After Cpu installing and putting thermal past on cpu and back all componets back to pc and cables to componets, i turned on pc and fans started to spin but black screen on monitor.
Mbo:Gigabyte ga-h61m-s1
Cpu:i5 2500 3.3ghz
Gpu:sapphire hd7790 2gb oc
Ram:kingstone 1066mhz
Psu:cooler master b600 v2
Hdd:western digital 250gb sata 2
Yesterday everything was okay with old cpu celeron g530 2.4ghz
Mbo:Gigabyte ga-h61m-s1
Cpu:i5 2500 3.3ghz
Gpu:sapphire hd7790 2gb oc
Ram:kingstone 1066mhz
Psu:cooler master b600 v2
Hdd:western digital 250gb sata 2
Yesterday everything was okay with old cpu celeron g530 2.4ghz