Thanks!Amir

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You are right! Maarten Dekkers
if you want to check the battery,better way is to replace new battery, because sometime old battery showing you Good voltage but it can not deliver required current.There can be many other reasons involved for this type of faults.

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Thanks! Waleed,
By shorting ATX SMPS PS_ON signal(Green Wire) with ground (Black wire) if SMPS FAN is spinning it confirms most of time in 85% cases SMPS working OK.

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Albert, this CPU Socket is very delicate,
Pins can easily gets damaged while cleaning & very difficult to put it in line or repair without microscope.But most of the time culprit is CPU Contacts if no one tempered CPU Socket Before.

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Thank You! Sir

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