It is hard to find drivers for this model even in Toshiba support site. On Toshiba support site, most drivers released for Windows 7 and I also recommend to use windows 7 with this notebook. If you plan to use with windows XP and Windows 8 the drivers also on the list. Toshiba also provide windows 8 and 8.1 upgrade support for this model.
Notes:
1. What is 32-bit and 64-bit? Read Here
2. Please Install according to the order given.
3. If you plan to use Windows 8 or 8.1 With this model. Just download Toshiba Service Station and it will guide you through all Windows 8 and 8.1 drivers installation. Normally Windows 8 will install all drivers you need (except certain drivers such as card reader and touchpad) by using Windows automatic updates. In case you want to download and Install the drivers individually/offline installer. Here is the driver list:
Drivers
Chipset
Intel Chipset Installation Utility
Windows XP/Vista/7/8/8.1 : Download
Windows 7/8/8.1 (32-bit) : Download
Windows 7/8/8.1 (64-bit ) : Download
Storage:
Intel rapid Storage Technology Driver
Windows XP : Download
Windows 7/8/8.1 (32-bit) : Download
Windows 7/8/8.1 (64-bit ): Download
MEI
Intel Management Interface Driver
Windows XP : Download
Windows 7/8/8.1 (64-bit ) : Download
Windows 7/8/8.1 (64-bit ) : Download
Graphic- Intel:
Intel(R) HD Graphic 4000
Windows XP 32-bit : Download
Windows XP 64-bit : Download
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Windows 8 32-bit : Download
Windows 8 64-bit : Download
Graphic - AMD
AMD Graphic Drivers
Some models use AMD Graphic Driver.
(support latest AMD graphic for notebook c850 series et: HD 7610M)
Windows XP/7/8/8.1 : Download (latest Drivers from AMD)
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Notes: If you use latest drivers form AMD, during installation DO NOT select Express. Select Custom and select drivers only. DO NOT install Catalyst Software because it is not compatible with C850 model which uses switchable graphic. This rule also applied on vaio and Panasonic Models.
Audio
Realtek High Definition Audio Drivers
Windows XP : Download (Latest from Realtek)
Windows 7/8/8.1 (32-bit) : Download
Windows 7/8/8.1 (64-bit) : Download
HDMI
ATI HDMI Audio
(Only for model with AMD graphic!)
--Normally ATI installed this component automatically - -
Windows 32-bit : Download
Windows 64-bit : Download
SRS Audio
SRS Premium Sound HD (more info)
Windows XP (not applicable for win XP and win 8 but you can use TVS version): Read More
Windows 7/8/8.1 (32-bit) : Download
Windows 7/8/8.1 (64-bit) : Download
LAN - Ethernet
Realtek PCIe Fe Family Controller Driver
Windows XP and Windows 8/8.1: Download
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Touchpad
Synaptic Touchpad Driver
Windows XP and Windows 8/8.1 : Download
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Webcam
Toshiba Webcam Camera Application
Windows XP : Download
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Windows 8/8.1 : Download
Card Reader
Realtek USB 2.0 Card Reader Driver
Windows XP : Download
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Windows 8/8.1 : Download
USB 3.0
Intel USB 3.0 Driver
Windows XP : Automatic (Make sure BIOS is set to xHCI)
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Windows 8 : Automatic
Apps:
Toshiba Face Recognition Utility
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Bluetooth - Realtek
Realtek Bluetooth Driver Filter Package
Windows XP : Download
Windows 7/8/8.1 (32-bit) : Download
Windows 7/8/8.1 (32-bit) : Download
Bluetooth - Atheros
Atheros Bluetooth Driver Filter Package
Windows XP : Download
Windows 7/8/8.1 (32-bit) : Download
Windows 7/8/8.1 (32-bit) : Download
If you need application to minotor your bluetooth:
Download (32-bit) Download (64-bit)
Wireless:
There are 3 wireless variant for this model, choose ase on your specification. Example C850-B190 uses Realtek Wireless drivers.
Realtek RTL8723AE Wireless LAN driver
Windows XP : Download
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Windows 8/8.1 : Use windows 7 drivers
Atheros Wireless LAN driver
Windows XP : Download
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Windows 8/8.1 : Use windows 7 drivers
Intel Wireless LAN driver
Windows XP : Download
Windows 7 32-bit : Download
Windows7 64-bit : Download
Windows 8/8.1 : Download
Note before upgrading into windows 8:
1. Install all drivers if you make a clean install of windows 8/8.1.
2. If you upgrade Windows 7 to windows 8, uninstall the following first before the upgrade process.:
Audio Issue in windows XP:
1. If the drivers I provided for windows XP didn't work, you need to uninstall it first.
2. Download and Install this driver : Download
3.If the still no sound uninstall it again.
4. Go to control Panel, device manager, system devices and uninstall microsoft uaa hd audio driver [there will be 2 entries] - right click on it and select uninstall, the install the latest driver I provided on the link above and restart.
