Datacolor User to User Support Group.

I've been using Spyder3 Elite to profile my HP 2065 LCD monitor. I last profiled this monitor in March 2010. Since then, profile checks have indicated that there is no need to re-profile. The agreement between monitor appearance and print appearance has not changed as far as I could tell. Even so, perhaps foolishly, today I decided to re-profile the montor anyway.

Ambeint lighting was Moderate, as it is every time I print or edit photos.

Using the monitor controls, I re-set the brightness and contrast of the monitor and then proceded to attempt to re-profile. I was surprised to see that the previously available screens for adjustment of brightness and contrast are not visible. I don't know how to access them again.

To check the brightness another way, I used  Tools/Colorimeter to check the candelas of the screen. They were at 68 - very low. I readjusted the monitor controls to the settings they'd had just before I attempted the re-calibration. Candelas were now 88. I readjusted brightness to the maximum possible, and caldelas were then 100.

When I made that monitor calibration back in March, candelas were at 120, so something has gone very wrong. The monitor appearance itself does not seem to have changed in the past several months.

Is this a matter for a support ticket, or can someone in the group steer me back on the right course?