Solve : monitor issues??

1.	Solve : monitor issues??
Answer» [SIZE=12][/size] I am attempting to boot up my HP desktop. Upon powering up.. a screen COMES up offering f4, f10, and esc, then screen goes BLANK.. cursor left top corner. This is not the first time this has happened.. last time I fixed it but seems as if it was not a permanant fix and I forgot what I did anyway. ANY help is appreciated.. THANK YOU!!MUCH more info on your system specs;OS and what happened PRIOR and someone will be along shortly to assist...

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