Infopackets Reader ‘Sisi’ writes:

” Dear Dennis,

After I upgraded to Windows 10, I can no longer connect to my wireless network. However, when I connect my laptop to my router using a ethernet cable, it works fine. How can I get my wireless network to work again? ”

My response:

There’s a lot of reasons that the WiFi won’t work after upgrading to Windows 10. The top two reasons are that the driver for your wireless network adapter needs to be updated, or it’s possible that Windows 10 does not support your wireless adapter. With that said, I’ll describe a systematic approach to resolving this issue below.

How to Fix: No WiFi After Windows 10 Upgrade

  1. The first thing to do is to ensure that your WiFi adapter is working in Device Manager. To do so: click Start, then type in “this pc” (no quotes); wait for This PC to appear, then right click it and select Properties. The System window will appear; on the left side, click Device Manager. Scroll through the list until you see Network Adapters.

    If the device is working properly, Device Manager won’t report any issues. In that case you can skip to Step #2 below.

    If there is a problem with one of your networking devices, Device Manager will place a yellow exclamation mark next to the driver. You can find out what is wrong with the device by double clicking it; in the Device Status heading, Device Manager will report what is wrong with the device. If you see something like “The drivers for this device are not installed. (Code 28),” then you will need to update the driver. You can click the “Update Driver” button and hope Windows will find one online – however, in most cases you will have to go visit the laptop manufacturer’s website to see if there is an updated driver for your device specifically for Windows 10. If not, you may be able to install a network drive for Windows 8 (if one is available); if not, then try one for Windows 7.

    Note: please be careful when searching for drivers online the Internet. There are a lot of scam websites designed to trick you into purchasing a “driver” for your device. The truth is that you should never have to pay for a driver. If you are not sure how to update your driver, you are welcome to contact me for remote desktop support – simply send me an email with your request.

    If you are unable to locate a driver, you may need to a temporary workaround, such as using a USB nano WiFi adapter. These devices plug into your USB port on the laptop and will allow you to connect to your router. There are several such adapters available through Amazon.com – one of the ones I use is the Edimax 150mps Wireless N. It is super tiny and won’t protrude, which means it won’t be easily dislodged. If you need to connect super long distances then you will want one that has an antenna attached.

  2. Assuming there are not issues with your driver, the next thing to do is to ensure that your WiFi adapter is turned on. On some laptops there is a WiFi toggle switch that allows you to turn the WiFi on or off. Other laptops require you to press the FCN (function key) plus some F key (F5, for example) to toggle the WiFi.
  3. The next thing to do is click on your available networks and see if your WiFi adapter is picking up any radio frequencies. To do so, left click the network icon next to the tray bar and review your network connections. The icon should look like radio waves (like this) or a square box that looks like an ethernet jack (like this). If the adapter is turned on and working you should be able to select a WiFi connection. At this point you may need to re-enter in your WiFi password to connect to your primary network. If you see is an airplane icon (like this), you will need to disable the airplane mode by selecting a WiFi connection.
How to Fix: No WiFi After Windows 10 Upgrade

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