Laptop sound not loud enough

ive had my laptop for less than a year, its an ex government refurbished laptop, now the sound card is Sound Max and I cannot find the actual program manager anywhere on my computer so that I can get into it and tweek it some more, I do have another laptop, a more newer one where I have just had windows 10 upgraded, with this new laptop I have realteck as my sound card, I have the program's manager on my desk top where I have been able to re do the equaliser to get the full maximum volume going, but, on my other laptop that has the Sound Max, I cannot find this program on this computer anywhere, so can some please help me here, thank you.