slow ubuntu

Did you run out of swap space ?

top - 10:27:29 up 1:43, 2 users, load average: 0.49, 0.26, 0.25
Tasks: 90 total, 1 running, 89 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.3%us, 0.0%sy, 0.0%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 1523348k total, 1490696k used, 32652k free, 102268k buffers
Swap: 2465936k total, 24k used, 2465912k free, 1168492k cached

Maybe a full harddrive partition? Check it out using 'df' in a terminal window.

Thank you but I've already tried that on a 60 gig hardrive. I'm just gonna try a re-install again. I did this on another computer and it seems to be working so far. But I have another minor problem that maybe you could help. Even though I have power management set to never turn off power, my monitor keeps going off after an idle time of about 10 minutes when the screensaver is supposed to come on???
Thanks again.

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