Satellite U840W PSU5XA - Win 8.1 installation and effective use of SSD

Hello.

IM in the hope of a solution to the two questions.
The second that I suspect is caused by the first.

Satellite U840W PSU5XA-001006

Has started getting the BSOD with various defects.
The most persistent has been IRQ LESS or not EQUAL - iaStorAV.sys

Many hours of research and I can't find a solution or post did the extension "AV" the iaStore.sys...

So I have provided zero factory (BSOD) issues have persisted.

So, I Clean installed Windows 8.1 directly above everything and removed all previous records.

I noticed that the system was not working all utility brand TOSHIBA factory etc. and seemed to be much slower. I suspected that this was caused because of the 32 GB used SSD as Cache has apparently been bi-passe and now everything worked strictly on the 500 GB HARD drive. I don't remember BSOD, but the system has been significantly slower on the start-up and performance.

(SIGH), I even once reset to factory settings, and it gave me back TOSHIBA utilities such as gas stations of the brand.

HOWEVER, the BSOD remained, and once the upgrade to windows 8.1 MAINTENANCE of files and settings, the iaStorAV.sys error is returned (specifically when closing lid in mode "standby") forcing the CRITICAL error and force the system to restart instead of awakening from sleep.

Note: Windows is a legitimate copy of MS, so it's not the question. More strange, it's that 8.1 installation had run at least 8 months no problem before sudden BSOD Page file and iaStorAV errors. Readings and messages have believe me MS Updates to bee the culprit here for the start of these issues.

I read a similar post regarding RAID CACHE PRIOR to 8.1 Windows Installer. My intuition tells me that these two can only be related. that is if windows was incorrectly installed RAID cache, CACHE is not in strored properly and causing BSOD. Im a beginner at this stuff, so be patient...

What I really want to know is, how now can I Factory Reset Windows 8, make it positive to the 32 GB is used as CACHE and help etc. fastboot, then pass safely to 8.1 Windows?

Any help would be greatly appreciated.

ATTEMPT of THINGS ALSO: TSRI and RAID re - install, memory (success), updated BIOS to 6.70, Diagnostic fast storage re-installed drivers

Thanks in advance,
Mr. frustrated...

iastorav.sys is part of the technology Intel Rapid Storage Technology driver.
The BSOD appears to be related to this pilot and is therefore the first step which I recommend: update the Intel rapid Storage Manager driver.
The latest version should be available on the Intel driver page.

If you use the Toshiba Recovery disk or the HARD drive recovery process, you will get the same system and State of the laptop computer as on the first day of purchase. In this case, the system must be configured correctly.

But if you have deleted or replaced the HDD / SSD in the past, then the RAID configuration is lost and must be rebuild with special tools / software and the procedure.
This can be done ONLY authorized by the service provider.

By the way: the upgrade to win 8 to 8.1 Win has been very well described in this Toshiba HowTo doc:
http://www.MyToshiba.com.au/support/items/how-to/823

Tags: Toshiba

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