Quote:
Originally Posted by footfootfoot
According to device manager, unknown device is not connected.
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Elininate the device. Then reboot. If it returns, you probably have a problem as UT noted. So, disable that device in Device Manager. Then reboot. That should keep the BIOS from finding and trying to enable that now defective device.
The BIOS first talks to and enables every device using a system far more complicated that even DOS. An entire bus system talks to every device (even PCI bridges), obtains an ID number, and then tries to setup the device. All this done long before it even tries to boot the OS. Apparently that hardware bus sees some device but cannot initialize it.