acpi-modules-9.0-2-486-di software package provides ACPI support modules, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install acpi-modules-9.0-2-486-di
acpi-modules-9.0-2-486-di is installed in your system.
Make ensure the acpi-modules-9.0-2-486-di package were installed using the commands given below,
$ sudo dpkg-query -l | grep acpi-modules-9.0-2-486-di *
You will get with acpi-modules-9.0-2-486-di package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | debian-installer udeb packages |
| Package | acpi-modules-9.0-2-486-di |
| Version | 9.0-10+deb70.10 |
| Description | ACPI support modules |
| Sub Section | Debian-installer |