Acer 7551-7422 how do i turn the volume up higher

[homeowner2]

hoe do i turn the volume up?

 

[ultra619]

hold the "fn" key on the bottom left and click the upper arrow to make it higher.


the "fn" key is blue

 

[Combat Wombat]

Or if you are using realtek or external volume manager you may have to change the settings in there.