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I felt my PC was bit slow than the performance when i bought it, I even re installed my OS WIN7 .When I start my PC there is no display but all the fans work properly,all the lights in motherboard glows but no display.I cleared the CMOS by Removing the battery for 10 minutes and I also removed...

dear guys, i have a old Intel Pentium 4 Processor 2.66 GHz, 1M Cache, 533 MHz FSB.its work.but someday ago when i start pc then the processor heat but cant giving display.in same mobo i changed processor with same config then display came.i also change ram but no display.i already clean the...