DVR NOT WORKING

[pontsho]

i am having a problem with DVR. When i switch on the machine after a while it powers off on its own and sometimes doesn’t come on when you power it. Right now the whole system is off (CCTV camera),

 

[zdbc13]

Take it to a repair shop.

 

[pontsho]

Take it to a repair shop.

Help to troubleshoot the problem.
there was a dust in the processor but i manage to blow all the dust in the server, i even scan it using avast boot-up scan