How to solve the problem of "wireless network not found in area" by Computer wireless Internet access

case study one:
the laptop is fine before it suddenly fails to use the wireless network, prompting "No wireless network is found in the zone." There are three main problems:
One, event log is disabled by 360, enabled
The old version of 360 in "one-click Optimization", By default, "Event log (System Log service)" to the shutdown. The following is a detailed solution:
1, open "Event Log (System Log service)": 360 software Open, in turn: Click the "Feature encyclopedia"---into the "system service Status" or "power-on acceleration"---Select "Service"---Select "System critical Services"----find " Event Log (System Log service). If the current state is started, skip this step, or if the current state is disabled, click Resume Startup, and the current status will be turned back to started.
2, open the Wireless Zero Configuration (Wireless Configuration service): The same step, find "Wireless Zero Configuration (Wireless Configuration Service)": If "Current state" is "started", skip this step; "Current status" is disabled, click "Resume Startup", then "current status" is changed back to "started".
Note: If 360 is not installed, enter services.msc in the start-run and find the above two services and turn it on.
3, double click on the wireless connection in the lower right corner of the computer, click "Properties", click on the "Wireless network Configuration" button above, and then click "OK" before "Use Windows to configure my wireless connection settings" to open "view available wireless connections" to see if ok!
4, reboot the computer.
Two, wireless network card hardware switch is turned off
    each notebook has a wireless card generally has a hardware switch, some on the front side, some put on the side of the power switch (Touch key). Turn the hardware switch back on.
Three , the wireless network card driver has a problem: We recommend uninstalling the wireless network card driver, and then reloading the driver. Through Baidu "Drive Wizard", after installation can automatically retrieve your system drive.
   XP Uninstall the wireless adapter driver path as follows:  My Computer---(right)-----Properties---Hardware----Device Manager----- Network adapters
case study two:
just installed wireless network driver (notebook from Vista reload to XP), wireless network icon also saw, but not even on the network, prompted "the region can not find wireless network", How to do?
then you need to check if it's a book. Disable the wireless adapter, check the following 2 items in turn:
1   In your wireless connection, right-click to enable.
2   you look in the notebook, use the combination function key to open the wireless card, is the lower left corner of the FN key and f1~ The key that F12 the wireless signal is pressed at the same time! You can't find it. Look at the notebook manual, there will be a combination of function key prompts.
There are two possible scenarios in which a wireless network is sure to be in the zone and wireless networks are normal:
1 Wireless Adapter driver problem Uninstall Reinstall
2 Wireless card itself problem I remember HP has a notebook is wireless network card is not good for some wireless networks search (but for some but can be!!! I'm also very depressed about that. You can try a standalone wireless card with a USB interface. The
XP operating system under Access connections and the system's wireless capabilities can not be used at the same time, we recommend that you choose one.
How to: If you use only a wireless connection with Windows, you need to turn on the network connection, right-click the Wireless connection icon, select Properties, and then select the Wireless network configuration option (if you do not have this option, you need to enter "Services.msc" in the Run bar) Then find the wireless Zero configuration to see if it's enabled, if it's not enabled,
Choose Configure my wireless network with Windows. You should stop using AC software (accessconnection) to connect If you use the AC software, cancel the previous option, and then create a new profile, save your settings, and connect directly.