Satellite C850-1KN - Windows 8.1 Freeze

Hi,
I have tried the search function but cannot find the help I require.
My Satellite C850-1KN (windows 8.1) has been freezing a lot recently but I am still able to use the mouse pointer, CTRL + ALT + DEL has no effect and the computer won't do anything, I am forced to shut it down via keeping my finger on the power button or taking out the battery.
I have ran a SFC /scannow check and receive the following:-
"Windows Resource Protection found corrupt files but was unable to fix some of them..."
Please find the log in the following post
Sometimes the screen also stays black and will not respond to any inputs, this appears to be happening more and more. If any one can help it would be greatly appreciated.
Windows Event viewer shows 2 critical failures at the time of the last incident, both of which are Kernal-Power and refer to not shutting down cleanly (obviously because I have had to keep my finger on the button).
There are a few "Errors" in the log, the most surprising of which is the Microsoft Bing News app which logged just before the incident, could this be the cause of trouble?
Thanks in advance

Your notebook was delivered with Win8 so I presume you have updated it to Win8.1 version.
Have you updated your machine following Toshiba instructions?
To be honest it is not easy to answer such questions and say for sure what the problem is.
If you have this issue since few days only I recommend you to roll back OS to earlier time using system restore tool just to see if the problem persist or not.
How to do this you can read on http://aps2.toshiba-tro.de/kb0/TSB2A03ES0000R01.htm
Do at as first step please and post some feedback.
By the way: have you created recovery disc before you have installed Win8.1 update?

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Have tried burning using Itunes, Nero and Windows Media player, all with the same result.
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Any help with this would be much appreciated.
Thanks

Hi
Are you able to create data CDs or DVDs?
I guess you tried to write music data (possibly mp3, mp4 files) on a CD but try to write simple document files on a DVD or CD.
Ensure also that the write session has been closed after finishing the disk burning.
Another tip:
I would also recommend testing disks from another and different manufacturers.
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First of all you should know that the setting (CSM/UEFI mode) needs to be changed only if you want to install non-UEFI capable system (Win 7 and older).
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Quite good track.
The UEFI mode was ON in the BIOS. To remove it:
Starting the PC with [F2]
Advanced / System configuration / Starting mode: CSM rather than UEFI.
Typing a password for the superuser (otherwise, anybody controls your PC by BIOS access)
[F10] to exit and save the parameters
And never, never forget the password.
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2nd generation Intel(R) Core(TM) i3 processor
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Message was edited by: Bob001_1

Hi
As you said, the notebook was equipped with the Intel Celeron processor B830
This CPU supports the Intel HD graphic chip as mentioned on the Intel ARK page:
http://ark.intel.com/de/products/71141
The driver can be downloaded also from Intel page:
https://downloadcenter.intel.com/
Here choose:
-Graphics drivers
-Laptop graphics drivers
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Reinstall the the Toshiba System Driver
[Toshiba System Driver v1.00.0015|http://www.toshiba.eu/innovation/download_driver_details.jsp?service=EU&selCategory =2&selFamily=2&selSeries=312&selProduct=7499&selSh ortMod=null&language=13&selOS=40&selType=all&yearu pload=&monthupload=&dayupload=&useDate=null&mode=a llMachines&search=&action=search&macId=&country=al l&selectedLanguage=13&type=all&page=3&ID=84513&OSI D=40&driverLanguage=42]
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[How to access Recovery, Restore and Reset Options in Windows 8|http://www.mytoshiba.com.au/support/items/faq/776]
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*File:\ BCD*
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Further to my question, *I have now resolved the issue.*
Thanks to phanlon7 on this link
[http://answers.microsoft.com/en-us/windows/forum/windows_8-system/windows-crash-refresh-hard-drive-locked-unlock/a6bb04ff-5dba-4e10-a849-644cd0851bc6?page=2&rtAction=1390385080363]
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Hi
First of all: you are right: the Satellite C850-B906 supports Bluetooth
http://www.toshibamea.com/CSPDF/Satellite_C850-B906-52424.pdf?ran=4qmi69d8z1
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Hi
Are you able to access the BIOS?
Power up the unit and press F2. This should allow you to access the BIOS.
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[Card Reader Controller v 6.1.8400.30136 Windows 8.1 - 64 Bit|http://www.toshiba.eu/innovation/download_driver_details.jsp?service=EU&selCategory =2&selFamily=2&selSeries=312&selProduct=7499&selSh ortMod=3417&language=13&selOS=all&selType=316&year upload=&monthupload=&dayupload=&useDate=null&mode= allMachines&search=&action=search&macId=&country=a ll&selectedLanguage=13&type=316&page=1&ID=88526&OS ID=46&driverLanguage=42]

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Thanks

To be honest you have big problem. Please don't understand me wrong but I don't understand why you don't read users manuals document and pick up some info about your product. There is clearly described that original recovery image is saved on HDD and you can reinstall it using recovery option.
There s also option to create recovery media. It can be DVD or USB. This recovery media can be used if there is some problem with HDD recovery installation or HDD itself. Now you have really big problem. I presume you didnt create this recovery media and after Win7 installation you don't have factory settings anymore and HDD recovery installation is not possible anymore.
If you want to have original Win8 version for your notebook you must order original recovery disc. It can be ordered on https://backupmedia.toshiba.eu/landing.aspx
Bye and good luck

Satellite C850-1KN - Windows 8.1 Freeze

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