I left PC to hibernate and when I returned it would not wake up and only a clicking noise from the HDD...the PSU, CPU and graphics card fans run but nothing else I initially thought PSU and tried another working one and nothing just the still the same symptoms...I have removed everything except the memory and CPU and still nothing...
My specifications
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Model Name : GA-Z68AP-D3(rev. 1.0)
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M/B Rev : 1.0
BIOS Ver : ?
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Graphics card : Model : Nvidia GTX 506 Ti
CPU Brand : Intel Model : Intel Core i5 2500K unlocked s
Operation System : Windows 7
Memory Brand : Type :8GB 2x4GB CML8GX3M2A1600C9 LP
Power Supply : 650W
any assistance would be greatly appreciated