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Do these sentences need question mark?

How To Repair and Restore Windows 10 (?)

Or

How to fix java.lang.NoClassDefFoundError: Failed resolution of: Ljava/beans/Introspector error (?)

(this is a programming question)

1 Answers1

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I think it depends on the intent.

If you are actually asking that question, then the mark should appear.

How to restore Windows 10?

If you mean to relay a fact (or statement), you essentially mean to tell the person something. Give them some information to play with. Hence, a question mark should not be required here. As such a statement would qualify as assertive or imperative. But certainly not interrogative.

How to restore windows 10.

Read the full stop at the end of this sentence as "...is this..."