2 replies
by caifax
by thechas
First off, Modem diagnostics only checks the computer side of the modem. Unless you use full diagnostic software with a loop-back plug, the test just cannot tell if the phone line side of the modem is working.
Does your modem have 2 phone jacks on it?
If so, start by swapping cables, or moving the phone line to the other cord.
Still doesn't work, try a new phone cord.
If that does not take care of the problem, odds are that the phone line side of the modem is bad.
I recommend installing USB external modems for anyone using a modem.
1. you don't have to open the computer case.
2. if the phone line gets a surge from a lightning storm, you only need to replace a $20 modem and not a $100 motherboard.
Chas
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