Searching various forums once again brought up many unanswered queries concerning the same problem. I’m not sure this is related to your issue, and maybe you have already tried this. But yet sometimes, every few minutes not seconds , fluctuates to 18 and Also I’ve noticed the My Wifi software is erratic often not recognising the adaptor, repairing the software brings it back, but it disappears once you restart the notebook!!! Many Thanks in advance.

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Even if I could connect it had a awful signal and speed fluctuation.

I’ve tried pretty much any fix I’ve seen mentioned, from disabling bluetooth which shares the adaptor, installing latest drivers and software, cleaning registry.

Also copying files between my Lifebook and other PCs in the network is slow, It is notable that the bluetooth of the adapter is working well, I am using Windows 7 Professional and I am sure that there is no issue with my OS as I have reinstalled it many times. On the fujitsu website there are two different versions and maybe also on the Intel Website itself. At first days I had purchased, it was connecting hardly and I needed to carry it to a nearer place to connect and after returning to the desk it either remained connected and working or got disconnected.

I have now installed the lated driver for my wireless adapter from Intel’s website. One thing I have had a few times when trying driver updates is the BSOD resulting in a system restore. My Amilo Pro connects to the wireless network on my desk with no issue and works fine and the speed and signal is fixed at 54Mbps.


Is this adapter poor totally? Also I have a WiFi enabled phone which works well at the same place. Skip to content Search Advanced search. Seems Intel really have issues with there hardware, the N card brings up a USB error about every 30 seconds, and the bluetooth didnt work. After replacement, they put the notebook in their wireless network for 3 days and then stated that there was no problem after replacement.

I contacted the representative and asked ii they can install another model of Intel Wireless-N series adapter. First of all I thought this may be a visual bug and is normal but it really affects the performance of fhjitsu network mostly when I want to transfer large files on the network which I have no issue with other wireless devices on the network.

It’s a very common problem google N brings up no end of complaints. And then wifi worked perfectly.

Fujitsu Lifebook Ah Wireless WiFi Card BNHMW | eBay

Also doing online speed tests very erractic results compared to the USB adaptor which gives consistant high results. I’ve put the N back in, and continue to use a USB wireless adaptor which is far more stable.

Can I upgrade my wireless adapter to higher model? We all have paid a lot of money on our notebooks. But my AH difi has a Core I3 configuration has issues with my wireless network at the same place. I have also a Amilo Pro V which I have bought about 4 years ago. I’m now trying to find a different make combi wifi card to try.

Recent Drivers  CT4810 LINUX DRIVER

Excuse me for long writing. And most of time i have speed of 12Mbps with 4 Antenna lines. Try to install different wlan module drivers if there are any changes. If not, give it a try.

My internet is 30mb cable and iwfi the Wofi I can download at fullspeed, The inbuilt adaptor is very eratic.

Fujitsu LIFEBOOK AH531 laptop Wi-Fi device drivers

Also they say taht fluctuation was exist with new card but it is normal as they can see such fluctuation on some other AH notebooks. Did the service store tried to reproduce the problem with their own wlan network so that you know if the problem also appears at another wlan network?

Let me know your idea. But fuitsu sometimes, every few minutes not secondsfluctuates to 18 and After updating the driver fluctuation is now reduced.

After that now I can connect easily at my desk but it has the same fluctuations and sometimes every few minutes no data can be transferred for some seconds and then starts working again.

I can sit next to my router and the speed is up and down.