Pure Sine Wave

Recently, I have built a new PC with MSI MPG Series A650GF 650W 80 Plus Gold Certified Fully-Modular Power Supply. Can it be possible to use a Modified-Sinewave UPS with this? UPS: https://www.skyland.com.bd/product/power-guard-2000va-ups/ PSU: https://www.msi.com/Power-Supply/MPG-A650GF

I got a new PSU (EVGA Supernova 650 P2) a year or two ago to be able to power a GTX 1080. However, as far as I can tell, ever since then whenever a transformer explodes in my neighborhood (which happens rather often), my PC shuts off, even though it is connected to a CyberPower 1000AVR UPS. The...

So, I have an AsRock G31M-S R2.0 motherboard ( ,which according to the AsRock webpage supports up to 8 GB of RAM, so I bought a set of 8 GB RAM (Kingston KVR900D2N6/4G),two of these, and when I install them screen stays black, if you say that the memory is not compatible, it is in the...