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ASUS Sabertooth 990FX R2.0 Boot Issues

Tags:
  • Formatting Problem
  • Motherboards
  • Boot
  • Hardware Problem
  • Asus
Last response: in Motherboards
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October 2, 2013 8:11:37 PM

Hey, just put together a new rig today but I'm having some problems. Pretty sure it's a mobo issue.

Mobo: Listed above
CPU: AMD FX-9590
GPU: Sapphire HD7870
RAM: 1 stick 8GB G.SKILL
SSD: 30GB Sandisk (trying to put OS here)

Current situation is when I power up, mobo lights cycle through. When it gets to VGA LED, it sounds one short beep (for VGA detected?). After this, the Boot Device LED stays on indefinitely.

Then the mobo start up screen displays for a few minutes (no access to UEFI/BIOS) then gives an error:
"The current BIOS setting do not fully support the boot device. Click OK to enter the BIOS Setup.

"Go to Advanced>Boot>CSM Parameters and adjust the CSM (Compatibility Support Module) settings to enable the boot device."

I'm trying to boot off a USB and I played around with the settings for a while, but no dice. I made sure it's FAT32 for compatibility with UEFI but I don't know where else to go with it. There's no boot manager or anything. This UEFI thing is whack.

Any help is appreciated!

More about : asus sabertooth 990fx boot issues

a c 1184 V Motherboard
a c 314 Ĉ ASUS
October 2, 2013 8:15:46 PM

You can not simply select boot from USB?
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October 2, 2013 8:20:58 PM

rolli59 said:
You can not simply select boot from USB?


No, for whatever reason it does not come up in the bootable devices menu. Maybe some funky USB ports off the mobo... but I doubt it.
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a c 232 V Motherboard
a b Ĉ ASUS
October 2, 2013 8:21:50 PM

See here for some BIOS info for that mobo/CPU combo as well:

http://www.asus.com/Motherboards/SABERTOOTH_990FX_R20/#...

You should be able to manually select a boot device upon power up. Many systems, by pressing F11 or F12 (it varies), will give you a menu from which to choose.
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a c 232 V Motherboard
a b Ĉ ASUS
October 2, 2013 8:23:44 PM

I suggest moving your USB device to a USB 2.0 port, if not already doing so (vice a USB 3.0 port). Also, I would suggest using a port connected directly to the motherboard, and not one of the front panel connectors (until you know they work properly).
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October 2, 2013 8:29:54 PM

Checked ASUS's info already, not sure what the issue is. I just wiped my USB to retry the USB boot disk so when that completes I'll give it a shot.

Update: Plugging the USB in hot caused freezing in EZ Mode -- UEFI BIOS Utility. Power cycled and got back to it and USB device still not showing up. F12 produces a screenshot, F11 has no effect.

Update: Managed to get the mobo to see my DVD ROM drive, but that's it.
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a c 559 V Motherboard
a c 150 Ĉ ASUS
October 4, 2013 11:41:17 AM

Have you updated to the latest BIOS version?
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!