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Trouble Getting into bios for Gigabyte GA-Z77-DS3H & USB 3.0 Front-Panel Support

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Joined
Mar 22, 2013
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56
Motherboard
Gigabyte H77-DS3H
CPU
i5-3570K
Graphics
Radeon 5450 PCIe 2GB
After upgrading my hackintosh to Yosemite, I lost the front panel USB 3.0 ports on my CPU.

While researching fixes to do resolve this issue, in the Gigabyte GA-Z77-DS3H bios I accidentally turned off USB 2.0 support.

I've been able to use the CPU through the 2 USB 3.0 ports (and hubs).

But when I have a keyboard plugged into the USB 3.0 port and hitting the delete key, I still cannot get into the bios. I've tried multiple USB keyboards with no luck.

Any suggestions - short of trying a PS2 keyboard (which I don't own - yet at least) to get into the bios through the USB 3.0 port and secondly if there's a fix to turn on the front panel USB 3.0 ports that I lost after upgrading to Yosemite.
 

P1LGRIM

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Motherboard
Lenovo ThinkStation p700
CPU
2x E5-2620 V3
Graphics
RX 560
Mac
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  2. Mac mini
Classic Mac
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Mobile Phone
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Reset the CMOS settings.

Remove the power lead then remove the chrome coin shaped battery from the motherboard for a few seconds. reinstall the battery, insert the power lead and switch on.

Your BIOS should be reset to defaults.
 
Joined
Mar 22, 2013
Messages
56
Motherboard
Gigabyte H77-DS3H
CPU
i5-3570K
Graphics
Radeon 5450 PCIe 2GB
Hi Pilgrim,

Thank you for the reply and the fix!

USB 2.0 ports back on so good to go there.

I'll keep scouring the forums for a fix for the front panel USB 3.0 ports not working (unless you happen to no a fix for that too?!?

Thanks either way!!
 

P1LGRIM

Moderator
Joined
Mar 2, 2012
Messages
25,353
Motherboard
Lenovo ThinkStation p700
CPU
2x E5-2620 V3
Graphics
RX 560
Mac
  1. MacBook Pro
  2. Mac mini
Classic Mac
  1. Power Mac
Mobile Phone
  1. iOS
Hi Pilgrim,

Thank you for the reply and the fix!

USB 2.0 ports back on so good to go there.

I'll keep scouring the forums for a fix for the front panel USB 3.0 ports not working (unless you happen to no a fix for that too?!?

Thanks either way!!

You could try this :

Delete any existing copies of GenericUSBXHCI.kext from /System/Library/Extensions.

Download Rehabman's version from Here.

Place the downloaded GenericUSBXHCI.kext on the desktop.

Download KextBeast from Here.

Run KextBeast to install GenericUSBXHCI.kext.

Restart
 
Joined
Mar 22, 2013
Messages
56
Motherboard
Gigabyte H77-DS3H
CPU
i5-3570K
Graphics
Radeon 5450 PCIe 2GB
Hi Pilgrim-

Thanks again for the tip. I actually tried that a few months back without any luck (and just reinstalled the kext to see if anything had changed).

Unfortunately didn't fix it for me.

The search continues!!
 
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