Quote:
Originally Posted by theducks
Calibre has been Solid on 1903 (x64 pro) for weeks
<off topic>
I just would like to find out what is going on with my lower end graphics card (was Nv210, now AMD R5 220). Both reported code 43 and the driver fails to load (at Logon time). At boot (Post to just at Logon), I have 2 monitors displaying . After Enter (logon), I get 1 screen and a driver failed code 43 message. Attempts to install the driver say NO <brand> CARD found (the one working monitor is attached there  . And yes, the driver package installs just fine (finds the card) after removing the Graphics driver and then rebooting. it goes south (again) , after THAT (required) reboot.
BTW Linux Mint live CD uses the 2 Monitors just fine, so I may have binned a working card for nothing 
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a thorough fix for graphics is disconnect one card [ actually remove it from case if necessary] . boot with the other card, in whatever mode gets you in, and scan for hardware changes to that windows knows the other card has gone, then download latest correct Nvidia or AMD driver and update graphics
then shut it all down, swap card, repeat
then and only then go back to having 2 cards installed
that may be overkill though. in my experivne, a windows feature update often overwrites a perfectly good graphics d driver with something unsuitable and generic ( that's your code 43 error) but then windows usually realizes its mistake and corrects itself. I play safe and reinstall latest Nvidia verified one anyway.
Windows may not be smart enough to sort out 2 cards at once.
it is very unlikely that a card that worked for 1809 is borked for 1903, but ask google, and give specific card details
I have had stuff ( one particular laptop) that was only good in win 7 - there was no working win 10 driver, and everything I tried crashed, but that was very old AMD stuff
i guess worst case is you clean install 1903 with one card only, abandoning wahatever mess the update created. then add 2nd card
I am beginning to think that's the best way do do feature updates anyway. Letting windows do it as an update is typically 4 hours. a clean install from USB stick with media creator is about 20 mins, and no junk leftovers