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Beginner
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Upgraded to Windows 8.1, now SecureBoot has excluded access to the BIOS

I've got a pc with an Intel mother board DH87RL, AA number AAG74240-401, BIOS Version Intel Corp. RLH8710H.86A.0320.2013.0606.1802, and an Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz processor. Using the Intel® System Identification Utility, I got the report reference ID 0225 3409 I upgraded my machine to Windows 8.1 and after that I was told that SecureBoot wasn't configured correctly. So I restarted, waited for the Intel logo, hit F2, and changed my SecureBoot settings. I changed it from off to on, I believe. I saved and restarted. Now, everytime I restart first I hear 4 loud beeping sounds and I do not see the Intel logo, the first thing I see is the Windows desktop. It's as if the Intel splash screen is not displaying correctly. When I hit F2 repeatedly on boot I'm guessing it goes to the BIOS, because in this case it does not boot to Windows, but it also does not show me the BIOS screen. So, in summary, after I turned on SecureBoot in the BIOS, I can not see the Intel splash screen on boot, nor can I see the BIOS screen if I hit F2. Changing the jumpers on the mother board (as was suggested earlier in a similar discussion) didn't help. The BIOS is still not accessable ever since I've activated Secure Boot, after installing MS Windows 8.1. Any suggestions?

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Beginner
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I don't know why you can't enter your BIOS, but the Secure Boot Issue can be resolved by installing this Update: http://support.microsoft.com/kb/2902864 Update removes the "Windows 8.1 SecureBoot isn't configured correctly" watermark in Windows 8.1 and Windows Server 2012 R2.

If you run "wuapp" and update the Machine with the latest available Updates the above mentioned Update will be included.

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Hello Herman_59, we have seen this issue recently when customers are using W8.1. This was already sent to our Engineering team in order to find a solution for it.

You may want to try the following troubleshooting provided by a customer in this thread. /thread/44769 https://communities.intel.com/thread/44769

We were able to replicate every step in our systems, at the end after 8 to 10 hours without the CMOS battery, we turned ON the system and we were able to access BIOS and reset default settings.

You may try the suggestion Nebta gave you since it is provided by Microsoft.

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Beginner
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Unfortunelately, none of the above mentioned suggestions lead to a solution.

 

The final and only solution was the the replacement of the complete mother board.
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