Have you updated & rebooted? It is a known problem but recent updates should have fixed it. If not, it can easily be repaired by changing 'sna' to 'uxa' in your 20-intel.conf or related file.
Regards.
1. No, I hadn't updated.
2. Last night I changed the desktop configurations back to what they had been and rebooted but the cursor was still invisible.
3. Today, I went to the manjaro installation again to try your suggestion of updating and surprisingly the cursor was VISIBLE.
4. I updated and changed the desktop confiurations back to what I wanted (stop using an image for wallpaper and use a colored gradient for the background).
5. I then rebooted and the cursor was still visible. I rebooted again and the cursor was then INVISIBLE.
6. I changed the desktop configuration back to having an image as the wallpaper.
7. I rebooted and the cursor was still invisible.
8. After rebooting 2 more times the cursor became visible, so all in all, it took 3 reboots after resetting the desktop configuration for the cursor to become visible again.
Is this an xfce phenomenon or manjaro?
And would the fix described above take care of this?