As a newbie, the easiest way would be to switch the modem off then reboot. Kudzu should detect the absence of the modem and then ask if you want to keep the configuration of remove it. Select remove the configuration.
When you've booted up, you probably should remove the entry in network devices as well - just to be thorough.
Then switch the modem on and reboot. Kudzu now detects the presence of new hardware and will ask you if you want to configure it. Say you do... then, once booted, set up the modem normally.
The only other trouble you're likely to have is if /dev/modem is set to the wrong device... my guess is that /dev/modem is a symbolic link to /dev/ttyS0 ... if your modem is on /dev/ttyS1 (or 2 or 3) then you will, of course, not find your modem on /dev/modem and so get an error message to that effect.
To locate your modem under linux, do the following in terminal:
echo "atdt5552224" > /dev/ttyS0
("echo" sends the string enclosed by quotes to some output - standard-out unless otherwise specified. The ">" will send the string to the device which follows, in this case /dev/ttyS0 which is hopefully your modem. The string in quotes is atdt - which tells the modem to pick up and dial and the numbers that follow are a nonsence, but illuminated, phone number.)
you should hear the modem pick up and dial. If not, make sure the speaker is turned on with
echo "atv" > /dev/ttyS0
then try again. Still nothing, then your modem is not on /dev/ttyS0 so try /dev/ttyS1 through 3 until you find it. To hang up the modem, type:
echo "atz" > /dev/ttyS0
(or S1 or 2 or 3 dpending on where you found it - or just switch the modem off!)
Then you will want to check that the symbolic link /dev/modem points to the right place. (Use gnome - or whatever - to enter /dev and right-click /dev/modem to select "properties" is probably easiest for a
newbie)
If it is not correct then you should delete it and create a new link with the same name which points to the correct place. Then you'll be fine.
detail included just in case.
Simon
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