Fresh install of 16.04 LTS extremely slow with ATI ES1000 GPU - Ask Ubuntu
i installed 16.04 on hp dl360 g5. extremely slow. system monitor shows 4 xeon cores running between 35% , 75%. sorting highest processor use top, in processes, shows compiz using 10% 20% of cpu. the ui (unity desktop) slow. moving window or typing textbox has incredible delay. how troubleshoot this? ideas what's wrong? update: i've discovered high cpu usage (35% 75% per core) occurs when when i'm on resources tab. if go processes tab bit, switch resources, can see while away per core processor usage drops near zero. as per comments, issue turned out op's video card had 64mb of vram, , didn't have hardware 3d acceleration @ all. unity being 3d desktop environment, absolutely brought gpu knees. the solution install 2d desktop environment, such lxde.