I have been struggling for some time with my Wifi adapter (Intel Centrino N-2230) which 'disappeared' after a recent update to Windows 10. Now I have been without Wifi for more than three weeks and I am really anxious to find a solution.
During an update of Windows 10 (this was before the update to Creator's) the wireless adapter suddenly became 'invisible', i.e. the computer didn't know anymore that it exists (no reference anywhere to Wifi, for example under 'Network and Internet settings' Wifi doesn't appear as an option, etc.).
In Device manager, the network adapter had also disappeared. I found that it still existed under 'hidden devices', tried several things (uninstal followed by scan for hardware changes; or - following the advice by the (not very useful) Dell customer service - installing Intel PROSet/Wireless Software and Drivers for Windows 10 (without any visible effect whatsoever), etc. In between different attempts to find a solution sometimes the device disappeared also from the 'hidden' items of device manager, sometimes came back upon restart, all very erratic.
This morning I gave it another try, uninstalled the 'hidden' device and then reinstalled it using 'instal legacy software' option, but now I get the error message "This device is not working properly because Windows cannot load the drivers required for this device. (Code 31)."
Thanks so much for your suggestions on how to resolve the issues with my wireless adapter. I followed the steps you had proposed and was very happy when this morning everything seemed to be perfectly ok. The adapter was visible in Device Manager (with the message 'this device is working correctly'), different networks were detected, and I could even use my Bluetooth speakers at the same time, which had always been a problem in the past (either Bluetooth was working and Wifi wasn't, or vice versa).
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thanks for your suggestions! Concerning Windows updates, it is actually impossible NOT to get updates automatically installed under Windows 10 Home edition unless you have a metered Internet connection. I have recently upgraded to Windows 10 Creators edition, and given the recent cyber attacks I check for updates every morning before doing anything else (just as an additional precaution). So I can guarantee you that my Windows is completely up-to-date (the problem actually appeared before the upgrade to Creators, but a good while after the move to Windows 10 Anniversary Edition - Wifi was working fine under Windows 10 Anniversary until that one update that killed it - and which I couldn't make undone).
Concerning the BIOS, there again this was the first thing the person from the Dell customer service asked me to do - but I had already done it myself just a few days prior. The latest version of the BIOS for my system appears to be A14 from August 2015.
I will now try the clean installation steps with the new driver - I suspect that it will work immediately after I've done it but the question is whether Wifi will still exist when I come back from work tonight!! I'll keep you posted.
bad news - I cannot install the new driver as the wifi adapter is nowhere to be found in device manager (not under 'hidden devices' either). When this happened before I could usually get it back by doing a 'cold reboot', i.e. pressing the power button for a few instances until the computer shuts down and then restarting it. But this time this didn't work either (besides, I don't think this is the best way to treat a computer...).
What I do see in device manager (under Network adapters - hidden devices) are several instances of something called 'Microsoft Wi-Fi Direct Virtual Adapter' (they are numbered # 4, # 5, # 6). I wonder what that is all about? Are these needed, what are they, and are they perhaps interfering with the Intel N-2230 that has disappeared??
Further up there is also Intel Centrino Wireless Bluetooth + High Speed Virtual Adapter which I suppose has nothing to do with wifi (??), and then of course under Bluetooth the Intel Wireless Bluetooth adapter, again unrelated to wifi, I suppose.
thanks for trying to help even if this is all a bit weird! I still cannot see the wifi adapter in Device manager, but I suppose the number you're looking for is the same that is recorded in the Events log? This is what I can find there:
Since your adapter still refuses to show up in your Device Manager, there is a change it may actually have failed. If this is the case, you may need to contact your computer manufacturer to purchase a replacement.
Based on your system's support and downloads page, it seems your options will be between the same adapter or the Dell Wireless* 1703, 1704, or 1705 WiFi + Bluetooth adapters. However, your safest bet would be to engage your OEM to find out.
Aside from those, you can always opt to switch over to an USB Wireless-AC adapter. These adapters are really small and affordable now days, the downside being that it will permanently occupy one of your USB slots.
thanks for all your help with this! I tried to do a system restore immediately after the problem had occurred but it failed (for whatever reason - the system just said 'restore failed'). By now I have upgraded to Windows 10 Creators and I can no longer even try to restore to a point before the incident. So that option is out. Dell Customer Service told me to delete everything (including my own files - after saving them on a hard drive, of course) and do a complete new installation of Windows, but I refuse to do anything so radical with insecure outcome (it would mean losing all the software I have installed etc. and would simply be a real pain in the neck).
I have already considered buying a USB wireless adaptor and so that's what I will do now. And I'll also give it another try getting a new card installed (which failed previously due to 'logistic' issues related to Customer Service I don't want to get into). I'll report back if and when I manage to get the card exchanged, and whether that solves the problem.
I noticed that when it appeared, it said something is wrong with the adapter. Disabling and enabling the adapter sometimes fixed it and I could find WiFi networks again, but I think it broke again after the PC went to sleep or something like that.
Depending on your operating system, device manager may hide a device for one of several reasons. Sometimes, this can happen once you've uninstalled it's drivers completely. Other times, it may be a sign of failing hardware or your adapter not sitting properly on it's slot.
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My wifi driver (Intel(R) Wi-Fi 6 AX201 160 MHz) has completely ceased to function. I've tried running the Driver Assistant tool multiple times, and installing the newest version of the driver has not helped at all.
I'm not very technologically inclined and I'm having a really hard time understanding what to fix here.
What mean for you "manully shutdown", "manually restart" - I usually go at Windows icon then Power -> Restart/Shutdown.
Maybe you can check my components at my profile, I install "Intel Driver & Support Assistant". I am Computer engineer and work like Web developer, so I know some stuff. I also bring PC to local PC experts but did not helped me. Motherboard seller said that he did not have fault Motherboard like this, usually is something bigger. He also think this is driver issue/conflict and he can send me new motherboard.
I have a similar problem with the Intel Wifi 6 AX201 160Mhz, it still doesn't work despite following the same instructions, I recently did a fresh install of Windows 11 and to date it's the only device that doesn't work. The strangest thing about the issue is that Bluetooth doesn't work either and it doesn't appear in the list of devices, can you help me?
For the people with issues make sure you really follow each step as Scott mentioned and, for me, after the new drivers are installed I had to shut down the pc on the power button otherwise would still fail for some reason.
I have a Dell Optiplex 7090 with AX201 network adapter, been having problems lately, at least 3 months of this. I have a huawei AX3 Wifi 6 router, before it was working fine, usually got 2.1gbps speed, suddenly AX201 dropped. I have a notebook with AX201 showing similar symptoms.
The symptoms that I found were that I couldn't access Wifi 6 5GHz, only 2.4GHz.
Apart from wifi 6, I also have a wifi 5 router TPlink C8 which also worked fine before, on average it can get speeds of up to 1.3gbps.
After the issue of not being able to connect to 5GHz wifi 6, I tried connecting to Wifi 5, it turns out that the highest speed is only 190mbps.
I have tried the steps given here, I applied on a notebook and Dell Optiplex 7090, but it didn't work, the symptoms remain the same.
I have another older notebook but the wifi card has been replaced using the AX210, it doesn't show the same symptoms as the AX201.
Finally I tried changing the wifi card on my Dell Optiplex 7090 using AX210, the above symptoms disappeared, AX210 worked perfectly, connecting to Wifi 6 got 2.1gbps, and to wifi 5 got 1.3gbps on the same wifi network as AX201 used.
It can be concluded that the issue is indeed the problematic AX201, if you search the internet, many complain about the AX201, and not a few who provide various kinds of troubleshooting but nothing works.
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