Sometimes, when we use the laptop, we use the built-in wireless network card to access the Internet, and suddenly cut off the network, and even there is no wireless network logo in the lower right corner of the desktop. What's the matter? Here is the reason why the notebook carefully arranged by Xiaobian has no wireless network logo. Let's have a look.
≫ & gt; & gt; click next to see why the laptop doesn't have a wireless logo
The reason why the notebook is not connected to the wireless network
1: There is no wireless network card in notebook.
2: Wireless network card driver is not installed correctly.
3: The physical switch of wireless network card is off.
What if the laptop doesn't have a wireless logo
Method 1
First, we right-click the taskbar under the desktop and select task manager
After entering the task manager, find the explorer.exe This is the process of resetting the desktop icon. It's available on all computers
Then end the process, and nothing will appear on the desktop, as shown in the figure below
Click 'file' - & gt; to create a new task, and then enter 'Explorer' in the input box, as shown in the following figure:
Finally, you can see that all the icons have been reset once, and the wireless network connection icon also appears.
Method 2
Right click the network connection icon on the right side of the desktop taskbar and select 'open network and sharing center'.
After entering, select 'change adapter settings' on the left to see if there is' wireless network connection'. If there is a red cross on the icon, double-click the wireless network connection icon to keep the wireless network card switch on the notebook. Then the network connection icon should appear.
If the above methods still can't solve this problem, press and hold 'win' +'r 'to call out the run command box.
Enter 'regedit' in the input box and enter.
In the open registry editor page, find HKEY in turn_ LOCAL_ MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Network。
Delete the config item directly, then open the network connection, and immediately reconfigure windows directly, and the disappeared wireless network connection and local connection icons will come out.
Method 3
XP: right click my computer - & gt; properties - & gt; Device Manager - & gt; network adapter,
Enable those with exclamation marks or question marks, or open other devices to enable them,
With exclamation mark, you usually have to download a network card driver.
Win7 / win8: there is a network connection icon on the right side of the desktop taskbar. Right click to select 'open network and sharing center'. Click in and select 'change adapter settings' on the left to see if there is' wireless network connection'. If there is a red cross on the icon, double-click it or right-click - enable, and then check the wireless network card switch on the notebook. The network connection icon should be there 。