Modem Service Defaults in Windows 7
Modem Device Driver by Microsoft Corporation.
Default Settings
| Startup type: | Manual |
| Display name: | Modem |
| Service name: | Modem |
| Service type: | kernel |
| Error control: | ignore |
| Group: | Extended base |
| Path: | %SystemRoot%\system32\drivers\modem.sys |
| Registry key: | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Modem |
Default Behavior
Modem is a kernel device driver. In Windows 7 it won't be started if the user doesn't start it. If Modem fails to load or initialize, Windows 7 startup continues without error messages. The failure details are being written into Event Log.
Restore Default Startup Configuration of Modem
1. Run the Command Prompt as an administrator.
2. Copy the command below, paste it into the command window and press ENTER:
sc config Modem start= demand
3. Close the command window and restart the computer.
The Modem service is using the modem.sys file that is located in the C:\Windows\system32\drivers directory. If the file is removed or corrupted, read this article to restore its original version from Windows 7 installation media.