I own a satellite c655. It came with Windows 7 Home Premium 64 bit. I clean installed Windows 8 Pro and all devices worked after the installation. I guess the hardware for some windows 8 machines is not backward compatible with previous windows versions with some OEMs. I would contact Toshiba for a definitive answer on that question.
How to Install Drivers without Internet Connection A clean install of Windows 7/8/10 can fix many problems, but to some users, it brings new problem: the Windows can't connect to internet because the Ethernet controller driver/network adapter driverismissing. But without internet, how are they supposed to download and install network adapter driver and other drivers? Windows 7: Install a driver for your network adapter??? Apr 15, 2019
Install device drivers for Windows 7 - optimizingpc.com
Driver Installation through the Device Manager Step 1: In the Start menu, right-click on Computer to select Manage. Step 2: On the left, select Device Manager to bring it up on the right. Note: If the Driver software has not installed correctly, the partially installed adapter will come up in the Other devices group. Just as it is shown in the previous image. Dell Latitude E6440 Windows 7 Driver Installation Guide Apr 22, 2020
Download Intel® Network Adapter Driver for Windows 7
How to Install Windows 7 Network Driver - Techniedges Jun 03, 2020