Hi! I bought these parts and put everything together. The problem is that only motherboards green light goes on and nothing else happens. I've tried to disassemble and assemble again, but it doesn't seem to help. What should I do next?
Motherboard: P8Z77-M PRO, LGA1155, Intel Z77, DDR3, µATX
RAM: Corsair CMX8GX3M2A2000C9 2 x 4GB, DDR3 2000MHz, 9-10-9-27
Case: SST-ML03B - Milo ML03 Slim HTPC, Micro ATX
SSD: CSSD-F120GB3-BK 120GB Force 3
CPU: Ivy Bridge i5-3570K, LGA1155, 3.4GHz, 6MB, Boxed
PSU: SST-ST50F-ES 500W, Strider Essential, ATX 2.3, 80 Plus
Motherboard: P8Z77-M PRO, LGA1155, Intel Z77, DDR3, µATX
RAM: Corsair CMX8GX3M2A2000C9 2 x 4GB, DDR3 2000MHz, 9-10-9-27
Case: SST-ML03B - Milo ML03 Slim HTPC, Micro ATX
SSD: CSSD-F120GB3-BK 120GB Force 3
CPU: Ivy Bridge i5-3570K, LGA1155, 3.4GHz, 6MB, Boxed
PSU: SST-ST50F-ES 500W, Strider Essential, ATX 2.3, 80 Plus