Network Card, aka NIC and the network adapter enables your computer to communicate with other devices on the network.Network card for a wired connection is necessary - if not, the card is useless.In this case, you can disable it.
The presence enabled network card is easy to judge on the icon in the system tray in the form of two monitors.If you have access to the network icon is painted in gray (with no activity), or blue.If the power cord is connected, the icon in the system tray has a red color.
Many users to access the Internet using USB-modems.Network card in this case is superfluous, so it is disabled.To disable open: "Start" - "Control Panel" - "System" or right click the icon "My Computer" on the desktop and select the context menu "Properties".
3 Click the "Hardware", then click "Device Manager."In the "Network adapters", select the desired device, and double-click it with the mouse.In the window, at the bottom of the drop-down list using the device, select "This
device is not used (disabled)."Click OK.Icon NIC immediately disappear from the tray.If you need to re-enable the network card, open its properties and select the "This device is used (included)."
built-in network card can be disabled through the settings BIOS.To do this, start the computer, press Del, F2, F10 or Esc, a particular embodiment depends on the computer model.Find information about the integrated devices, typically a string of Integrated Device.Find OnBoard Lan device and switch it off by selecting options in the option Disabled.Save the changes by selecting Save and exit setup.When asked to confirm, press Y, then Enter.
not forget that the network card is required for normal operation of the driver.If the Device Manager have a yellow card icon, the cause of its malfunction, most likely a lack of drivers.It can be found on the internet by typing in the search box the exact name of your network card and add a "driver download".Download driver, click the Device Manager with a line card, right-click and click Select "Update Driver."