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‎07-16-2020 06:41 AM

HP Recommended
Product: HP Compaq Elite Tower 8300 CMT
Operating System: Microsoft Windows 10 (64-bit)

LED blinks red light four times and beeps four times it didn`t show any on display all worked properly i turned pc one time and shows errors 162 and 164 i pressed boot and pc turned off and psu sounds like a car engine when i try to turn it on and beeps and blinks. I don`t know what to do.

I upgraded it to i5 3570 and added 4 gigs of ram more (8 total gigs), and  GTX  1060 3GB, it worked perfect for 5 months. And this issue happened.

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