Telecom broadband can t connect to the Internet, what does the error message mean is 678?

Mistake. First of all, check whether the network card driver is installed on the computer, whether the network card is disabled, and whether the network cable is connected to the computer. Make sure that your computer is connected to the modem to dial the number, if you are connected to the router and dial the number, otherwise it will definitely be an error.

If you confirm that all of the above conditions are normal, continue to check whether the working indicator of the modem is normal

a=adsl access=: see if the (data, dsl, adsl, link) lights of the adsl cat are always on? If it flashes, you need to check whether the ** line on the cat is connected, confirm that the line is connected correctly, please report for repair.

b=Optical fiber access=: See whether the optical signal or LOS lights up red, whether the network G light flashes, if the red light or flashes is a network problem, please report for repair directly.

c=No modem is a problem caused by directly plugging in the network cable to the Internet, which is a problem with the uplink device or the network cable is directly repaired.

China Telecom dials 10000, China Unicom dials 100010, and China Mobile dials 10086

Error 678 means that the network is unreachable and the remote server cannot be found.

The network power is not plugged in properly, or it is loose.

678 is that there is no signal, you can call his customer service.

The error of Telecom Broadband 678 means that PPPoE dial-up Internet users often encounter a fault prompt that the network is not working.

There are many reasons for the error 678 report. Error 678 can occur in any link below DSLAM. For example:

Error 678 may be caused by DSLAM device problems, user board problems, handover box problems, trunk cable problems, distribution cable problems, user line problems, user modem problems, user computer network card problems, user computer system problems, etc.

Error 678 indicates that the remote computer is unresponsive, which simply means that the network is unavailable.

Error **678 Cause Analysis:

1. Network cable problems;

Broadband Internet display "error 678", it is due to modem damage, network cable, network card poor contact, ** line obstruction and other reasons, if there is a router, it is recommended that you can first power off and restart, if it is still not available, it is recommended that you remove the router, check whether the modem signal light is normal:

1. If it is normal, please try to restart the network card, unplug the network cable, and restart the modem;

2. If it is not normal, please try to unplug the ** cable, restart the modem, check whether the separator is connected correctly and unplug the above cable.

Dear Telecom users, Hello!

Refer to the web page of the web hall **:

If you need to order a telecom version of the mobile phone, please log in to the Anhui Telecom Tianyi store, iPhone, Samsung, Xiaomi and other hundreds of mobile phones are low prices on the whole network, and now go to the network hall to pay the fee and enjoy the discount of 50 yuan for 2 yuan.

The line is not passable, give 10,000 ** repair.