Question about Dell Latitude C640 Notebook

After installing the modem it doesn't work

Dell latitude c640 it is not allowing me to install a modem the error after installation is that no device is installed for this driver. i have used it before i only formated the hard drive

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461 Answers

YOur PC do not detect the modem... try to ensure all connection is proper

Posted on Aug 30, 2007

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Disconnect the phone line from the modem and connect a normal phone to this phone line. Lift the handset and check it you have a dial tone and see if you can dial out.
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