Problems become expensive when pride refuses outside expertise.

Not asking for help has a price that accumulates quietly. The problem stays unsolved longer, the wrong fixes cost money, and by the time you finally consult someone the situation is worse than it was. The reluctance is usually about not wanting to look uninformed, which is a very expensive thing to protect.

Set yourself a limit in advance for how long you will struggle before asking. When you hit it, ask plainly and without a preamble explaining why you should have known. Most people are glad to help and remember the outcome rather than the question.