General Computer Questions

how do i unblock maplestory from firewall?

I am currently using 1gb ddr2 667mhz ram and having an idea of upgrading. can i buy a 2gb ddr2 and add to 1gb or i have remove 1gb before adding the 2gb.Does it cause any problem or damage to PC if we use uneven rams?

when ever i switch on my pc one pop up menu is coming it says ‘the computer must be restarted before updating can continue’ when i click yes the computer is restart again and again pop up menu is coming wat can i do?

fried computer ? – i just bought a brand new dell. i live in europe so i checked the voltage to make sure i could plug it in. well apparently i there was a little switch that changes the voltage even though it said 115-230. so i plugged it in and there was a loud [...]