|READ the directions for the installation of the modem ! |
Is it a standalone high speed modem, or a combo router / high speed modem ?
I'm assuming it's the former in the following.
If it's a high speed modem that's not a small USB adapter, if it has both a USB port and a network port, you don't necessarily have to plug in a USB connection because it's also got a network port / cable connection and the latter does not require you install any drivers.
E.g. Some cable high speed modems have both a USB and a wired (RJ45) network port.
A high speed modem does NOT appear in Device Manager if it is connected via a network cable.
If the high speed modem has both a USB port and a network port, you can use one or the other type of connection, you don't need to connect both.
If the "drivers" have already been installed, Windows will auto load them when you plug the device into a USB port.
If you want to change the drivers.....
- go to Control Panel - Add Remove Programs to see if drivers or any software for the device are listed - if you see that, un-install that.
DO NOT install drivers for the device if Windows finds New Hardware related to the device - CANCEL that.
Go into Device Manager
(e.g. RIGHT click on My Computer - Properties - Hardware - Device Manager)
Open up the Network adapters and if the device is listed, RIGHT click on it and choose Un-install. Sometimes it takes a while for that to complete.
Shut down the computer.
If the instructions for the device tell you it's not supposed to be plugged into USB until you have installed drivers for it, unplug it from the USB port.
If you don't know, unplug it.
Boot the computer.
(If it's still plugged in, DO NOT install drivers for the device if Windows finds New Hardware related to the device - CANCEL that.)
Install the "drivers" software by using the proper installation file in Windows itself, after the desktop screen has loaded.
If the software does not find a suitable device because the USB connection to the device has to be plugged in order to install any software at all, quit the installation, plug it in, start the installation again (sometimes you need to reboot first). .
Otherwise, install the software first - you may be prompted to plug in the device after some of the software has been installed then it installs more, or only after you have installed the software and have re-booted.