In the meantime, get one of the alternatives
A Diagnostic tool provided by Dell for theirs Conexant Modems.
Virtual Serial Port Driver allows creating virtual serial port pairs on a PC.
This is a pack with drivers for Qualcomm Gobi 2000 HS-USB Modem 9205.
This is a digitizer driver update package for Touch version Portege M700 models.
Harvlion Modem package installs the latest drivers for your device.