I have been facing a network adapter problem. My network adapter is Broadcom BCM4312 802.11 BGN WiFi Adapter. The adapter keeps disappearing and I am unable to connect to the internet which displays "No connections available". I have also tried the following commands: netcfg -d, netsh winsock reset, update, rollback the adapter and checking for hidden items in the device manager. However, I have recently uninstalled the adapter but am unable to reinstall it. This problem has been occuring for quite some time now but I was able to rectify it up until now. Please do let me know how can I resolve this issue.
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Have you run a wireless card test on your device to identify if this is either a hardware or a software malfunction?
If not, let's start with that:
Turn the computer On and keep tapping F2 repeatedly on startup to enter system diagnostics.
Select the component test and run a wireless test on your computer.
FOR DETAILS & FURTHER INSTRUCTIONS, USE THIS LINK: CLICK HERE
(By the end of this article all the issues should be resolved)
If the test fails or does not detect the wireless card, this could be a hardware malfunction, please revert to me with the failure ID,
However, if the tests pass, restart your computer, then visit the HP website and use the product number of your device to download and install the wireless adapter from the list under the Windows OS you select.
If the issue persists, you may want to create a backup of all your important data into an external storage device and perform a system reset:
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