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3, select the type of network problem
If we are not going to solve the problem of not accessing a website, instead of having problems with the NIC or being unable to connect to the workspace, in the first step, click on "I have other problems", here are three options: Allow other computers to connect to the compute
Description
Computer model Lenovo y-560p
Computer installed dual systems, respectively: win764 bit and centos6.064 bit
Network: Telecom 4m,tp-link Wireless Router
Once installed, the network and wireless networks are as follows:
Ifconfig
View network card and
tool for LWE. you can configure most parameters of the wireless network card. Parameters: Essid: Set the ESSID (Extension Service Set ID) of the wireless network adapter ). ESSID is used to distinguish different wireless networks
Do you know the 802.11n wireless network card? Do you know how to use a 802.11n wireless card to achieve higher performance? Don't worry, let's take a minute to explain. Quickly through the following understand it, will certainly let you have a different understanding of 802.11n wireless card.
The descriptions in the
-> network connection" to see the "wireless network connection" that is successfully connected ".
So far, we have completed configuring WEP encryption information and connecting to the wireless network that has enabled WEP encryption authentication.
Vista system encrypted
I would like to introduce you to the method of the wireless router relay function. Many people may not understand the function of the wireless router relay function. It does not matter. After reading this article, you will certainly have a lot of GAINS to make your signal stronger.
Use the wireless router relay function to improve
wireless network adapter ). ESSID is used to distinguish different wireless networks. Normally, only wireless sites with the same ESSID can communicate with each other unless you want to listen to the wireless
wireless network SSID name or some other settings are incorrect, the wireless network adapter may not be able to accurately find the wireless router in the LAN; when checking wireless
mode of my wireless network adapter to Monitor (here you should check whether your network adapter supports the monitor mode)
Okay, I used iwconfig eth0 (Wireless Network Card Name) mo
greatly enhanced; WPA enhances the algorithm for generating encryption keys, even if hackers collect and parse group information, it is almost impossible to calculate a general key. The emergence of WPA makes network transmission more secure and reliable.
Wireless Network Security Settings 3: SSID Broadcast
In short, the SSID is the name you give your
If you want external devices to access the local website, use the network cable to access the network connected by the route. if you want to ask a non-wireless network adapter, the local server will be connected by a wireless
A loop problem occurs in the use of wireless networks. Where is the problem? Who is the culprit? The author of this article gives you a detailed description of how to set up your own experience.
Unit A subnet has been working normally, but I found that workstations in subnet A recently cannot access the LAN server. After some careful checks, I can see that the new switch devices in subnet A are often unable to connect to the core switches in the LAN.
ignored by the wireless network adapter because no SSID broadcast is performed, especially when you use Windows XP to manage the wireless network, the goal is to keep wireless networks invisible. However, disabling the SSID will
still meet the needs. You do not have to design placement. So I fixed the AP on the floor.
Configure the AP during installation and configuration of hp Wireless Network
After the AP driver is installed, you must first enter the AP's administrator password SSID. SSID is a required identifier for different wireless networks. It is mainly used to distinguish signal
C # obtain the MAC address
Method 1: Use managementclass
String Strmac = "";Managementclass MC = new managementclass ("win32_networkadapterconfiguration ");Managementobjectcollection MOC = mc. getinstances ();Foreach (managementobject MOC in MoC){
If (MOC ["ipenabled"]. tostring () = "true "){Strmac = MOC ["macaddress"]. tostring ();}}
Method 2: Use networkinterface
String Strmac = "";Networkinterface [] fnetworkinterfaces = networkinterface. getallnetworkinterfaces ();Fo
general key. The emergence of WPA makes network transmission more secure and reliable.
Wireless Network Security Settings 3: SSID Broadcast
In short, the SSID is the name you give your wireless network. When searching for a wireless
wireless signal. If the connection speed and signal strength are still unsatisfactory, you need to check the stability from the wireless router. The most common method is to download the latest patch package or firmware driver on the official homepage of wireless product manufacturers.
The upgrade method is particularly effective when the
This affects at least the e6410 series computers, or any other model that uses this Nic on Dell.
My e6410 is already the second time when the wireless network card cannot work normally.
The last time the driver was reinstalled, it was useless to reinstall the driver,
I have to check the model of this Nic, and check whether the driver I have installed is correct.
Also learned to use command line
SC quer
, the wireless adapter will automatically search for nearby wireless APs, A wireless signal icon is displayed in the task bar to indicate the signal strength of the Wireless AP (like the mobile phone signal)
Figure 4
Double-click the signal icon, such as, the content i
manufacturers.
The upgrade method is particularly effective when the wireless router signal is unstable or the wireless network card is automatically dropped every few minutes.
(3) wireless network stability-wireless
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