Acer Iconia Tab A200-10g16u XE.H8QPN.001 Tablet - Android 3.2 Honeycom "volume shapes" Questions

...is mute tablet setting icon gear shape has sound display option from ringtones to touch sound.And volumes,increase bar section on volume to maximum to enable sound in case it was

...do a hard reset. follow this procedure. 1. switch the tab off. after, 2. long press power button + volume down key simultaneously. 3. after it shows the logo then release the power button ...

...and it would NOT respond to ANY attempts at resetting. I tried every combination I could : pressing volume down (-) and power; volume UP (+) and power; volume UP & DOWN (+ AND -) and power. It ...