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  • Posts: 6
  • Registered: ‎05-25-2016
  • Location: US
  • Views: 126
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M92 AMD HD7350 Secure Boot no Video

2016-11-30, 1:20 AM

When attempting to enable Secure Boot on a M92 Tower with an AMD Radeon HD7350 512MB (03T8175) video (DVI+DP stops working.  Removing the card and connecting VGA or DP the machine displays video.  Disabling Secure Boot displays video via graphics card.


This is documented on a M92 SFF with a AMD HD7450 and there is a vBIOS update for the graphics card but I can't find any articled related to the HD7350, I guessing you can't apply the HD7450 vBIOS to the HD7350 card. https://support.lenovo.com/us/en/solutions/HT081709?LinkTrack=Solr


Any one else seen this?


Machine is running BIOS 9SKT75AUS, going to try updating it but don't see any BIOS changes (https://download.lenovo.com/pccbbs/thinkcentre_bios/9sjy97usa.txt) that would reflect this being fixed.


Update: Updated BIOS version 9SKT95AUS same issue.  Also doesn't appear to be secure boot that is causing the issue turning secure boot off but forcing the system to use UEFI only causes the same issue.  Also in the system logs in the BIOS reports "Pri Output Device Not Found."




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