How to check wlan protocol standard (g/n?) on vista
Hi,I have a wlan router that supports 802.11n. It's configured to support g/n standards. My laptop also theoretically supports n. But when I check the connection speed on the laptop using the wlan icon in the system taskbar it shows 54Mb/s.So I suspect the laptop is using 802.11g not n. Is there anyway of verifying this in Vista?Can I force it to use n instead using some vista setting?Many thanks,Tom
December 25th, 2008 11:32am

Honestly, before I go poking around on the laptop, I'd want to check the router's configuration first.Is .11n mode enabled?Are you using an n-compatible encryption method? If you have encryption set to WEP, n mode is disabled (compatibility.) You must use WPA or better to run n.HTH,Chris[If this post helps to resolve your issue, please click the "Mark as Answer" or "Helpful" button at the top of this message. By marking a post as Answered, or Helpful you help others find the answer faster.]
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December 25th, 2008 9:00pm

Hi Chris,I think you've put you're finger on the problem (WEP - one home pc is win 98 and has problems with wpa).I'll double-check and post the result.Many thanks!Tom(btw: I had poked around a bit and made some progress but luckily I hadn't made any changes)
December 25th, 2008 9:26pm

Unfortunately, that wasn't the solution.I disabled encryption and that didn't help. I used WPA instead - didn't help.The router supports three alternatives:1. With A+N my asus doesn't find any wireless (but my lenova finds the A so the router is transmitting)With 2. B+G+N - both lenova and asus find G (but I'd hoped the asus would find N)3. This is B+G. I.e. No N so not interesting.If anyone can point to an article that explains how Vista to force the N protocol to be used (or ignore G) that would at least help me establish whether or not N is supported by this ASUS laptop.Best regards,Tom
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December 26th, 2008 12:14am

Thanks Chris,You were right. Found the answer in the router handbook (I'd been relying on the online help before).1. WPA22. Alterntive 1 above used 5GHz which didn't work with the ASUS.So using Alternative 2 with WPA2 is what it took.TomBTW: To answer my original question - In some hover-displays of the wlan connection it does show the protocol used after all but there's no rhyme or reason as to when it is displayed and when it isn't. Seems to be sporadic.
December 26th, 2008 3:08am

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