HP Pavilion Elite m9258 will not boot up. Won't recognise USB ports -mouse keys etc

HP Pavilion Elite M9258
70 percent of the time will not boot up.
Computet light is on. DVD drive will open and shut. Fans sound slightly quieter when this happens.
The monitor comes on but the light goes to  orange. When I press any of the monitor buttons, it flashes a message for a few seconds telling me it is in sleep mode and invites me to move the mouse or press a key to continue
The problem is that the USB ports are not recognised by the computer at this point. The infra red mouse light flashes briefly when the computer is switched on then goes and remains off. The keyboard is also unresponsive.
The sole fix that  I can find is to repeatedly turn the computer off and on again. After 70 -100 attempts ( over 4 to 6 hours) it suddenly boots up normally. The problem began a year ago and is increasing in duration and severity.

panjok2 wrote:
I am having the same problem as Avro500! My computer is the hp pavillon desktop model a6863w. The computer freezes then the keyboard and mouse will not respond and the only thing I can do is shut it down and even then I have to hold the pwer button about 10 sec before it shuts off! I have unplugged all external devices like you told avro500 to do and I did finally get it started but the computer still freezes and it is doing it more often as time goes by! I even paid HP support the $100 dollars (or around that amount) to fix it but it keep happening even after they worked on it but it was after the 7 days or what ever their policy is! They downloaded some security suites and ran their scans! They left Advanced system care, ccleaner and superantispyware on my computer and I was just wondering if they could be conflicting with my paid norton internet security? I have become very flustrated because first off I paid a lot of money for this computer and it's not even 2 years old yet and I also have paid HP a lot of money to fix it and all the guy from India could say to me was "I have been working on this computer and it hasn't froze up so the problem must be fixed!" Well it's not!! and I don't know enough to fix it myself so thats why I paid you a hundred dollars to do it for me! haha thanks for any help!
you have a different model PC. Don't be a thread hijacker. Start your own thread.
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