Network scanner is not accessible

Problem: Some users cannot ping and access status to network scanner (iR3300)

The cause of problem was network switch - once it was restarted (unplugged from the power and re-plugged) it worked ok. Scanner and the other user are connected to the switch. PC which was not connected to the switch worked with scanner OK the whole time.

Asus PC keeps freezing

Problem: Windows freeze frequently during start-up, during work and always on shutdown

The cause was audio driver
and enabled settings in BIOS for:

Onboard devices configuration
Azalia Controller