Response:

Satisfy yourself and the question asker that you’ve asked yourself a series of questions and have documented the relevant answers to those questions.

You may want to point out that there isn’t really a top 10 list.

Reference:

• Step 17 – Askee’s questions
• Step 30 – Severity & Priority
• Step 8 – Ask questions

Related questions:

• Have you RTFM?
• Have you tried …?
• Isn’t there a top 10 list?
• What have you already tried?
• Who, how, why, what, when and where?