If your Dell PC is stuck on the pre-boot system performance check, read this post to learn how to fix the issue. The pre-boot system performance check is a feature of Dell SupportAssist, integrated ...

Just bought a new monitor to connect to our old Dell Optiplex 790 SFF 790 uSFF machine we have in the study. I used to connect the old monitor using VGA, it worked, now connecting the new monitor over ...