Satellite L50-A00V Notebook missing compatible High Def Audio Device Driver

Hi
I bought a Toshiba Satellite 15.6" L50-A00V Notebook
Features
PROCESSOR: 2.4GHz Intel Core i7-4700MQ Quad Core Processor
SCREEN SIZE: 15.6" Display
RAM: 8GB RAM
HDD: 750GB HDD
GRAPHICS: nVIDIA GeForce GT 740M 2GB With Optimus + Intel HD 4600 Graphics
OS: Genuine Windows 8 (64Bit)
Bluetooth: Toshiba Bluetooth V4.0 (High Speed)
LAN: 1Gbps LAN
Wireless Connectivity: Intel 802.11 b?g?n
Connector: HDMI?USB3.0
Running windows 8 now upgraded to 8.1
since the minute I brought this notebook home a couple days ago its had driver issues and toshiba service station was nothing but a PITA it did work and nor did any of the other bloated software that came with it.. later when upgrading to 8.1 hoping that would fix a few probs, it made my driver situation worse..
anyways i have removed everything via a clean install (but left the recovery partitions etc for safe keep, and made a recover disc) anyways even after clean install i am still missing the High Definition Audio Device driver.. in device manager I get a exclamation mark next to it..
the other drivers that were missing i had downloaded their drivers from the manufacture and they all were fixed accept this driver.. i bekieve its a realtek driver, which I went to the site and their latest driver didnt help..
can anyone please help find a working driver please, im trying my best not to send it back, but if i cant get its drivers working, then the hell with it, im send it back monday morning and claiming a refund...
so please if anyone can save me the hassle of claiming a refund, i would really appreciate it..
thanks

Hi
The notebook seems to be released for Australian market.
I did not find the Win 8.1 drivers on the Toshiba Australian driver page but only Windows 8 drivers.
However, it seems that the sound card was made by Realtek and the Realtek HD audio manager should be installed.
Try this driver which was released on Toshiba EU driver page for the similar notebook models: [Realtek Semiconductor Corporation v 6.0.1.7023 Windows 8.1 - 64 Bit|http://www.toshiba.eu/innovation/download_driver_details.jsp?service=EU&selCategory =2&selFamily=2&selSeries=178&selProduct=7948&selSh ortMod=null&language=13&selOS=46&selType=all&yearu pload=&monthupload=&dayupload=&useDate=null&mode=a llMachines&search=&action=search&macId=&country=al l&selectedLanguage=13&type=all&page=2&ID=88586&OSI D=46&driverLanguage=42]
Generally speaking I would recommend you to download and to install the common Windows 8.1 64bit drivers from the Toshiba EU driver page because such drivers are missing on Australian driver website.
Would recommend you to install the Intel chipset driver as well as the nVidia driver because the HD audio can be related to the nVidia graphic chip too.

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