Ran into my first major issue with my Asrock Z77 Extreme4 after doing a fresh install of Win7 SP1 (on a previous fresh installation of Win7 non-SP1 the issue wasn't observed).
The problem was that my PC would completely freeze whenever I plugged in a USB flash disk or USB hard drive into one of the two USB3.0 ports next to the PS/2 socket. Attempting to boot windows would always freeze at the Windows logo with a drive plugged into these ports. I believe the issue could be related to Win7SP1, since previously I had installed it only as a hotfix (which interestingly is known to have issues properly upgrading the USB drivers), but this time went straight for an SP1 integrated ISO to save time.
There are a few reports of this issue floating around the web (I did a google search) so I thought I'd post a work-around I've found:
1. Enter the UEFI BIOS and find the USB settings
2. Disable the USB 3.0 Legacy support
3. Save and exit
Problem solved, no more freezing
[Edit]
Have installed all Windows updates to my new SP1 installation, and even found a newer version of the ASMedia 1042 USB 3.0 driver (since I've confirmed that's the culprit) but the issue persists when Legacy support is enabled.. so the above solution seems to be the only way to remedy this issue for now.
Reply With Quote
Bookmarks