Ethernet Controller Driver Windows 7 64 Bit Toshiba Satellite C855d
Ethernet Controller Driver Windows 7 32 Bit Toshiba Satellite C855
The Official Toshiba Support Website provides support for Satellite C855D-S5320. Portege Tecra dynaEdge Find a Laptop Build a. Look under Windows edition for the version and edition of Windows that your PC is running. Right Click on network Controller and properties>detail tab>property>change device description to Hardware device. 
Realtek LAN Driver for drivers for Windows 7 (32-bit and 64-bit) - ThinkCentre A70z. I recently purchased a Toshiba Satellite C55d c5251 with windows 10 preinstalled but the wifi drivers do not support hosted.
Windows 7 drivers are available from the Toshiba website for the C855D series, and Toshiba is in fact the only place you should download drivers from for a Toshiba laptop. If you live in Europe, the easiest way to find drivers for your exact model is to type it's serial number on this page: (The serial number is printed on a sticker on the base of the laptop) Hi, followed your instructions and went into Toshiba website but couldn't find a display driver of my graphics card to windows 7, does that mean I cannot downgrade thiws laptop to windows 7?
I bought a Toshiba Satellite P755D recently and installed Windows 7 Professional on the machine. It runs great. But I noticed the exclamation point in the yellow triangle icon in the Device Manager next to the Universal Serial Buss (USB) Controller (I'm assuming this is the USB 3.0 controller because mine doesn't recognize devices).
Normally, when this kind of thing happens I go to the manufacturer's website and download appropriate drivers and call it a day. But not this time. I browsed to my model and found no driver for the USB 3.0 controller. I tried other HW and Utility drivers, thinking they would be bundled. I tried looking up the motherboard in my machine. Flash memory toolkit free download full version.
Generic name, no luck. I then called Toshiba technical support and they tried basic troubleshooting, eg, uninstall device, reboot, for auto-installation; no luck. I popped the Windows 7 disk back in and tried to get information that way, no luck.
Finally, the technical support guy said he would look into the engineer's system to see if there was a specific driver available and that's where I'm. The technician told me that these USB 3.0 drivers come within the native driver pack in windows but that doesn't seem to be the case.