I used to have problem with sound card too , when i spilled a big cup of water as big as a glass of beer at the bar on my lappy.
I luckily recovered after open it up . let it dry.. boot up and it didn't work, open it up a gain and...
I used a 1100 before. The only thing you can upgrade to is hdd and RAM . U might be able to put a Pentium 4 400FSB. Max Ram is 1gb pc2700 and max hdd is 80gb 5400rpm (i'm not sure 7200rpm would work) HDD.
dougadamsfan thanks for the extra instructions. I have a question. I 've heard people said that you should apply AS5 so what exactly is it ? where can i buy it? and where to apply it on, with how much should i apply on my CPU and GPU?