escape and F10 not working at splash screen so cant get to safe mode with GT 730 installed.

With old card with no fan I can fire it up but not sure how much time I have before it shuts down.........that's why I'm trying to get a replacement fan so I have time

Per the spec page for my desktop
"Integrated graphics are not available on this motherboard."

HP Pavilion HPE h8-1214 Desktop PC