Dead PIXEL.

[tappan]

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For your information, if you get a line through your photo(s). If it seems like a dead pixel(s).......
With an M10 and M11, one can receive an emailed firmware update from Leica after they have mapped-out the problem by viewing the image.
IMPORTANT...
With an M9, that cannot happen. Camera has to go back to Leica for service. This just happened to me. Leica NJ gave it a CLA and fixed the dead pixel problem.
Was not a fast delivery back to me, but not crazy slow, either. Came back perfect!!
Mark

[TomB_tx]

I had a red-line dead pixel on my original M9 sensor that would show up in previews, but when dng was converted in Lightroom the line was “healed”

[jdlaing]

22 hours ago, TomB_tx said:

I had a red-line dead pixel on my original M9 sensor that would show up in previews, but when dng was converted in Lightroom the line was “healed”

Probably a hot pixel in the LCD and not on the sensor. A dead pixel would be a black line. Sometimes they unstick. 

[TomB_tx]

17 minutes ago, jdlaing said:

Probably a hot pixel in the LCD and not on the sensor. A dead pixel would be a black line. Sometimes they unstick. 

Good thought, but the pixel would move when the LCD was zoomed/panned, so it was in the jpg file.

[jdlaing]

5 hours ago, TomB_tx said:

Good thought, but the pixel would move when the LCD was zoomed/panned, so it was in the jpg file.

The sidecar jpeg is what is shown on the LCD. if it wasn’t in the files when you opened them it probably was on the camera screen.