- Mfg defects
- Rough handling
- Upgrading a PC
- Building a PC from scratch.
Installation of a mobo:
- Unplug PC and open the case (observing normal safety precautions)
- Disconnect wires, cable, connectors from the old mobo in the case
- Remove the power supply and drives from the system if they are in the way of removing the mobo
- Unscrew the mobo from the case (or release the clips)
- Store the old mobo in a static-safe bag or box
- Install the new mobo and secure it.
- Reinstall the necessary wires, cables, and connectors
- Close, reconnect the cables and boot the PC