I've pinpointed the issue which is related to this function of HDDs http://en.m.wikipedia.org/wiki/Power-up_in_standby
Your motherboard doesn't support PM2 and neither does mine.
You should get your old HDD back as it is OK. Windows haven't broke the hardware.
Guys in your shop are lame, sorry.
That's the explanation of what's happening:
HDD gets power (electric current) but stays still instead of spinning (it waits for ATA signal).
If your BIOS doesn't support it (you probably get something like "SATA1 0MB") bootloader can't start so Windows won't work.
On the other hand, Linux supports direct communication with SATA drives so here comes our saviour.
a) One time
You can fix it for one time by booting Linux LiveCD/LiveUSB and rebooting - Linux communicates with SATA drives and spins them - after reboot BIOS will detect your WD drive and so will Windows.
(that is until Windows 10 overwrites the setting again
Follow the instruction and avoid Sleep on 9879.
After you boot your LiveUSB/CD:
1. Open Terminal (Ctrl+Alt+T or Ctrl+Alt+F1 or just click the icon)
sudo hdparm -iI /dev/sd?
sudo hdparm -s0 /dev/sd?
hdparm is a Linux tool for configuring HDDs.
First command displays some info (look for Power-up in Standby on the list - Shift+PgUp to scroll the output).
Second commands sends disable command to that feature.
'?' in commands should work as a wildcard but if it doesn't use 'ls /dev/sd*' to find the letter of the HDD (it usually is either /dev/sda or /dev/sdb - but sometimes can even happen to be /dev/hda)
Credits go to T61T9300 -
I couldn't find that command
Here comes the explanation of what happens in there from the author of HDAT2 http://www.hdat2.com/hdat2_faq.html#q19
I'm happy to make your 'bricked' HDDs working fine again.