Notes:
1. What is 32-bit and 64-bit? Read Here
2. Please Install according to the order given.
3. If you plan to use Windows 8 or 8.1 With this model. Just download Toshiba Service Station and it will guide you through all Windows 8 and 8.1 drivers installation. Normally Windows 8 will install all drivers you need (except certain drivers such as card reader and touchpad) by using Windows automatic updates. In case you want to download and Install the drivers individually/offline installer. Here is the driver list:
Drivers
Chipset
Intel Chipset Installation Utility
Windows XP/Vista/7/8/8.1 : Download
Windows 7/8/8.1 (32-bit) : Download
Windows 7/8/8.1 (64-bit ) : Download
Storage:
Intel rapid Storage Technology Driver
Windows XP : Download
Windows 7/8/8.1 (32-bit) : Download
Windows 7/8/8.1 (64-bit ): Download
MEI
Intel Management Interface Driver
Windows XP : Download
Windows 7/8/8.1 (64-bit ) : Download
Windows 7/8/8.1 (64-bit ) : Download
Graphic- Intel:
Intel(R) HD Graphic 4000
Windows XP 32-bit : Download
Windows XP 64-bit : Download
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Windows 8 32-bit : Download
Windows 8 64-bit : Download
Graphic - AMD
AMD Graphic Drivers
Some models use AMD Graphic Driver.
(support latest AMD graphic for notebook c850 series et: HD 7610M)
Windows XP/7/8/8.1 : Download (latest Drivers from AMD)
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Notes: If you use latest drivers form AMD, during installation DO NOT select Express. Select Custom and select drivers only. DO NOT install Catalyst Software because it is not compatible with C850 model which uses switchable graphic. This rule also applied on vaio and Panasonic Models.
Audio
Realtek High Definition Audio Drivers
Windows XP : Download (Latest from Realtek)
Windows 7/8/8.1 (32-bit) : Download
Windows 7/8/8.1 (64-bit) : Download
HDMI
ATI HDMI Audio
(Only for model with AMD graphic!)
--Normally ATI installed this component automatically - -
Windows 32-bit : Download
Windows 64-bit : Download
SRS Audio
SRS Premium Sound HD (more info)
Windows XP (not applicable for win XP and win 8 but you can use TVS version): Read More
Windows 7/8/8.1 (32-bit) : Download
Windows 7/8/8.1 (64-bit) : Download
LAN - Ethernet
Realtek PCIe Fe Family Controller Driver
Windows XP and Windows 8/8.1: Download
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Touchpad
Synaptic Touchpad Driver
Windows XP and Windows 8/8.1 : Download
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Webcam
Toshiba Webcam Camera Application
Windows XP : Download
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Windows 8/8.1 : Download
Card Reader
Realtek USB 2.0 Card Reader Driver
Windows XP : Download
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Windows 8/8.1 : Download
USB 3.0
Intel USB 3.0 Driver
Windows XP : Automatic (Make sure BIOS is set to xHCI)
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Windows 8 : Automatic
Apps:
Toshiba Face Recognition Utility
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Bluetooth - Realtek
Realtek Bluetooth Driver Filter Package
Windows XP : Download
Windows 7/8/8.1 (32-bit) : Download
Windows 7/8/8.1 (32-bit) : Download
Bluetooth - Atheros
Atheros Bluetooth Driver Filter Package
Windows XP : Download
Windows 7/8/8.1 (32-bit) : Download
Windows 7/8/8.1 (32-bit) : Download
If you need application to minotor your bluetooth:
Download (32-bit) Download (64-bit)
Wireless:
There are 3 wireless variant for this model, choose ase on your specification. Example C850-B190 uses Realtek Wireless drivers.
Realtek RTL8723AE Wireless LAN driver
Windows XP : Download
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Windows 8/8.1 : Use windows 7 drivers
Atheros Wireless LAN driver
Windows XP : Download
Windows 7 32-bit : Download
Windows 7 64-bit : Download
Windows 8/8.1 : Use windows 7 drivers
Intel Wireless LAN driver
Windows XP : Download
Windows 7 32-bit : Download
Windows7 64-bit : Download
Windows 8/8.1 : Download
Note before upgrading into windows 8:
1. Install all drivers if you make a clean install of windows 8/8.1.
2. If you upgrade Windows 7 to windows 8, uninstall the following first before the upgrade process.:
- USB 3.0
- Intel PROSet
- Intel Wireless Display
- Realtek Audio driver
- TOSHIBA PC Health Monitor
- Realtek WLAN Driver
- Realtek Bluetooth Filter Driver Package
Audio Issue in windows XP:
1. If the drivers I provided for windows XP didn't work, you need to uninstall it first.
2. Download and Install this driver : Download
3.If the still no sound uninstall it again.
4. Go to control Panel, device manager, system devices and uninstall microsoft uaa hd audio driver [there will be 2 entries] - right click on it and select uninstall, the install the latest driver I provided on the link above and restart.