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If you are sure that your computer is not poisonous, you had better contact your broadband access provider, and when the connection is disconnected, you can ping your local DNS or find an IP address that can be ping, and you will know that the network is down
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1. Borrow a broadband cat from someone else to test it again to see if there is a problem with the cat itself.
2. Check whether the two ends of the network cable are not in good contact, especially the end away from the computer.
3. Replace the network connection line, there is a small possibility that the line itself is short-circuited (poor internal contact).
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ARP virus.
Or some people use the class four soft see.
The next frying knife book will get him.
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I have also encountered this problem, after you install the ARP firewall, does it show that you can receive a lot of broadcasts, but you can't receive non-broadcasts. Directly connect your computer to broadband, generally can access the Internet, generally this situation is a problem of the school network center, you can go to the network center to solve.
In addition, there are products on the stationmaster's group **, cheap ***.
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There are two reasons for this.
1: The signal provided by the communication provider is not good; Claim!
2: Aging line and poor contact; Repair!
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You are using the win7 system, right?,If the system configuration is relatively high,It's easy to have such a situation when connecting routes、、、 but most of them are not plugged in by network cables。 Adjust carefully.
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It could be an issue with the router.
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According to your description, your line is faulty, sometimes the password is wrong because you have connected too many times.
There are several reasons for the disconnection, in general, it is computer poisoning and line failure.
First of all, it is necessary to distinguish between computer failure and line failure.
When the connection is dropped, check whether the line light of the modem is flashing or solid, and see if the data light is normal.
When the line light flashes, it should be caused by damage to the line or modem, first check whether the crystal head at the joint is in good contact, whether there are signs of rust, whether there is loosening, and whether there are oxidation traces.
Secondly, look at whether there is a strong interference source near the computer, the transmission tower or something, these distances are too close to cause disconnection.
When the line light of the modem is normally on, check the call quality first, and whether the sound quality is clear and noise-free.
You can remove the separator and only connect the external cable to the modem to see if there is any droppage.
Newly bought Rongsheng.
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