control panel \ system \ hardware \ device manager
Expand the modem area, right click your modem to bring up the
properties. In the power management area, clear "allow this device to
bring the computer out of standby".
Apply and okay your way out.
Reboot.
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.