Now the connection works fine if he is very near to router. But if he goes to next room it stops working. After some setting changes, he was able to make it work for about a min but then again it disconnected.

Of course, first guess can be that wireless chip/signal is not strong but I will be really surprised that it can not penetrate even a single wall.

Now, he also has sony laptop (with Intel(R) Wireless Wi Fi Link 4965 AGN) and that is working perfectly.

My guess is that may be the acer is trying to connect at 802.11n network while router works only on 802.11b/g network. Could that be a problem?

He did update drivers for the Ralink but still did not make any difference.

What other things we can try?

[Shen]

I guess acer is trying to connect at 802.11n network that why your friend is facing some issue at the same time check out the related links too

Wireless Router limited or no connectivity issue
http://forums.techarena.in/vista-help/892063.htm
Problem with Wireless Router Connectivity

[SmirnOFF]

There may be a signal reception problem in acer, may be its antenna alignment is not proper. [It has internal antenna so you cannot change it]. May be you should try to amplify the signal from the router's end... You can have a look at these topics :
How to boost weak signal of verizon dsl
Confused about how to extend my wireless signal
Increase Wireless Reception Signal
Signal problem with fios router
Can't pick up wireless signal on laptop
Expand a Wireless Network's Range