vga and sound card problems

my first problem is how to change my resolution my resolution is very small i want increase my resolution


second problems when i install sound card with the help of( sndconfig ) command but when i restart my pc my sound card have uinstall i dont understand


please give me instraction step by step beacuse i am not professional in linux i use first time

1. Run "xrandr -q" to see what resolutions have been made available for you. Post the output here.

2. sndconfig is known to be a bit untrustworthy from time to time. Please post the contents of your /etc/modules.conf here. Also, what sound card do you have?