The network card at home is dead, what should I do? . . .

If the broadband network speed is slow, the reasons include: software, system viruses, the impact of using routers, and aging lines.

You can analyze the processing according to the type:

2.Log in to the game: It is recommended to use the China Unicom server area.

4.To check whether the firewall is set correctly, we recommend that you disable the firewall test.

5.If there is a virus in the computer, it is recommended to check for viruses.

6.The extension is installed, the connection route is connected, and a single-wire connection attempt is recommended.

7.Network congestion during peak hours, it is recommended to avoid using it during peak hours.

8.You can optionally change the duplex mode of the NIC.

First of all, determine what kind of network you have connected to your home? Telecom first, followed by Unicom, followed by don't choose; Secondly, determine how many megabytes of broadband your home has? Generally, the higher the better, 10m is not a little faster than 5m, in addition, there is a parameter to pay attention to is that the uplink broadband and **broadband must be equivalent, some operators will do some articles here, and finally update your computer's network card driver, enter the router 192 168 1 1 is generally this, after testing the network speed OK, if you want to speed up the other connections are all cut off and leave only your own, in addition, if it is wifi, pay attention to the password must add a symbol, for example?

Wait, it's not easy to crack this way.

1. The location of the wireless equipment is incorrect, generally speaking, the wireless router should be placed in the middle of the whole room, whether it is signal coverage or transmission speed, you can get the best effect.

Because the signal of the wireless transmitting antenna on the router is a circular range, if the wireless router is placed in a corner of the whole room, it is equivalent to wasting half of the space in vain, which naturally seriously affects the coverage of the wireless signal, and the range of the wireless network has also changed from the default entire circle to half a circle, which greatly reduces the wireless performance.

2. In addition, there will be many corners of the wall in the room where you are located, and each corner will affect the transmission of wireless signals, so you should try to avoid corners when designing wireless networks and equipment placement. This coincides with the previous discussion of placing wireless devices in the middle of the room, and the two are the same.

3. The wireless router itself is unstable, in this case, you can put the computer and other Internet equipment as close as possible to the wireless router, or take the wireless router to the PC with a wireless network card near it, reduce the distance to check the stability of the wireless signal.

4. If the connection speed and signal strength are still not ideal, you need to start with the wireless router to check the stability, the most common way is to go to the official homepage of the wireless product manufacturer to ** the latest patch package or firmware driver. The upgrade driver method is especially effective when the signal of the wireless router is unstable or the wireless network card automatically drops every few minutes.

5. The wireless network card itself is unstable, if your computer is using a wireless network card to access the Internet, it may be that the current wireless Jingyin network card driver needs to be updated, you can install the latest driver according to the brand model to the official website.

6. When two computers in a wireless network or a wired network are transmitting data, if the network card of one computer is set to simplex or the transmission speed is 10m, and the network card of the other computer is duplex or the transmission speed is 100m, then the two network cards frequently negotiate the connection speed and working mode and cannot transmit normally or frequently disconnect.

Some users may set the transmission speed of 54M on the wireless router, but their wireless network card only has a transmission speed of 11M, at this time, the two will negotiate the working frequency and mode, resulting in slow or unstable connection speed.

1. Directly connect the computer and modem with a network cable, dial the Internet, if the Internet is normal, then there is no problem with the line and modem, if it is the same, then contact the broadband ** business, and ask for door-to-door maintenance.

2. Initialize the router, and then reset it, if it is still the same, find a router to replace, if it is normal after replacement, it proves that the router has a problem and needs to be repaired.

1.Try to disconnect your phone, tablet, computer wifi

2.The optical modem and router are powered off.

3.Power on, reconnect to wifi, and check how fast the internet is?

4.If the network card is still terrible, you have to check:

1.Whether the mobile phone number associated with broadband is in arrears.

2.The antenna of the router is adjusted appropriately in position.

3.If the router is old, replace it with a strengthened one.

4.**Notify the operator if there is a problem with the door-to-door service maintenance line!

Note: As a last resort, the fourth article is best not to use!

If you were able to access the Internet just now, and suddenly you can't access the Internet normally, then there may be a problem with the backbone network, not necessarily your computer, you can try again after a while. The above is my personal experience for reference.

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There are several reasons why broadband internet is slow:

1. If the bandwidth of the ** server is narrow or the server is busy, you can try to change the time period to access or access other** to determine whether this problem is caused; Sail stockings.

2. Computer reasons such as low computer configuration or weak system processing power;

Fourth, the use of routers to share the upper code state network will also lead to slow network speed;

5. If the modem device is unstable, it is recommended that you replace the modem device for testing;

6. Line reasons (such as long line, noisy line, poor quality of the entrance line, change of the user-side line, etc.).

If this is not the case, you can contact the local customer service for feedback.

If the problem of the virus is ruled out, then it may be a problem with the weather, because if the machine is overheated, it will reduce the frequency to achieve the purpose of cooling the source of the game, the speed of the machine is slowed down, and the speed of your opening of the web page will be slower, and it may be that the network is not very stable in maintenance, if this is the case, it will be good to laugh at the oak after a few days!

The solution to the crash when plugged into the network cable.

1. If the network card slot is problematic, change the network card slot

2. If you use ADSL to surf the Internet, please check whether there is a short circuit between the network cable and the ** line. Check the junction box first, and then check elsewhere if it's okay

3. If there is a problem with the hardware of the network card, change the network card or check the network cable.

4. If there is a problem with the network protocol, you can install the network protocol.

You can take a look at the task manager first, what programs in it occupy more, because there may be automatic updates in the background after the computer is connected to the Internet.

You can take a look at using 360 Security Guard to check your internet speed.