In December, not long after I got my K20D, I fired a shot with my Vivitar 283 flash - which had worked flawlessly for over four years on a Fujifilm digital I had - when my screen went black (no image review) and I was totally unable to press any buttons. (I'll call this a 'blackout'.) I turned the camera off then on again with no luck. So I removed the battery and put it in again, turned the camera on and everything worked fine. Ever since, even with using that flash, there have been no problems.
Fast forward to this evening. I turned my camera on to change my USER mode settings. Then I realized that I better change my time to daylight savings in the World Time mode of the Set-up menu. So I made sure both time zones had the checkmark in the daylight savings boxes, pressed OK, then pressed the shutter halfway to return to shooting mode.
After this without shutting the camera off, I walked to a window to take some outdoor test shots using a new filter (from inside - it was -20oC out there!), so no flash required, and after a couple of shots the camera froze up again: no image review, no buttons worked, etc. So I did the same remedy as above and everything worked again, but when I went to play back the image to see if it was captured, the image was completely white (I'll call this a 'whiteout'.)
I also went back into the World Time mode and noticed that the times were still the same as they were after I changed them to daylight savings mode, but now the checkmarks for DST in both time zones were no longer checked, and once I checked them they gained yet another hour. My USER mode settings also had reverted to what they were before I had changed them. Anyhow, I changed these settings all over again and they stayed this time and all is good (for now)
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BUT HERE'S WHAT I WISH TO ASK:
- Who else has had what I call a 'blackout' or 'whiteout'?
- What did you do that caused your problem to occur?
- If you haven't sent your K20D in for repair, has your problem recurred? If so, how often/how may times?
- If you have sent it in for repair, what needed to be fixed?
- As an aside, if you had AF inconsistency before the repair, was this inconsistency gone after the repair?