SpecimenONE,I just updated that post with the latest findings. A day later I see that I have 2 of these ACPI errors in the event log. So it seems that the occurrence is much less frequent, but it hasn't gone away on my Maximus VII Hero with BIOS 220...

SpecimenONE wrote:So this issue is not resolved yet?I've got the exact same warnings like the OP.I'm not experiencing any issues though. Intel I5 4690 (Stock speed)Asus ROG Maximus VII Ranger(Latest bios 2012)I just noticed today that there is a newe...

Puffnstuff wrote:Glad you got it all sorted out.Nuts. Checked today and found that I am still getting the EC error after all. The InstallAll option didn't fix it after all.

cashxx wrote:I came home tonight and formatted the drive again and installed Windows 7. Discovered the Asus AutoInstall button when the CD launched and just installed everything. Ran Windows Update and they all installed.[Edit: I checked again 24h la...