1. no power check the power line on outlet as well us ac cord on your system unit, check power supply unit by swapping a good one.
2.beeping more often its related on random access memory (RAM) try to clean the RAM.
3.no display check power cable on monitor if there is power on monitor try also cleaning the RAM. or replace a good one.
4.blue screen this problem mostly cause a bad RAM sometimes a bad hard disk drive or change a good ram.
5.cannot open a webpage it display connection cannot be trusted. this problem more often cause by a bad cmos battery replace a new one then set your time and date to current....
thank you......hope it helps....
image credit to: http://www.istockphoto.com/photo/repair-of-a-computer-6987665?esource=SXC_Premium_Search_Top
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