daily BSOD, iastor.sys, error 0x1000007E

Please uninstall everything of Nvidia using Display Driver Uninstaller and install new drivers from Nvidia. Be sure the clean install box is checked and only install the Graphics driver and the PhysX driver, you can use this tutorial to do so NVIDIA Drivers - Avoid Problems
Attachment 392442

Code:

4: kd> lmvm nvlddmkm
Browse full module list
start             end                 module name
fffff880`0f41e000 fffff880`101ff000   nvlddmkm T (no symbols)           
    Loaded symbol image file: nvlddmkm.sys
    Image path: \SystemRoot\system32\DRIVERS\nvlddmkm.sys
    Image name: nvlddmkm.sys
    Browse all global symbols  functions  data
    Timestamp:        Wed Jul 11 18:04:47 2012 (4FFDA41F)
    CheckSum:         00DCBD63
    ImageSize:        00DE1000
    Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4

I assume the image posted covers the problem with both nvidia and HP drivers (the same problem occurs with both drivers)?

Could you please remove Daemon tools a.s.a.p., it is often a serious BSOD issue.

Assuming it is similar to previous crashes:

Diagnostics Test

 HDD TEST

   Note

Please run HDTune first, in the order posted!

Run HDTune to

• check the health,
• scan for errors, no quick scan but full scan
• run a benchmark.

It may take some time, but please take the time you need to perform it properly.
When above is done please make screenshots of the following

• the health,
• the error scan,
• the benchmark incl. following
  
  • transfer rate,
  • access time,
  • burst rate,
  • cpu usage.

Run SeaTools DOS to check the integrity of your HDD. SeaTools for DOS and Windows - How to Use - Windows 7 Help Forums
Run the long test.

   Note

Do not run SeaTools on an SSD as the results will be invalid.

Make a photo of the result and post it.

Run chkdsk
Disk Check - Windows 7 Help Forums
Use option TWO with parameter /r
Upload the chkdsk log :arrow: Check Disk (chkdsk) - Read Event Viewer Log