# Mount the disks cartridge and close the door.
# Plug the power and power up the PC (either auto-on or pressing power button).
===Check memory (RAM)===
===Check power supply (PSU):===
* Verify the power supply is not damaged and functions properly.
*If you have another power supply use it to eliminate and determine the failing side.
*In case you use other power supply make sure it provides uninterrupted power and stable grounding.