Intel wireless AC 9260 not working. (Code 56)

[Ensaresad54]

Last Thursday my wireless driver suddenly stopped working and I couldn't connect to İnternet. So it happened when I tried to install an update from Windows Update and then my Connection was gone. I looked up to Device Manager and saw my Driver was sending Code 56. I uninstalled and reinstalled the Driver. nope. Tried to install the Driver from the Intel Support Site (without Bluetooth, mines working), also didn't work. I'm not sure what to do now so pls help me.

[n_scott_pearson]

I suggest that you do a clean install of the Wireless and Bluetooth support. Here is my process:

1. If you haven't already, download - but do not install just yet - the desired Bluetooth and Wireless driver packages for your adapter. Here are the current links for downloading these drivers: Wireless: https://www.intel.com/content/www/us/en/download/19351 and Bluetooth: https://www.intel.com/content/www/us/en/download/18649
2. Disable Internet access. Unplug Ethernet cable and/or disable wireless. Keep disabled until told to re-enable. Note this Wireless disable must be of type that will stay disabled across reboots.
3. From the Apps & Features applet, check for instances of Intel PROSet/Wireless Software and Intel Wireless Bluetooth. If none, skip to Step 6.
4. Uninstall each instance of Intel PROSet/Wireless Software and/or Intel Wireless Bluetooth that is present. When prompted, choose to "Discard Settings".
5. Manually reboot your computer, keeping Internet access disabled throughout.
6. From the Device Manager applet, check the Network Adapters section for an entry for Intel Dual Band Wireless-AC 9260 and check the Bluetooth section for an entry for Intel Wireless Bluetooth that has an intel driver associated with it. If neither is the case, go to Step 10.
7. Right click on the entry for Intel Dual Band Wireless-AC 9260 and uninstall it, choosing to (checkmark) Delete the driver software for this device.
8. Right click on the entry for Intel Wireless Bluetooth and open its properties. If it has an Intel driver associated with it, then uninstall it, choosing to (checkmark) Delete the driver software for this device.
9. Go to Step 5.
10. (Optional but recommended) Clean out all temporary files using the Windows Clean Disk tool. Ensure you have enabled cleaning of System Files. I recommend that you then checkmark all categories offered, even if no files currently in this category (so it leaves it set up for next invocation).
11. (Optional but recommended) Clear each of your browsers' cache.
12. Install the downloaded Bluetooth driver package (my rule: always install Bluetooth first).
13. Install the downloaded Wireless driver package.
14. Manually shutdown and reboot your computer.
15. Reenable Internet access. Restore Ethernet cable and/or reenable wireless.
16. Test.

Hope this helps,

...S

[Ensaresad54]

There's an app called "Intel PROSet Adapter Configuration Utility". Should I delete this too?

[Ensaresad54]

Unfortunately, the clean installation didn't work.

[Ensaresad54]

The clean installation didn't solved the problem

[n_scott_pearson]

Yes. It should have been deleted by performing Step 8 and rebooting, but this may be a case where either the app was installed manually or was installed automatically from the MS App Store.

...S

[Ensaresad54]

Should I also delete Intel network connections

[n_scott_pearson]

What did you install that started this whole mess?

...S

[Ensaresad54]

It started when I installed the update from the Windows Update.
Like you said, I installed first the Bluetooth package and then the Wireless Driver package

[n_scott_pearson]

Please download and run the Intel System Support Utility for Windows. When you start the tool, select Everything and then click on Scan. Once it completes the scan process, click on Next and then Save. Pick a name for the text file to create and click on Save to create it. You can then close the app. Finally, open a response post here and then, using the Drag and drop here or browse files to attach dialog (below the edit box for the body of your response post), upload and attach this text file to the response post.

...S

[Ensaresad54]

I hope it hepls.

I noticed that my Wireless Adapter was missing from the Summary

[n_scott_pearson]

Yes, indeed, the Wireless hardware is missing. Based upon the fact that the Bluetooth device is also missing, I would say that you have a hardware issue (perhaps an adapter failure). I base this on the fact that the Bluetooth device is connected via USB, while the Wireless device is connected via PCIe. You cannot see both disappearing without it being a hardware issue. Now, it could be something as simple as the device being disabled in BIOS Setup; I would check that first.

Hope this helps,

...S

[Ensaresad54]

As a matter of fact, I look up in the event manager saw my wireless adapter had the status 0x0 and problem 0x15.
While you said that my Bluetooth adapter was also missing, it works perfectly fine. I can even connect to my controller wirelessly. It only says that the Installation was incomplete, somehow. Anyway I will look it in BIOS Settings later to check if the Updates changes some settings or so.

[Ensaresad54]

No luck with the BIOS settings.
Either there wasn't an option to enable it or I couldn't find it.
So, I will try to do an Inplace Upgrade to check if that works and of course I will keep my files and apps during the Upgrade.

Hope that works!

[Ensaresad54 · Accepted solution]

Hi,

Im happily to announce that the Inplace Upgrade has fixed the Driver Issue and this thread can now be closed. I will make sure that I uninstall the Driver Update from the Windows Updater.
If everyone had the same issue as me, consider to make an Inplace Upgrade or alternatively, a System Restore if you have any available.

Bye!