Advice 1: How to check network card on the laptop

Non-working network port in the laptop — not a rarity. If the network connection is not working, network card may have failed. Reasons for this may be several: starting from a spark of static electricity to mechanical damage of the connector terminal.
How to check network card on the laptop
You will need
  • - administrator rights.
Instruction
1
Check your network settings. Each network has its own rules to configure a network connection. These usually relate to such parameters as range, IP address, default gateway, and others. Verify that you are in the right range of IP addresses in your network there are no address conflicts. If you can't configure yourself, browse online special instructions. Like described, what to do, the screenshots made by users during this procedure.
2
Restart the computer and enter the BIOS laptop. To do this, immediately after starting the laptop, press Del on the keyboard (it can also be F2, Esc, or other buttons). Check that the network card had the Enable parameter is enabled. Install drivers for network adapter by downloading them from the official website of the manufacturer of your laptop. When you select drivers note your laptop model and operating system version. If you have the installation disk then download all software from his personal computer and then restart it so the changes are saved.
3
Remove the network connection and create it again. Thus you will get rid of the incorrect settings that can be assigned to the old network connection. In a pinch, you can try to reinstall the system. If all these steps do not help you run network map, then, alas, it is out of order. Specifically for laptops and netbooks are available in external network adapters that connect via USB. If you can not use wireless technology, use of such a device. However, it should be noted that these techniques have some limitations in speed, and the fares are much more expensive.

Advice 2: How to check network card

After a successful installation of the network adapter, it may happen that it suddenly stops working, the connection to the Internet is not carried out, the local network no. Initially, you might think that business in the modem or provider temporary shutdown of the Internet today are not uncommon. To test the functionality of the network card, use the tips described in this article.
How to check network card
You will need
  • Check the system settings of the network adapter.
Instruction
1
The easiest way to test the connection and the network card is to pull it out of your system unit and insert it in another system unit, where the LAN connection was OK. We should not forget that you will need to install the latest video drivers for the correct operation of the device. When you install the card in another system unit, make sure that jumpers that are not available in all models of the network adapters that are in the desired position (select Plug&Play).
2
If the reason in incorrectly established drivers, or system failures, device Manager will show the fault in the form of a question mark on network controller. To launch "device Manager" click the right mouse button on the icon "My computer", select "Properties". In the opened window go to tab "Hardware" click "device Manager". You will see a window with a list of all devices. The existence of any problem with one of the devices displayed a yellow sign question mark, as described above. Please note that it is desirable not to occupy port IRQ 15 for the network controller – is not all this port to taste.
3
To check the network card on the performance connect it to another slot (on the motherboard several). Most likely, after these manipulations, the network card starts to work properly. If not, it makes sense to test all network cables.
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