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phuz
Ctrl-Alt-Del
Posts: 15
Registered: ‎11-14-2011
Location: reading, pa
Views: 1,372
Message 1 of 12

W520 Wireless Intel Centrino Advanced-N 6205 Connection Speed

My adapter used to connect at higher speeds to my router, but no longer does.  It connects at a maximum of G (54Mbps).  Even though my router (Cisco Linksys E1000 running DD-WRT) is showing an average of 216 Mbps under its wireless status, my laptop will not connect any faster than 54.  It is in close proximity to the router and shows EXCELLENT signal strength.

 

The only thing I show as confusing is when I go into the wireless adapter properties --> Advanced --> Wireless mode, it shows #6 802.11a/b/g but does not list N.  But this adapter clearly supports N. Am I missing something here?

phuz
Ctrl-Alt-Del
Posts: 15
Registered: ‎11-14-2011
Location: reading, pa
Views: 1,328
Message 2 of 12

Re: W520 Wireless Intel Centrino Advanced-N 6205 Connection Speed

bump.

I have connected another laptop right next to this one and it connects at speeds of 144mbps.
cbautis2
Bit Torrent
Posts: 958
Registered: ‎01-27-2013
Location: United States
Views: 1,318
Message 3 of 12

Re: W520 Wireless Intel Centrino Advanced-N 6205 Connection Speed

Update your drivers to the latest 16.11 from Intel. https://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&ProdId=3502&DwnldID=23726&ProductFamily=Wire...

Lenovo Y470: i7-2670QM | 8 GB DDR3 1333 MHz RAM | Nvidia GeForce GT 550M | 500 GB 7200 RPM Seagate HDD | ASUS PCE-AC56 802.11ac Network Adapter | Windows 7 Professional 64-bit
phuz
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Posts: 15
Registered: ‎11-14-2011
Location: reading, pa
Views: 1,315
Message 4 of 12

Re: W520 Wireless Intel Centrino Advanced-N 6205 Connection Speed

Yup, they already are. Thanks for that recommendation!
tquade
802.11n
Posts: 51
Registered: ‎02-06-2010
Location: Canada
Views: 1,293
Message 5 of 12

Re: W520 Wireless Intel Centrino Advanced-N 6205 Connection Speed

Do you have 802.11n Mode enable in device manager Advanced for the card?

 

Ted

phuz
Ctrl-Alt-Del
Posts: 15
Registered: ‎11-14-2011
Location: reading, pa
Views: 1,280
Message 6 of 12

Re: W520 Wireless Intel Centrino Advanced-N 6205 Connection Speed

yup.
tquade
802.11n
Posts: 51
Registered: ‎02-06-2010
Location: Canada
Views: 1,261
Message 7 of 12

Re: W520 Wireless Intel Centrino Advanced-N 6205 Connection Speed

Do you happen to be using WEP or TKIP encryption? Both are limited to 54Mbps.

Guru
Posts: 9,598
Registered: ‎12-26-2009
Location: CA
Views: 1,252
Message 8 of 12

Re: W520 Wireless Intel Centrino Advanced-N 6205 Connection Speed

The other laptop is connecting at 144mbps, so that shouldn't be it.

Does it connect properly under a Linux live USB?

W520: 2960XM, Q2000M @ 1091/1380, 32GB RAM, 500GB&750GB HDD & 500GB SSD, FHD&MB168B+
X61T: L7500, 4GB RAM, 500GB HDD, XGA screen, Ultrabase
W550s: 5600U, K620M at 1164/1281, 16GB RAM, 512GB SSD, 3K touchscreen
X200s: SL9400, 6GB RAM, 64GB SD card, WXGA+ screen
TPT1: 1839-23U
phuz
Ctrl-Alt-Del
Posts: 15
Registered: ‎11-14-2011
Location: reading, pa
Views: 1,242
Message 9 of 12

Re: W520 Wireless Intel Centrino Advanced-N 6205 Connection Speed

I have not tried a different OS on the same laptop. I guess I should.
tquade
802.11n
Posts: 51
Registered: ‎02-06-2010
Location: Canada
Views: 1,223
Message 10 of 12

Re: W520 Wireless Intel Centrino Advanced-N 6205 Connection Speed

What the other laptop connects at may not be relevent.

 

If the access point is configured for AES + TKIP encryption and the subject laptop is configured for TKIP encryption, it will connect at no more than 54 Mbps.

 

The "other laptop" that connects at 144 Mbps may be configured for AES.

 

There is no simple answer. All relevent information needs to be tabled and considered.

 

To add another wrinkle, a number of draft 802.11n implimentations failed to honour the no more that 54 Mbps for TKIP.

 

So my question stands.

 

And so it goes.

 

Ted

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