HDD/BIOS UEFI Boot devices

My bios isn't listing my hard drive as a bootable device. I have no idea what's wrong! When i start my computer up i get this message:

The current BIOS setting do not fully support the boot device.
Click OK to enter the BIOS Setup.
then in yellow text:
Go to Advanced>Boot>CSM Parameters and adjust the CSM (Compatibility Support Module) settings to enable the boot device.

But not only do i have no idea how the hell to set those parameters, i'm completely unfamiliar with this Asus chipset motherboard and it's drivin me nuts!

Please anyone help me out? Took my computer to geeksquad and they told me i need to order a factory restore disk from Asus and i can't even call to inquire about it! It's been a week of me trying to figure this out

Thank you in advance for any help!

My computer model: Asus CM1745

Upgrades i have made:
520 WATT Dynex PSU model: DX-520wps
HD Radeon 6870 GPU
7 answers Last reply
More about hdd bios uefi boot devices
  1. Did you try doing what it said? Go into the advanced section of your BIOS and fiddle around with it, see what options you can find. Alternatively, load up Linux onto a flashdrive and boot from that. In Linux you can easily check to see if the computer recognizes the drive and directly boot into the HDD from there.
  2. Yes..xD How do i load up linux on a flash drive? Also, how would i go about booting from the flash drive?
  3. Well, perhaps my previous suggestion was a little too complicated for the situation. First, try loading up the boot manager on start up. Try and see what button to press on the splash screen starting up, but usually the button is F8 or F9. Once there, try to boot directly into the HDD.
  4. Lol that's the problem! The HDD doesn't show up in the boot menu or boot priorities. It's a UEFI Utility interface (i have never had it before because i have never had an Asus motherboard so i'm not familiar at all with it)
  5. I had the same problem with a SATA hard drive and fixed it by going:
    BIOS -> advanced -> advanced -> Sata configuration -> (switch AHCI to IDE [native])
  6. take off the cmos battery and processor about 10 to 20 minutes and that should fix the i done it for many times:)
  7. take off the cmos battery and processor about 10 to 20 minutes and that should fix the problem
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