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Edimax WLAN adapter issues


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#1 korvisus

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Posted 11 November 2012 - 01:31 AM

i recently bought a edimax fw-7612Pln v2 PCIE adapter for my computer. i run a gigabit micro atx motherboard... i doubt that is relevant, but ill stick it in there anyway. i run windows 7 64 bit, and this is the first pci device i have ever installed.

i physically installed it, started up the computer, installed the drivers i had previously downloaded from the edimax website, and it started up like a charm! ok, not like a charm. i get .5mbps download speed on a network where any other computer gets at least 14mbps. the upload speed is normal for any computer on the network at 5mbps, ping is normal as well... but the download speed is usually hovering around .5mbps, which is simply unacceptable.

so, since that original installation, i have opened up the computer and reseated the adapter, just to ensure it was nicely in there... i have uninstalled the drivers completely and replaced them with drivers from the cd it came with, sans utility, then with the utility when it didnt fix it...

im not sure what else to do. i do not have another 'known good' pcie adapter to test, and im lost


on a side note, it acts very strange. you wouldnt think you would be able to play a 10 player per match online game with zero lag and great ping with .5mbps download speed, but more often than not, i can. there are random and sudden spikes of ping, but to the best of my knowledge, that was happening before this adapter's issues. ive used speakeasy as well as speedtest, and they give the same general result, big surprise...

but yeah.. please lend me your vast knowledge :o

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#2 korvisus

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Posted 11 November 2012 - 06:37 PM

nobody wanna help me with this problem?

#3 coxchris

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Posted 11 November 2012 - 07:17 PM

are you running different adapters for any computer or same set for all computers. Onboard or external card. Do you have a on board NIC where you installed the adapter.

Are you using the lastest drivers from the manufacturers site. I assume we are working with 1GB network.

Edited by coxchris, 11 November 2012 - 07:19 PM.

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#4 korvisus

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Posted 11 November 2012 - 11:43 PM

firstly thank you very much for responding...

and to answer your questions... there are different adapters for each computer. we have one computer connected by wire, and one laptop connected by wifi, and one desktop connected with wifi.

the desktop computer is the problematic one. it is an a PCI Express card, plugged into the pcie x1 slot. i run a gigabyte micro atx motherboard, which is the one it came with. i am indeed running the latest drivers from the edimax site, for the correct hardware, and im not sure what you mean by working with a 1gb network. the router is a belkin F9K1001 v1, which is n150, if i remember correctly. we usually get somewhere between 12-16mbps on the network, but it is rated at 25mbps.

#5 korvisus

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Posted 13 November 2012 - 08:05 PM

do i take this to mean that there is no hope? lol

#6 coxchris

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Posted 14 November 2012 - 03:17 PM

Sorry for not replying yesterday. Busy with exams

Ok are you running Wireless N adapters all throughout your home. If you have one operating on G speeds and one on N the N one will backwards to G speeds

Your Wireless Router (http://www.amazon.com/Belkin-Wireless-Router-Latest-Generation/dp/B004N6259G/ref=sr_1_1?ie=UTF8&qid=1352922244&sr=8-1&keywords=f9k1001v1) I think that is your router that you have. Your router can only push out 150MBPS while you brought a PCI-E rated at 300mbps. So your going to have to upgrade the router to N300 if you want to get that speed increase

Depending on where your PCI-E adapter is the signal is random because you have a short antenna and that can cause packet lost.

I have a 300MBPS adapter and I only see some difference at 300MBPS.

Suggestions for you

You can by a Extension cable for your NIC or move your computer in a open area around the antenna or move the antenna at an angle so it doesn't hit the wall.

Hope this helps

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#7 korvisus

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Posted 15 November 2012 - 05:49 PM

oh its fine, i appreciate you getting back to me.

a couple points though... im getting full signal, no problem signal is not the problem, and we arent talking about getting half of normal download speed, but a pitiful .5mbps when i should be getting around 15. i would not be surprised if i had a G adapter somewhere in the mix. the upload speed is completely normal though, at 5mbps upload speed. even when my computer is the only one on the network, i get .5mbps. this fluctuates a bit, but never over 1.5.

also, that is my router you linked.

#8 coxchris

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Posted 16 November 2012 - 03:10 PM

I never had a PCI 1X network card. I only run USB Nics. It could be the limitation of the bus but I haven't run anything on that scale. It could be that Nic

The only thing that I can think of its moving the router closer or interference from a EMI source (like Microwave)

but when you say I the only one on the network so It cant be G in the mix

Does you router have the option to only work with N networks

like I have mixed or 150Mbps or 300Mbps

But it depends on what type of adapter you have

I think its the card or interference.

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#9 korvisus

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Posted 20 November 2012 - 03:16 AM

i have a new development!!!!!!

so, i won a 250gig crucial m4 SSD, and i just got finished installing it. I did nothing else, just disconnected my HDD, connected my SSD, installed windows, reconnected HHD, set SSD as primary boot, and BAM, im getting 8-11mbps. It is not perfect, indeed, not want i would prefer, but it is much better than ever before.

SO... fyi, for anybody seeing this issue, that is what semi-solved it for me. Hopefully you can take the solution further, and if you find the root cause, please post here and let me know :)




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