Boot Device not found, hard disk 350

[Crystallynnmcc]

Got refurbished computer, turned on and got a “Boot device not found, please install an operating system on your hard disk. 
Hard disk (350) “

I went to the link it provided, www.hp.com/go/tech center/startup 

but didn’t have much success, I was hoping someone could help me through the steps and put it into terms I can understand. Thank you! 

[Lil_Boy_Blue]

Hi

Perhaps start here...........

https://support.hp.com/us-en/product/hp-stream-11-r000-notebook-pc/8499339/manuals

Next:- Turn off the computer, press and hold the PWR button for 4 seconds.

Then - Leave only keyboard and mouse connected, disconnect all externally connected
devices such as Docking Station, USB storage devices, displays, and printers.
Unplug the AC adapter from the computer.

Next - Press and Hold the Power button for 15 seconds to Hard Reset.
Rinse and Repeat; Re-Connect the AC adapter.

NOW begin checking/testing/proving the Hardware is fit for purpose.
Power on your PC, press ESC (repeatedly), then F2 at the prompt.
Choose System Tests (Fast Test does a 4 minute hardware check).

The error message is    3F0   or     350   ??

[Crystallynnmcc]

When I did that, it didn’t have a hardware check option only system and security checks. 
And it’s 3F0

[Lil_Boy_Blue]

Hi

Failed / Dead Hard Disk drive.

Replacement required.

Is it some thing you would/could attempt or a local repairer?

#######

However if it just missing an operating system...

https://www.microsoft.com/en-us/software-download/windows8iso

https://www.microsoft.com/en-us/software-download/windows10

Yet again something you could/would attempt?

https://support.hp.com/gb-en/product/hp-stream-11-r000-notebook-pc/8499339/manuals

Strictly speaking it does not have a conventional Hard Disk, but eMMC memory.

EG:

Equipped with an Intel Celeron N3050 1.60-GHz (SC turbo up to 2.16-GHz) dual core
processor (1600-MHz FSB, 2.0-MB L2 cache, 4.0 W), 2.0-GB of system memory, 64-GB of
eMMC system storage, and a non-Windows operating system   830815-001

OR
Equipped with an Intel Celeron N3050 1.60-GHz (SC turbo up to 2.16-GHz) dual core
processor (1600-MHz FSB, 2.0-MB L2 cache, 4.0 W), 2.0-GB of system memory, 32-GB of
eMMC system storage, and the Windows 10 Professional operating system   830814-601

ELSE a BIOS option??

Could you return it for a refund?

If in doubt please ask.