This error is less common with older versions of windows, win 10 is encountered.
1. Edit Power Management Settings when laptop loses Wifi connection
Step 1: To fix the turn off Wifi error, you first need to open the Run command window, you can open Run quickly by using the Windows + R key combination.
Step 2: Here you enter the command “devmgmt.msc” and then click OK.
Step 3: The Device Manager window will appear on the screen. Scroll to find an option called Network adapters, then expand the Network adapters section by clicking on the downward arrow. Next, right-click the Adapter you use, and then select the Properties option.
Step 4: Now switch to the Power Management tab. At this point, pay attention to uncheck the box Allow the computer to turn off this device to save power.
Step 5: Next, click OK and remember to close the Device Manager section.
So you have completed the way to recover the turn off Wifi error on the laptop already. Please check if the network is connected. If not, follow the steps below.
2 – Fix error when laptop loses Wifi connection by changing Home Network from Public to Private
Step 1: To do this, first you need to click on the Wifi icon in the system section of your laptop’s Taskbar.
Step 2: Then you select the Wifi name you want to connect and click Properties.
Step 3: Next, in the Network Profile section, click on the Private item to switch the network status from Public to Private.
Step 4: Here when a new window appears, click find and click on Change network location.
Step 5: Now click Yes to set this network to Private Network. Then use the right mouse button to click on the Wifi icon in the system tray. Now select Open Network and Sharing Center. If the network you use shows as Private Network, it means it was successful.
Method 3 – Fix error when laptop loses Wifi connection by disabling 802.11n
One way to fix the error of losing Wifi connection is to disable the 802.11n Wifi standard (also known as Wireless N). This approach is designed to improve the Wi-Fi 802.11g standard, by using multiple wireless signals and antennas. However, using a lot of signals can also interfere with nearby 802.11b/g networks and thereby inadvertently cause Wifi disconnection.
To disable 802.11N (wifi standard), follow the steps below:
Step 1: First you need to open Device Manager and expand Network adapters in the right pane of the computer screen.
Step 2: Next, you choose to click on the Wireless adapter in use to be able to open the Properties window.
Step 3: Here in the Advanced tab, click 802.11n Mode and remember to select Disabled.
Step 4: Finally, select OK to save the changes and close all windows to complete the operation. Now to know if the error of the computer losing Wifi connection is recovered or not, try restarting the laptop and reconnecting to the Wifi network.