A:Answer You might want to try this tip I found after a Google search, concerning not waking from sleep:
http://wikipost.org/topic/IwBJcxtbSSzYLibfCXrXpKLwrPiX3fqm/System-won-t-wake-from-sleep.html
For the screen resolution, go to your Control Panel, type resolution in the Control Panel search window, select screen resolution then make sure your system is set to the "recommended" screen resolution. Hope this helps!