Small Home LAN Problem 10

It has nothing to do with the installation system, since the system prompts that the network cable is not plugged in, it means that there is a problem with the network cable. Detection method: unplug the network cable at the end of the network card and connect it to the socket of the router, see if the indicator light is flashing, if it flashes, it means that your network cable is not plugged in before the detection, and the crystal head at the 2nd end of the network cable is plugged in again, if it does not flash, simply cut off the crystal head and redo the head.

Additional question: You connect the machine that can't access the Internet directly to the big cat to see if it can access the Internet. If it's okay, it means that your network cable is not in good contact.

I've come across it too. It should be an issue with the interface.

When changing the hard disk, the network card is passive, re-insert and unplug the network card in the machine, and check the connectors of each network cable can generally solve the problem (re-plug and unplug once).

I think, did you install the network card driver of that machine after reinstalling the system?

In general, the Windows installation disk does not come with its own driver. (The exception is Computer City and Ghost Discs.) )

It is recommended to install your own network card driver. If in"Device Manager"can be seen in"Network adapter", or if you can see it but have an exclamation mark, it means that there is a problem with the NIC driver. If you have an exclamation mark or question mark or something, simply remove it and reinstall it.

If you can't even see it, you have to install it, if you don't even have a network card driver, how can you connect to the LAN? Not to mention access to the Internet.

I'll answer.

1. LAN refers to a computer group interconnected by multiple computers in a certain area. Generally, it is within a radius of several thousand meters. LAN enables functions such as file management, application software sharing, printer sharing, scheduling within workgroups, e-mail and fax communication services, and more.

A LAN is closed and can consist of two computers in an office or thousands of computers in a company.

It can be composed of a number of network cables connected to a number of computers and then controlled by a router to access the Internet, and the purpose of using a switch is to increase the port of the router.

2. The router can replace the switch and exercise the switch function.

3. Totolink PoE Box is a power supply module, generally the length of the network cable will be about 100 meters when the signal attenuation will occur, so to add a switch or router, but the switch and router need power supply, often the power supply is difficult to arrange, so use this Totolink PoE Box can make the switch or router of this line work without external power supply.

Do you understand?

1. Understand the right one.

2. The router can be used as a switch.

3. It can be said that the connected devices do not need additional power supply.

Analysis: According to your connection, the laptop IP and the mobile phone IP are in 2 different network segments, respectively and so the IP conflict should not occur.

First of all, please confirm whether the status of the landlord is true, if so, it may be due to the following reasons:

1: There is an ARP virus in the LAN built by your home, please check and kill it once.

3: There is a problem with the router.

4: This situation is something that I have also found but cannot explain and solve: I can use my home mobile phone to access the Internet, a mobile phone and a computer can also access the Internet, and 2 computers can also access the Internet, but if it is 2 computers and 1 mobile phone to access the Internet at the same time, the router will restart.

I can't explain it myself, I can't find the reason, I can only say that my phone 4s conflicts with a certain system. So it is possible that the situation at home is the same as mine, if your mobile phone is Apple 4s.

Your laptop manually sets the IP address of the wireless network card and sets it back so that it doesn't affect the phone.

1> A simple wireless LAN can have a wireless route, and if you want to access the Internet, you need to consider the cat, broadband costs, etc.

2> Wireless routing is sold in many online e-commerce, such as Jingdong and the like, or local electronic goods**, similar to Zhongguancun; If you use it at home, it is recommended to use the tp-link router, the UI is more friendly and easy to set up. As for how much power, it is necessary to consider the area you want to cover, generally speaking, 150m-300m is enough to cover a 120-square-meter house.

3> The formation is very tolerant, there are instructions for use in the manual, and there are instructions on the Internet.

4> Once the formation is complete, there is no additional cost, except for your internet fee.

5> As long as your mobile phone and tablet have the wifi function, you can access the wireless router and use the Internet wirelessly (during this period, 2G and 3G traffic will not be used).

6> Laptops connect to the Internet through their own wireless network card connection, and there are external wireless network cards on the market that can be used by desktop for wireless Internet access.

Just buy a wireless router;

Generally, computer consumables are sold in places where they are sold; It's good to buy Mercury and TP-link;

Of course, you can do it yourself, and the online steps are very complete;

The cost depends on how you use the router to calculate the money, some only count one, and some count a few devices;

After the construction is completed, the mobile phone and tablet can be connected;

The answer is yes, of course; But the signal may not be the same in different places, so install the wireless router in a place where you can receive the signal well!

It is sold in some digital product stores. Something that looks like a router has an antenna-like vertical thing on top of it. No need to build, it's simple.

You can do it yourself. You should pay the same fee as before. Both are connected to wifi.

Laptops are available on wifi.