Hi BSmith1944
That looks like your graphics card is not powering up correctly after sleep . . .
The best option would be to try an older version of your video card device driver . . .
Open Device Manager (accessible by right clicking your Start Button)
Expand the Display Adapters Section
Right click your video card and choose Properties
On the Driver Tab, choose 'Roll back Driver'
Restart your PC once done . . .
If that option is grayed out or does not resolve the issue, go to the support page for your device on the Dell website, then download and install the video driver they recommend, it may well be an older version to the one you are currently running