Is the safety bar possibly in place? Reach up over the inside lip of the slide, about in the middle. If you feel a metal bar running between the lip and the wall, remove it.
Happy Camping! ///// Richard D.
2006 4x4 Ford 250 SD / 2007 Flagstaff 827 FLS
One very patient wife and one furry child who travels with us. Forty-two years of trailering and camping, and I still have a blast.