Hello!I have an old system with 3gb of ddr2 ram.Yesterday i came from school and booted up pc,win 10 does some update and pc restarted,when it started up pc keeps beeping and display was black.I know its some problem with ram but i dont know hos ti fix it I cleaned the ram and slots and it keeps beeping!When i go to bios and system info it says there are 3gb of ram installed.I really dunno what to do help me please