Wireless problems, intel wireless pro 6200

hello, i need some help
(just in case, im sorry for my english)
i´ve an acer aspire 5740g, linksys e3000

my acer original card an atheros, cant connect on 5ghz, or anywhere near 300mbps! so i buyed a new one on ebay, an intel wireless pro 6200 to replace this atheros!

received today, installed, but...i cant get 300mbps, my acer wireless light, an orange light is now blinking all the time, my speed is unstable on 5ghz or 2.4! starts with 150mbps, drops to 90, then 120, then 150 again, all the time! and this annoying orange light blinking, atheros never blinked or im crazy! oh and my signal strenght now drops from 5 to four bars all the time, that never happened with atheros, i live on a small apartment! the router is really close, just drops on 2.4 or 5ghz

how do i get 300mbps? how i make my lan speed and signal stable? and dowloads, any advice about the blinking light?

just adding, i already tested with my older router, wrt54g2, and the light blinked the same way! my connection never drops, im playing wow right now, good ping and everything, but i want 300mbps =( doesnt make sense paying 160 dollars on this router and being unable to get 300mbps or worse getting unstable lan speed! apparently the problem is the wireless card but im not sure! latest drivers installed, intel app and everything updated! w7x64 hp!

thanks a lot

 

for 5Ghz, did you set on the router, to use 40mhz channel width and use WPA2-AES?

 

yep, i can connect to 5ghz, im connected right now on this band, only n, 40mhz, tried switching channels, linksys helped me tweaking a few settings but...my connection is intermittent, orange light blinking, speed varies from 150 to 90, and no 300mbps =(

right now im switching drivers, lets see if this is a driver issue

 

how far are you from the router? any walls in between?

 

one wall! but doesnt matter, right now, im looking to my router and l!they are touching each other
hehehe
same problem =/
well i replaced the intel wireless card 6200 with my atheros, just to make sure that the problem is with the intel adapter! and 0 problems, no 5ghz, but no light blinking, no intermittent connections!
anyway, even with all this problems intel is still faster than atheros but this blinking light, and no 300mbps makes me angry =(

 

update, i updated my e3000 with dd-wrt beta firmware! really nice firmware
but...same problem hehehe
i observed the signal on dd and its around 50 60%, even if the router is on the same room

 

The question you haven't answered explicitly so far- do you use WPA2+AES as security?
Also run inSSIDer and see how the signal on the laptop changes when you move your router (try placing it higher) and see if the channel you are using is free and so are the neighboring channels.
Do you have a cordless phone that works @5GHz range?

 

@DeepBlack.
Regarding your question about that blinking light, its due to Intel's Wifi card drivers, I know that because I have also tried several atheros drivers (even modded one) and few of them used to blink like that but the latest and the official ones don't used to blink. It's just a driver issue. I know its annoying. You can search and try some modded intel wifi drivers that could possibly stop that light from blinking.
TRY getting 300mbps in ad-hoc mode with another laptop that too supports 300mbps. and also try sending a big file/folder (min. 1gB) through the router to another laptop (with 300mbps wifi card capability) and see what the speed is? It should be near 30MB/sec in both the cases.
Now....regarding your signal strength. Have you checked your intel wifi card's transmitting power settings. You might be able to set it through the device manager or the application that came with your intel's wifi card.
I have seen many laptops with different wifi cards but the atheros wifi card, somehow, seems to get good signal strength comparatively.

 

I have 4-5 bars on 5ghz, supposedly 270Mbps but I only move data (large 3-4GB files as test) at only around 80-90Mbps.

I would run a test to see your transfer speeds and never mind what you actually are connecting at. More important is what you move data at.

 

yep, i only use wpa2+aes with all bands!
ill try this insider, but with dd i can see my signal isnt better than 50, 60%! i can connect at 5ghz, when i connect the speed is 300mbps, then suddenly drops to 150, then 90, then 120, then 150 again! samething with 2.4ghz! doesnt matter wich band, always the same problem!
my phone is 2.4, i tried turning off but same issue!

ill format my note today, maybe it works :/ at least im gonna try! install different drivers and see what happens!
when i transfer to my desktop, that is gigabit connect on the router, it gets 12mbps only!
my transmitting power is 5, maximum! i tried a lot of settings in device manager!

like i said, i tried moving hd movies from my laptop to my gigabit desktop, and its around 12, starts with 12, drops to 10, then 12
really weird

im running out of ideas!

 

12mbps of the actual transfer? Not 12MB/s but 12Mb/s right?
If that's your speed it's lower than 802.11g manages (20-22mbps)
DD-WRT shows you one part of the signal strength how good it can "see" your notebook, inSSIDer shows the other half- how strong the router's signal is where the notebook is. Both devices have different antennas and possibly slightly different transmit power so it's not the same.

 

^I think he mistyped it. It must be 12MB/sec. That roughly translates to 120 mpbs what he was saying earlier.
I have a desktop with 100 mbps ethernet with cable attached to my 54 mbps capable router. I get speeds of 5-6 MB/s during file transfers.

 

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my graphic white is 2.4 yellow 5.0 downloading a file with 5.0ghz! there´s nothing connected on 2.4
just to remember, im 5 meters right now from the router...i live on a small apartment!
and my speed is only 12mb/s(120mbps), starts with it, drops to 9 after a while, worse than my atheros + wrt54g2

 

First of all change your 2.4GHz channel to number 1 as this one is non-overlapping and the one you are currently using has two other networks on it and another one on a neighboring one. See if it improves the speed for 2.4GHz
Do you use both bands or just one? If you use only one disable the other band entirely. Rumor has it that some "n" routers are underpowered (PSUs) so it may help a bit.
Also try changing wireless channel for 5GHz- inSSIDer shows only Wi-Fi devices working on 5GHz not all that's going on that frequency so there may be some other interference.

 

im gonna try this, but...
i made a few tests
opened again, removed both antennas, and tried both on 1 and 2
when only one antenna doesnt matter wich one, black or white, are connected to 1, i got 5mbps-1mbps speed
and when i connect only one antenna black or white, on 2, i have the same behavior as now with both connected!

adapter problem? how does antenna 1 works anyone can tell me? the purpose of antenna 1? Razz

i hope it´s not an adapter problem Sad

 

I hate to say this,but most Intel6200 wifi cards on ebay aren't Intel cards at all.They are massively produced generic products of questionable quality.Even Amazon had some of those in the begining...

 

You know, I had the exact same problem with the Intel card I bought from Ebay. So where can I get an Intel card which is officially from Intel?