I reset the bios and reflush Dell the PSU and MB( because some voltage still left over even though I completely turned off the system as some online user recommend) and tried again it was working again. I thought I fixed finally but the next morning I turned on again this time it is completely dead. But the PSU still ok and the MB is ok too. I am using 24-pin other PSU and no problem.
Only adjustment is I converted 4-pin PATA pinout to 15-pin SATA (since this PSU only has 2 SATA cable) and the strange thing is Windows reported SATA drive as PATA drive I guess since the 3.3V orange wire is unconnected.