- WiFi connectivity is ubiquitous these days. Yet, sometimes we need to add or update the WiFi on a device so we install a WiFi Adapter for this.
- If the USB WiFi Adapter keeps disconnecting from the router and drops the connection make sure it doesn't get too hot. Update the drivers and change some power settings as we describe in the article.
- If you are having WiFi problems we got you covered. Check out the dedicated WiFi issues section for troubleshooters of a different kind.
- Who doesn't like accessories? Especially when they are so useful. Our peripherals hub is filled with articles about anything you can attach to a computer and how to make them work as they should.
Taking the best out of home network often requires Wi-Fi access. Nonetheless, it seems that users that turn to an external USB Wi-Fi adapter frequently run into issues. The one we’re referring to today concerns frequent disconnecting.
Users are unable to maintain enduring connection and there’s no solid reason why’s that the case. For that purpose, we provided multiple troubleshooting steps in the list below that should help the ones in need.
What can I do if my USB WiFi adapter is frequently disconnecting?
1: Check hardware
The first and obvious step is to confirm that the USB Wi-Fi Adapter is actually functional. Trying it out on various PCs should give you a good starting point.
If USB Wi-Fi adapter is indeed without malfunctions, we’re afraid that none of the below steps would help you. On the other hand, if it’s performing well and the issues are closely connected to one PC, continue with the steps below.
Also, make sure to try multiple USB ports before you dismiss the hardware and move to the software troubleshooting.
Due to frequency band support, USB 3.0 will work exclusively on 5 GHz band, while USB 2.0 is predestined to run on 2.4 GHz, rather.
2: Update drivers
The most probable instigators of connection inconsistency are drivers. The majority of popular USB Wi-Fi Adapters come with the installation disk with the supporting software.
However, due to lack of compatibility with legacy motherboards, even the driver provided by OEM’s won’t work every time.
Furthermore, a lot of OEM’s skip on a distinctive supporting software and advise you to use generic drivers you usually install on the internal Wi-Fi Adapter.
With that in mind, we can choose two ways to address the probable drivers issue. The first way is to reinstall the driver through Windows Update, and the second is to download the drivers manually.
First, let’s try to resolve the problem with Windows Update:
- Right-click the Start button and open Device Manager.
- Navigate to Network adapters and expand this section.
- Right-click on the USB Wi-Fi Adapter in the list and Uninstall it.
- Restart your PC while keeping USB device plugged in.
- The new driver will install immediately.
Secondly, let’s try and locate the drivers manually within the system:
- Right-click Start and open Device Manager.
- Expand the Network adapters section.
- Right-click on your USB Wi-Fi Adapter and choose to Update driver.
- Click Browse my computer for driver software.
- On the next screen, click on Let me pick from a list of available drivers on my computer.
- Select an alternative driver and install it.
Also, you can google your external adapter online and look for applicable drivers. However, make sure to download only trusted drivers from the official sources in order to avoid malware infections.
3: Check Power settings
Besides the standard fuss concerning drivers, another possible reason for underperforming USB Wi-Fi adapter leads to Power settings.
There are various Power options involved — some of them related to USB hub and others that reside in the advanced adapter settings.
Nonetheless, there are all unified in one system’s goal: to preserve the power consumption by disabling certain features of USB Wi-Fi Adapter.
So, in order to resolve this, we’ll need to make sure all related options are disabled.
Disable USB selective suspend
- Right-click on the Battery icon in the Notification area and open Power Options.
- Select Change plan settings.
- Select Change advanced power settings.
- Expand USB settings and then expand USB selective suspend settings.
- Disable this option for both choices and confirm changes.
Disable USB root hub power preserving
- Right-click Start and select Device Manager from the Power User menu.
- Expand to Universal Serial Bus controllers.
- Right-click on USB root hub and open Properties.
- Click on the Power Management tab.
- Uncheck the Allow the computer to turn off this device to save power box and confirm changes on every port.
- Restart your PC.
Disable WLAN Adapter suspend
- Open Device Manager.
- Expand Network Adapters.
- Right-click on USB Wi-Fi Adapter and open Properties.
- Under the Power Management tab, uncheck the Allow the computer to turn off the device to save power box.
- Now, under the Advanced tab, locate Selective suspend and disable it.
That should do it. In case you have any questions or suggestions regarding the frequent disconnecting of the USB Wi-Fi Adapter, feel free to share them with us in the comments section.
FAQ: Learn more about WiFi adapter disconnecting
- Why does my WiFi adapter keep disconnecting Windows 10?
The quick guide for fixing the USB WiFi adapter that keeps disconnecting takes you through a couple of most common causes and what to do in each case.
- Why does my wireless adapter keep disabling?
If the WiFi adapter is shown as Disabled, it usually points to faulty hardware or bad drivers. Try updating or changing the drivers first. If not, change your hardware. We might have some suggestions for low-latency WiFi adapters.
- Why is my computer not detecting my WiFi?
There are a number of reasons this might happen: perhaps the device drivers are corrupted. Or the WiFi network is hidden. Check this extensive guide if the home network doesn’t show up.
Editor’s Note: This post was originally published in January 2018 and has been since revamped and updated in April 2020 for freshness, accuracy, and comprehensiveness.