Hi,
There was a problem with my computer system, so i decided to remove the hard disk to be slaved in another system. After adding the hdd, I discovered that it won't go past the windows logo screen, the monitor will just turn black. I changed the ram, remove all cards, but no way.I also try to repair the operating system, it still the same problem. please kindly help.

Sounds like the 2nd pc is booting off the hd from the original system. You'll have to go into the bios and tell it not to boot from the slaved hd.

how do u go into the bios on a laptop...to do so

Is the hd you removed attached to a laptop via usb? If so, wait until the laptop boots up and then add the drive.

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