Check your power supply unit. If it is faulty and doesn't give correct currents the disk may not work properly and not detected by the BIOS. Try a spare power supply unit.

Try updating the BIOS and then your motherboard would be more compatible and see the disk without any problem. Change the power cable with another, if available, just in case.

If you find the same drive model (and preferably close date of production with original), with a suitable screwdriver you can swap the circuit board and see if it comes to life. Needless to say that...

Let's think positive :) It is not dead. In worst case it may have lost the partition data and cannot detect your files. There are recovery programs that ignore the partition table and search...

Relax! Windows Update messed with all drivers during upgrade. All you need is to reinstall the SATA controller driver (if applicable) to make Windows see your disks again. IF there is no standalone...