Hard disk not detected during booting or also it does not show in boot menu.

hard disk not detected during booting or also it does not show in boot menu please tell

you may have a failed hard drive or bad cables, i would check first to see if the hard drive is powering on. if it doesn't try a different power connection, and if it still doesn't start spinning i would say that it is bad and get a new hard drive. If
it does start spinning and just isn't being recognized, try a different sata port if you have the option or a different sata cable all together.

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