denkteich Posted April 4, 2021 Share Posted April 4, 2021 Hi, I updated my E5550 from Catalina to Big Sur. The bootup takes ages to complete and the graphics are "ripped". Any suggestions? TIA .d config.plist.zip Quote Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted April 4, 2021 Moderators Share Posted April 4, 2021 Enable Legacy Option ROMs in the BIOS Quote Link to comment Share on other sites More sharing options...
denkteich Posted April 4, 2021 Author Share Posted April 4, 2021 OK, graphics problem fixed. but my wifi card (DW1560) is not recognized. Does it work with Big Sur? Quote Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted April 4, 2021 Moderators Share Posted April 4, 2021 Yes, works perfectly fine just like on Catalina or Mojave. Quote Link to comment Share on other sites More sharing options...
denkteich Posted April 4, 2021 Author Share Posted April 4, 2021 strange i can switch wifi on, but i dont see any wireless networks. any suggestion where to look? Quote Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted April 4, 2021 Moderators Share Posted April 4, 2021 Added the fixes to your Config config-E5550-FixWifi.plist.zip Quote Link to comment Share on other sites More sharing options...
denkteich Posted April 5, 2021 Author Share Posted April 5, 2021 perfect, thxalot. wifi works and the boot process is way faster Quote Link to comment Share on other sites More sharing options...
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