Thanks. I have disconnected all external items. I'll re-check all cable connections. Then run the diagnostics. If nothing, then I may be...
Thanks for responding....I re-formatted the entire HDD completely cleaned it off and then re-formated (Took a while.). But it still shuts off....
Recently I uninstalled Defender Pro due to Virus Issues (the antivirus was hiding Trojans), Afterwards my system begin to shut down at startup....
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