When I switched to texture, the colorful Xs did not appear. Why?

When I switched to texture, the colorful Xs did not appear. Why?
  • Kent Trammell replied
    Is it a solid color, like black, instead?
  • grumpfkin replied
    I have this same issue. For me it's a solid black.
  • grumpfkin replied
    Found my issue. My View Properties -> Shading mode was set to GLSL.