Hello,I bought a used computer and it has a squeal comming from the tower.I`m running windows me on a gateway select 1000 cs with memory=128-mb 133/100/66-mhz 64-bit 4-clock 16x8 sdram dimm,MSI Athlon 1-GHz mother board,250-watt 3.3 volt power supply,Creative Labs Audio PCI 128D digital sound...