sounds like a PSU problem to me, what brand of PSU?
think the noise could be a fan getting weird power?
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IBM/Lenovo T43 2687DSU
Pentium M 2.0Ghz
1024 MB (DDR2 SDRAM)
80 GB Ultra ATA, 5400 RPM
14.1\" LCD
Windows XP Pro
DVD-R
64MB ATI MOBILITY RADEON X300
Integrated 802.11A/B/G, Bluetooth, 10/100/1000 Eth. |