Freezes while detecting hard drive

May 21, 2011 at 17:28:09
Specs: Vista
Hard drive not detected on my PC and it seems hang while doing that.
Sometimes I can go to BIOS and sometimes I cannot even go to BIOS.

I hears that mobo is the problem so I've installed new mobo. Now, when I push the switch nothing happens. When my power line is plugged in, I see the green light from my PSU and on my new mobo. But when I push the switch, the PSU light goes off and nothing happens. (no fan running, nothing literally).
However, if I pull off the 4 pin power line, then at least fan on PSU and mobo starts spinning. But that's it. No video, no nothing. Does this mean that my new mobo needs more power and old PSU cannot provide it?

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May 22, 2011 at 07:13:52
Cannot say definely without using test equipment. From what you write, it seems the power supply may be the issue.

12v rail may be bad.

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May 24, 2011 at 10:18:48
Thanks modify.hardware. You were right!
Tested using different PSU and now it can start. It seems that new mobo needed a little more power.
Now the PC starts and POST it. But Windows cannot boot. It says failed to boot and shows me options like "repair" and "normal startup". If I try repair, it says it attempts for a while and it says it cannot.
I can go to DOS mode from the repair menu ( even let me log in) and see my files and copy/paste files to a USB drive. But cannot boot the Windows. I know that due to Windows OEM and new mobo issue, I'll have some issue but don't I have to at least reach the re-activate screen?
Some sites suggest chipset difference and somehow I need to install drivers using the CD came with new mobo. But without Windows boot, how do I use the CD?

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