Optio W90 Flash Does Not Fire

Q: The flash does not fire on my Optio W90. Why ?

A: Please check the following:

1. Is the flash mode set to [Flash Off] ?

2. Is the drive mode set to [Continuous Shooting] or [Burst shooting] ?

3. Is the focus mode set to [Infinity] or [1cm Macro] ?

4. Is the shooting mode set to [Movie] or [Digital Panorama] ?