Vanished AO Hud

I have an AO hud which I can no longer see. I've tried ctrl shift h and editing another hud object and scrolling my mouse to reveal things - but I still can't see it. I've checked that the HUD is in place and added it and removed it quite a few times.

Any ideas as to how I can reveal my HUD?

Put on another hud, CLick on it to go in edit mode.. Zoom out using your mouse wheel or however you zoom, That should bring it into view.. Then move it where you need it and zoom back in to default

Did you change its position when you took it off and put it back on? If you haven't, try attaching it at the position farthest from where you last saw it, eg, if it was top left, try bottom right. If you still can't see it, try the edit-scroll and highlight transparent tricks again. Also, I've sometimes had mine rotate for no apparent reason, so all I could see was a short line off to one side...keep an eye out for that sort of thing.