Are there companies that don't provide wireless signals now? I can't believe that it was only in reality that i found out that there were such companies, big companies and some businesses. And, of course, there's a situation where wireless signals don't cover well。
Some companies allocate ip addresses manually for network stability and strictly control the number of connected computers. This has created a need to use computers to provide wifi signals to mobile phones for the purpose of reducing traffic。

Computers turn on hot spots
Here's how to set it:
First, we need to buy a usb wi-fi card, the signal doesn't need to be too far away, the computer's around, so we can buy the mini-net, and if the signal is good, we need an antenna card。
It is then installed on internet-connected computers, mostly free of charge, with newly purchased wireless cards, plugged into computers, which will find a virtual optical drive, and some computers will automatically install the drive. If there is no automatic installation, the installation file in the virtual pv double click operation needs to be manually opened。

Wifi signal
How to turn on the wireless hotspot
Win10 sets the method: if the computer is installed with a win10 system, it is simple to carry its own mobile hotspot, notifys the point at the lower right corner, clicks on the open-mobile hotspot, and this mobile hotspot will only be shown if a wireless card is installed。
Click right-click on = you can set the wifi signal name and password and see the connected user. Default is to connect up to eight users。

Open mobile hotspots
Win7 or xp system settings: additional software such as wifi sharing of elves, free wifis for leopards, etc., are required, and are very simple to fill in names and passwords as described, and also blacklists to manage users connected to the computer wifi。
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