Cannot access UEFI on Z170M Pro4S?
Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=1911
Printed Date: 26 Dec 2024 at 2:29am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Cannot access UEFI on Z170M Pro4S?
Posted By: LithiumSpade
Subject: Cannot access UEFI on Z170M Pro4S?
Date Posted: 03 Feb 2016 at 6:10pm
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Can anyone help me? I seem to have somehow broken my UEFI BIOS. Just put together a new PC with an i3-6100, R9 380, DDR4-2666 RAM and a Asrock Z170M Pro4S mobo. Everything is generally working fine after getting drivers and so on installed, but i've suffered the odd BSOD a couple of times whilst gaming. I was trying to find the source of this, and in chasing that I discovered my RAM was only running at 2133mhz. I wanted to go and change my speeds in the UEFI menu, but before I did so I downloaded the latest BIOS for my motherboard so I could also try the unofficial Skylake overclocking out. I installed the new BIOS just fine (2.40) but now when I hit F2 to launch the UEFI menu during boot the screen just goes black. When I move my mouse cursor around it leaves trails behind it that appear to show the menu underneath, but nothing else happens and I have to hard reset the computer. I've tried going back to older versions of the BIOS but with no success. Any ideas? |
Replies:
Posted By: Xaltar
Date Posted: 03 Feb 2016 at 6:15pm
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Clear CMOS using http://forum.asrock.com/forum_posts.asp?TID=630&title=how-to-clear-cmos-via-battery-removal" rel="nofollow - this method and see if it clears up the problem for you. Clearing CMOS should always be the first step when troubleshooting UEFI/BIOS issues. ------------- 
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Posted By: LithiumSpade
Date Posted: 03 Feb 2016 at 6:56pm
| Thanks, I gave it a go (the 10 minute clear) and it came up with a different screen saying date and time was not set, but it still locked up when going to the BIOS. Guess i'll have to try the four hour clear then. |
Posted By: wardog
Date Posted: 03 Feb 2016 at 7:30pm
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What keyboard are you using to set it up with? |
Posted By: LithiumSpade
Date Posted: 03 Feb 2016 at 8:19pm
| Some £6 bargain Argos keyboard. The brand is Trust, connects via USB (I assume 2.0 but it doesn't say). It all worked perfectly until I updated the BIOS though, now the computer starts absolutely fine on Windows but I can't access UEFI. Even manually restarting into UEFI from Windows won't work because the option simply isn't there. Instant Flash still works though. |
Posted By: LithiumSpade
Date Posted: 04 Feb 2016 at 9:09am
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Okay, I followed the CMOS clear instructions, left the battery out whilst I went to work. Once again the date reset, but the problem still persists. What's my next course of action? Thanks in advance |
Posted By: parsec
Date Posted: 04 Feb 2016 at 11:14am
So you're saying the ASRock Restart to UEFI program does not work for you? I know there is a way to do that in Windows too, but this ASRock program has never failed for me. If you are referring to the Windows method, download and install the ASRock Restart to UEFI program. I don't know how I survived in the past without it.  Forget the battery clear method for now, just do the standard Clear CMOS with the jumper on the board. You are doing that with the PC removed from power completely, right? A cheap USB keyboard should be fine, the more complex they are the more trouble they are when starting after a UEFI/BIOS clear. Wait, I see your board does not have any USB 2.0 ports on the IO panel. Any chance your PC case does, and you have them connected to your board? If so, try using one of those. Any UEFI/BIOS clear should cause a screen to be displayed that gives you the option to enter the UEFI UI or just boot to Windows with defaut settings. If you don't see this, something is wrong. Press F2 or Del when prompted to, and then sit back and WAIT for the UEFI screen to appear. No mouse games while you wait, sit on your hands!  Speaking of the mouse, what are you using? The 2.40 version UEFI may not be the BCLK Skylake over clocking version. That would be the Beta 2.23 version, unless that feature was included in the 2.40 version. ------------- http://valid.x86.fr/48rujh" rel="nofollow"> 
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LithiumSpade wrote:Posted By: LithiumSpade
Date Posted: 04 Feb 2016 at 6:08pm
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I was indeed previously referring to the Windows native method of restarting to UEFI. Unfortunately, I found and installed the Asrock program you mentioned, but that won't even open for me. Yes, I have been removing the power completely before doing the Clear CMOS My PC case has 1 USB 2.0 port on it, and coincidentally I have been using that for my keyboard anyway. I also unplugged the mouse completely this time. So I cleared my CMOS again like you said, just the standard clear. After that the screen you mentioned popped up, as it has on each previous CMOS Clear. I pressed F2 and left it for 10 minutes without touching anything, with the mouse unplugged, but unfortunately it still doesn't work. Still crashes in the exact same way. It probably shouldn't affect it, but i'm using the cheapest Gigabyte mouse i've ever seen - the GM-M6800! It appears that the 2.4 version does have the option, but i've had that and the 2.23 Beta version installed on here and I can't access the BIOS on either, so it matters little at the moment. I mostly want to be able to get my rated RAM speeds, overclocking is a secondary concern right now! It's so bizzare because everything else seems to be working really well. It's just the BIOS that's completely inoperable. Thank you for trying to help!
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