For the last few days my motherboard Foxconn G31-MX is giving me a very bad headache like sound problem every time I start my PC (which sort out by every time restarting it), time problem ( I have changed the CMOS battery so don't tell me to change), problem in software ( like after installation it works perfectly but just after the restart the software doesn't work; telling something (.dll etc) is missing from my PC. Please tell me what to do.