Topic Title: No Video During Boot Process with SecureBoot enabled
Topic Summary: With Secure Boot enabled, error codes are generated by the UEFI firmware and no video is displayed. Windows boots OK.
Created On: 10/21/2013 11:51 PM
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 10/21/2013 11:51 PM
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Joined: 10/21/2013

Graphics Card: HP AMD Radeon HD 7500; no over-clocking

Catalyst Driver:; Catalyst Suite Upgraded to 8.0.915

Operating System: Windows Pro 8.1 64-bit with Media Center; Secure Boot not tested on Windows 8 because UEFI firmware (AMI v7.09) wouldn't support Secure Boot.  The initial system installed on this hardware was Windows 7 64-bit

Issue: Upgraded to Windows 8.1; a watermark "Secure Boot isn't configured correctly" is now displayed on the desktop plus Event Code 3002 is being generated.  When Secure Boot is enabled, 6 beeps and the power button flash 6 times which according to HP codes is a video problem.  What occurs is that during the boot process there is no video therefore no opportunity to change options in the UEFI firmware.  Windows 8.1 continues to boot and everything is normal. The event errors stop and the watermark is gone until the system is shutdown or restarted. I reset the UEFI firmware and disabled Secure Boot and the normal boot process occurs but the event errors and the watermark reappear.

My basic question is: Is there a vbios update that needs to be made to the video card to enable it to fully participate in the UEFI Secure Boot process?  If not, what needs to be done to allow the full performance of this card during all aspects of system operation while enabling the Secure Boot functionality?

System: HP Pavilion H8-1360t

Motherboard BIOS: Orginal firmware on system was AMI 7.09 which did not provide Secure Boot as an option - only the ability to boot with UEFI devices. Upgraded firmware to AMI 8.18 from HP.  This provided the Secure Boot support.

Additional Hardware: Samsung SSD Boot device + 2-1TB hard drives.

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