Unmountable Boot Volume Error?

As it turns out, Microsoft calls the problem a feature "by design" and claims the purpose of this behavior is to prevent potential data loss due to the usage of an incorrect IDE cable for the faster UDMA modes.

This behavior may occur if the following conditions exist:

You are using an Ultra Direct Memory Access (UDMA) controller with your computer.

You are using a standard 40-wire connector cable to connect the UDMA drive to the controller instead of the required 80-wire, 40-pin cable.

The basic input/output system (BIOS) is set to force the faster UDMA modes.

To resolve this behavior, Microsoft recommends replacing the 40-wire cable with an 80-wire UDMA cable,
-or-
Try loading the 'Fail-Safe' BIOS default and reactivate the most currently used options such as USB Support.

For further reading, see Microsoft's KnowledgeBase article Q297185

That error are commonly coz by the hard drive. If you are using UDMA hard drive controller and you use a 40-pin conductor cable to connect the UDMA drive to the controller instead of a required 80-wire 40-pin cable. or..

The basic input/output system (BIOS) settings are configured to force the faster UDMA modes

And other is your File System are DAmage...

Pinoy_Teknik

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