Hello evry1. I have this weird problem with my pc. Whenever there is a voltage fluctuation (jemon AC charle hothat voltage up-down kore) tokhon amar pc display chole jai ar black screen dekhai. amar mouse keyboard kicchu kaj kore nai so finally ami MANUALLY Pc restart mari. Ai shomosha shuru hoise jokhon ami Rahimafroozer akta notun UPS kinsi (I think the UPS is 600VA or similar but definitely 600 lekhata kothao ase). Already akbar Rahimafrooz theke UPS change korse ansilam (Thinking that the prob occured because of UPS) kintu notun UPS o aki jhamela. Tarpor ami akta 3-pin power cable kinsi pc jonno tokhon dekhi ai prob ta ar hoi na. But recently, very occasionaly ai prob ta abar shuru hoise. Plz if any help will be much appreciated. THANK YOU.