FAQs about wireless network [1]-No wireless network found (Please read it carefully)

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I collected the most frequently asked technical questions from customers recently and made a unified and detailed answer. This document uses the problem symptom + solution record mode. Please check the check box and contact our online customer service.   Confirm before handling the problem: 1. the power of the related device has been switched on. -- The POW light of the device is on. 2. the driver is correctly installed. In [my computer], [Right-click the menu] and choose [manage]. in the [Device Manager] window, check whether the network card is started properly (No exclamation point or question mark is displayed on the device icon ).     There are two quickest ways to call the "Device Manager", which is frequently used in device debugging...     If your laptop has a built-in wireless network card, pay attention to the wireless switch that comes with your notebook. Some books have a function key on the keyboard (generally a day. line emission), some books are a button next to the power switch, and some are a mobile switch on the side of the notebook, please refer to the instructions in this book.   =========== Problem symptom No.1 ==================     When the connection fails, the wireless link in the lower right is a Red Cross. Double-click the Windows XP SP2 wireless manager. If you see the following picture...   R   Many customers come to the seller without looking at the intermediate text carefully. In fact, this problem is very simple. Window also tells you to start the Wireless Zero Configuration (wzc) service. By default, this service is automatically stopped when a third-party wireless Manager program runs on your computer (sometimes running when a driver is installed. You can use either of the two methods to enable the function. One is to disable (exit rather than minimize) The third-party Wireless Management Program (usually there is a small icon in the lower right corner of the menu to exit), and wait for 30 seconds, the wzc service will get up; the other is to manually force the next service ......     When the service status is started, [refresh the network list] To see the visible network around.   =========== Problem symptom No. 2 =================     When the connection fails, the wireless link in the lower right is a Red Cross. Double-click the Windows XP SP2 wireless manager. If you see the following picture...     The prompt is clear ~ This is because a configuration option is not enabled. Click [change advanced settings] to display the following ELE. Me tab.     [OK] I will return to the manager to refresh the Network List. Is the surrounding wireless network displayed? Simple ......   =========== Problem symptom No. 3 ================     If none of the above problems occurs, or you can confirm that Nic A is good (because you can find other wireless networks ), it can also be confirmed that wireless route B is also good (because other wireless devices can find this router), but that is, network adapter A cannot find wireless route B, it may be a channel problem. This symptom exists on Intel's wireless card, because the US wireless channel is 1-11, Europe and Japan are 1-13, and some special channels can be 14.   Some wireless routers automatically select channels. After the system is turned on, it will find that the surrounding channels are occupied or interfered, and then it will change itself to a higher channel (frequency). If it is a 12-14 channel, your us Nic may not be found. The solution is simple, that is, entering the specified wireless channel on the vro between 1 and 11.   In fact, unless it is a hardware problem, it is usually a problem of software, configuration, and driver. We will gradually improve this in future tutorials. If you have other questions, please leave a message here and we will concentrate on your answers.