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I have installed my new PSU by Antec TrueSeries (New) TP-550.<br />
<br />
The problem did not go away, my last hope is the motherboard not capable of running 2 HDD's.<br />
<br />
I have 2 SATA's WD HDD, after a couple of minutes of inactivity of the 2nd HDD I hear this noise as you were to shut down your PC.<br />
<br />
what's going on ?
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I have installed my new PSU by Antec TrueSeries (New) TP-550.

The problem did not go away, my last hope is the motherboard not capable of running 2 HDD's.

I have 2 SATA's WD HDD, after a couple of minutes of inactivity of the 2nd HDD I hear this noise as you were to shut down your PC.

what's going on ?

PC Powers down my 2nd HDD after 20min

A desktop computer is a personal computer designed for use at a single location due to its size and power requirements, usually by one person. The most common configuration has a case that houses the power supply, motherboard, disk storage (usually one or more hard disk drives and optical disc drives); a keyboard and mouse for input; and computer monitor and printer for output. The case may be oriented horizontally and placed atop a desk or vertically and placed underneath or beside a desk.

Desktops

Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media used to retain digital data. In addition to local storage devices like CD and DVD readers, hard drives and flash drives, solid state drives can hold enormous amounts of data in a very small device. Cloud services and other new forms of remote storage also add to the capacity of devices and their ability to access more data without building additional data storage into a device.

Storage

Components are those devices that are internal to a computer -- the PC boards, the central processor (CPU), the memory (RAM), disk and video controllers and so on.