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Honor Student
aswell10
Posts: 4
Member Since: ‎04-06-2010
Message 1 of 12 (25,081 Views)

broadcom 43225 802.11b/g/n problem

hello i am currently using the broadcom 43225 802.11b/g/n adapter with netgear n wirelss modem router rangemax dual band wireless-n dsl gatewat, DGND330. my laptop, hp dv7 3110tx cannot detect the n wireless connectivity only the g wireless connectivity in the wireless connection list.  

anyone know why that is happening

thank you

Student
trevorspiro
Posts: 1
Member Since: ‎04-09-2010
Message 2 of 12 (25,011 Views)

Re: broadcom 43225 802.11b/g/n problem

I think the reason is as follows. The Netgear is a dual band wireless router and transmits as 'g' on the 2.4GHz band which your computer can 'see', and 'n' only on the 5GHz band which your computer cannot see unless you have a USB dual-band dongle adapter (dual band dongles, as made by Netgear, enable your computer to see both bands). The reason for the 5GHz band is this band tends to be unoccupied and is not prone to interference by microwave ovens, etc, and is therefore usually used for video streaming where continuous, fast transmission is required.

Honor Student
Captainonymous
Posts: 3
Member Since: ‎04-09-2010
Message 3 of 12 (25,002 Views)

Re: broadcom 43225 802.11b/g/n problem

[ Edited ]

Wait - so my brand-spanking new HP dv6 hi-def entertainment PC with the i5 processor doesn't support the 5GHz connection?  But my wife's beat up old Macbook does?  Please tell me there's a switch or a driver or something I can do so I can stream HD video to my HD notebook without interference from my neighbours' connections  :smileysurprised:

Student
gabelucas
Posts: 1
Member Since: ‎05-28-2010
Message 4 of 12 (24,320 Views)

Re: broadcom 43225 802.11b/g/n problem

Run Device Manager.

Open "Network adapters" -> "Broadcom 43225 802.11b/g/n"

If you are not logged on as an administrator click on "Change settings"

Go to "Advanced" tab -> "Bandwidth Capability"

Change value to "11b/g:20/40Mhz"

 

Top Student
KEEPER
Posts: 5
Member Since: ‎11-01-2009
Message 5 of 12 (23,675 Views)

Re: broadcom 43225 802.11b/g/n problem

I tried setting the "Bandwidth Capability to "11b/g:20/40Mhz" and it made no difference.   On my HP HDX 16 (Intel WiFi Link 5100 AGN), I had to set  "Channel Width  from "20 Mhz only" to "Auto" to make it work. 

 

As the original poster said, it worked AOK for his older Apple.  Why not for these newer HPs?

 

--Mark

Student
col726
Posts: 1
Member Since: ‎11-27-2010
Message 6 of 12 (20,650 Views)

Re: broadcom 43225 802.11b/g/n problem

I am also having this problem, and changing the settings on my network adapter did not help at all. Please any insight into how to resolve this issue would be a great help!

Honor Student
jdclarke52
Posts: 2
Member Since: ‎01-08-2011
Message 7 of 12 (19,417 Views)

Re: broadcom 43225 802.11b/g/n problem

I'm joining the club. My Pavilion dv6 is 2 years newer than my husband's Pavilion Entertainment PC yet his works with the 5GHZ band and mine doesn't. I changed the settings on my adapter as suggested and it didn't make any difference.

 

Student
Ezechias
Posts: 1
Member Since: ‎01-15-2011
Message 8 of 12 (19,182 Views)

Re: broadcom 43225 802.11b/g/n problem

[ Edited ]

I have an HP DV6 3147SB with broadcom 43225 b/g/n and a wireless NetGear N 300. The solution is to set the netgear router to option "Up to 270 Mbps at 2.4 Ghz". This will use exclusively the 2.4Ghz channel for all b/g/n protocol.

 

Then, all your wireless devices, will see only the N SSID. Your HP wlan "N" will use the same channel for a 270 Mbps wlan connection and others will have the 54 Mbps speed on the same channel.

 

You can't do anything with the HP laptop. You should leave the wlan adapter channel setting to "Auto".

Student
quasidynamic
Posts: 1
Member Since: ‎10-18-2009
Message 9 of 12 (15,511 Views)

Re: broadcom 43225 802.11b/g/n problem

[ Edited ]

Guys. There is a lot of misinformation out there, including some replies here. There IS something you can do to your laptop.

 

Don't get discouraged. This solution is very easy.  Spend $7 or $8 on eBay and get the Atheros 5009 card which supports 5Ghz frequency and 300Mbps throughput with wireless N.

 

Search for HP part# 518437-001 (for the US card). Install is a snap, just replace your existing broadcom or atheros 9285 card via the back panel of the laptop.

 

This worked a treat for me.

 

Cheers,

 

Q

Top Student
ranki1
Posts: 5
Member Since: ‎08-28-2011
Message 10 of 12 (13,604 Views)

Re: broadcom 43225 802.11b/g/n problem

I have had exactly the same problem and solved it by swapping the AR9285 single 2.4 band card for  Dual 2.4/5ghz AR5009/9280 cards I bought for $10 off EBay from China actually. I've done this on three DV7's, all however have AMD chips. I did change some adapter settings through Network and Sharing Center- Wireless network Connection Status-Properties-Configure-Advanced. I have all three running at a steady 300Mbps, no fluctuating at all. When I plug in a USB Cisco AE1000 dual band adapter it also runs at a steady 300Mbps, a combined 600Mbps.

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