if you delete the files without backup, you may run into serious update issues on the system that are not easy to fix.

How would the previous sentence be correctly capitalized?
Answer: If you delete the files without backup, you may run into serious update issues on the system that are not easy to fix.
i took two pictures though it was very hard to see the object in the lens. i zoomed out (shutter speed 1/1250; focal length 60.0 mm) in the direction i was looking & clicked twice. remember, we were on a boat so holding a camera steady is a challenge!

How would the previous sentence be correctly capitalized?
Answer: I took two pictures though it was very hard to see the object in the lens. I zoomed out (shutter speed 1/1250; focal length 60.0 mm) in the direction I was looking & clicked twice. Remember, we were on a boat so holding a camera steady is a challenge!
most dogs can be treated on an outpatient basis.

How would the previous sentence be correctly capitalized?
Answer: Most dogs can be treated on an outpatient basis.
before noon it will be overcast with light rain. after midday mainly cloudless weather will prevail. morning temperatures will be around 10 c. during the day they will reach a maximum of 17 c. low temperatures at night will be around 8c. we have weak westerly winds.

How would the previous sentence be correctly capitalized?
Answer: Before noon it will be overcast with light rain. After midday mainly cloudless weather will prevail. Morning temperatures will be around 10 C. During the day they will reach a maximum of 17 C. Low temperatures at night will be around 8C. We have weak westerly winds.