D problem is in a transistor costing little, situated near d monitor's osd control ic (microprocessor), it is probably short....[refer the connection n area around the front panel cn connector and crystal clock generator]..beware u must b a professional
corrigendum: a little bit add n modification:....
in case case of 45Bn & 55V..look for Controller Reset IC201/IC202
(KA7045/KA7045AP) [it is a small alike transistor 3 pin IC !!] along
with the afore said..
and in case of 56V..look for +14V SW. Transistor A1281 & C945 (therein) along with the afore said..
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This problem is generaly releted with +5 volt controler transister whitch is use for giving 5 volt to microproccer.pls change it.
There is not a virus related problem .
There is a problem with your monitors controller IC.try to connect another monitor to you PC. You will be sure about that
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