RB951G-2HnD problem

Hardware MikroTik hardware general
1

Hi
I made Quick Setup on the router. A few minutes later disappears LAN on ether2. Ping no response. On off does not help. Help reset only. Repeated many times.
Settings:
WAN port static: 192.168.0.9/24
Gateway: 192.168.0.2
DNS: 192.168.0.2
LAN: 192.168.1.1
WiFi disabled.
Firmware 5.25

Help please

RB951G-2HnD Lockup
2

problem solved while waiting 2 days for topic approve.
upload 6.1 via winbox. still working.