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HP 800 G1 TWR
Microsoft Windows 11

I'm having problems with my Desktop PC "HP Elitedesk 800 G1 TWR". The motherboard has 4 RAM slots, I was using 16 GBs of Ram (4GB x4) . Up until I had to de-assemble the Tower components due to dust cleaning & adding of new Thermal paste. Now only 2 of my RAM slots work, when I insert to the other two that's not working, I hear a beep loop sound that plays two times, then the sound and spinning of the fans start to increase as if it's about to explode.

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