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Thread: AHCI BIOS screen making it impossible to enter BIOS




  1. #11
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    Default Re: AHCI BIOS screen making it impossible to enter BIOS

    I don't have that kind of screen AT ALL.
    I press the power button and the first thing I see on the screen is the dreaded AHCI BIOS.

    Using USB keyboard with no problems at all.

  2. #12
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: AHCI BIOS screen making it impossible to enter BIOS

    Hmm, thanks svcglobal, very good question! I bet it is USB and that is the issue at hand

    Try it with a PS/2 keyboard and I bet you can enter the BIOS normally.

    Some USB keyboards do not function fully/properly until windows loads as they require their own drivers

  3. #13
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    Default Re: AHCI BIOS screen making it impossible to enter BIOS

    I don't think so, because when the AHCI stuff isn't enabled I have no problems at all. I would start the PC, immediately (still nothing on the screen) hit Del a few times, and the first thing to see would be the BIOS screen!

  4. #14

    Default Re: AHCI BIOS screen making it impossible to enter BIOS

    Quote Originally Posted by Octopuss View Post
    I don't have that kind of screen AT ALL.
    Wow! Weird, very weird. No initial BIOS screen with EPA sign at upper right corner?
    Tell us now which monitor are you using, that BIOS starting screen normally run with 640x480, then change to 720x400 to show the Intel AHCI BIOS, under Vista move back again to 640x480 pixels to show that green bar and finally run the selected Windows resolution.

    Could be your monitor not capable to display 640x480? Can't see any other thing that could not display the initial BIOS screen besides bad/corrupted firmware.
    So, are you sure that BIOS firmware is the correct one for your board? Please double check all the suffix since someone here in this forum used the BIOS for another board and got many issues (not like you but, who knows?).
    GA-Z97-D3H Windows Pro 8.1
    i5-4690K + Corsair H90
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    16GB (2x8GB) DDR3 Corsair Vengeance Pro 2400MHz PC3 19200
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    Sharkoon VS-3V tower

  5. #15
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    Default Re: AHCI BIOS screen making it impossible to enter BIOS

    I am not sure if we understand each other.
    If AHCI is disabled, I do see the POST screen with all the stuff and everything is perfectly normal.

    If I enable it, the first thing to show on the screen is the AHCI BIOS screen and after that OS starts booting straight away (with about .001s of black screen when I can press Del to get to the BIOS).

  6. #16

    Default Re: AHCI BIOS screen making it impossible to enter BIOS

    Yes, we understood. So, we are trying to give you some options to fix the issue.

    Even if the BIOS initial screen appears without AHCI enabled, could you do a try with another monitor? Could be possible also to test with different keyboard?
    GA-Z97-D3H Windows Pro 8.1
    i5-4690K + Corsair H90
    Sapphire Radeon R7 240
    16GB (2x8GB) DDR3 Corsair Vengeance Pro 2400MHz PC3 19200
    Corsair CX750M
    Samsung SSD 840 EVO 500 GB

    Sharkoon VS-3V tower

  7. #17
    Join Date
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    Default Re: AHCI BIOS screen making it impossible to enter BIOS

    Similarly, I have an EP43-DS3L and it freezes at the Gigabyte logo screen after I enabled AHCI (don't ask why I did that). I have a PS/2 keyboard. I'll stop home later and try hitting the begeezuss out of the delete key from the moment I power it on. Resetting the bios using the jumper technique hasn't restored it. I can't get into Qflash either... just stops at the pretty Gigabyte screen. Did I fry this thing?

  8. #18

    Default Re: AHCI BIOS screen making it impossible to enter BIOS

    Besides the fact of you already did the BIOS reset at the jumper, try to remove the battery out. Something is memorized in a wrong way. I do not think that the board did become a brick (yet).
    GA-Z97-D3H Windows Pro 8.1
    i5-4690K + Corsair H90
    Sapphire Radeon R7 240
    16GB (2x8GB) DDR3 Corsair Vengeance Pro 2400MHz PC3 19200
    Corsair CX750M
    Samsung SSD 840 EVO 500 GB

    Sharkoon VS-3V tower

  9. #19
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    Default Re: AHCI BIOS screen making it impossible to enter BIOS

    I can only second svcglobal's advice. Unplugging the AC power cord and removing the BIOS battery has worked wonders in many cases. Also push the power button after unplugging to discharge all the capacitors.


  10. #20
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    Default Re: AHCI BIOS screen making it impossible to enter BIOS

    Well, I switched to a GA-EP45-DS3L and set it up last night (with some help from this forum) and it's stable at 3.5ghz / 1066mhz. I'll go for more tonight. I'll remember that battery pull thing though.
    E7400 @ 3.41GHz, GA-EP45-DS3L, Crucial Ballistix PC2-6400(2x1), Sigma case

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