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Hmm. I wouldn't have thought it had anything to do with pressing the button. It sounds more like a failing power supply or lack of current for startup. Did you make sure you plugged the power into the video card power connector (if it has one)? I know it worked ok at first but a heavier load can cause older or under-rated power supplies to fail soon after. Just a thought.
So reformat a computer that can't access the hard drive, interesting trick. I believe the OP said the machine hangs in limbo with Power Lights on, I assumed the Lights are on, but no one is home, sort of like some of these solutions. Why am I not paid millions of dollars for being the smartest man alive?
I also had this problem. I turned it off and it would not turn on. I found the solution. First, extend the laptop screen as far back as it will go. Don't just stop the screen at a ninety degree angle. My laptop screen pulls back to about 135 degrees. Now press the power button. It should start up.
Why do I think this works? Well...I used to own an older model thinkpad that had a short "male" connector on the screen, that when the screen was folded down would enter into a "female" connector on the base of the unit and trigger sleep mode on the unit. This is how the system could automatically hibernate when the screen was closed. The little male connector broke off, and I couldn't get the system to wake up, because the connection to tell the laptop that I had the screen up or down no longer worked. I couldn't even power it up. I had to take an ink pen and push the connector through the female end to indicate to the motherboard that I'd opened the screen before it would even turn on.
It appears that the same type of mechanism is built into the long BAR under the screen of the NV52 and somehow it can't determine when the screen is open or closed. If it detects that the screen has not been opened, it won't power up. This safeguard prevents the laptop from being turned on mistakenly while closed up in your laptop bag. Extending the screen back resets the mechanism and it should turn on. Sorry for the long explanation...
Same here, your light went out if you put a VERY bright light on you'll be able to see something on the screen if you plug it up to your computer, if you are getting a new one go dell its worth it becase they last and are durable.
My motherboard was replaced twice by the gateway people. Luckily I bought it at costco and it has a two year warranty through them because gateway didn't want to deal with me until costco techies made them. I have the same model and had the same problem
The 4 blinks are telling you that there is a fault. The same as Computer Bios Beeps.
I,d suggest removing the RAM/Memory, and replacing it. Press and hold the power button for more than 4 seconds, to ensure it isn,t in standby mode. failing this remove the cpu and re-seat it as it may be slightly out of position, or out of it,s socket. finally have a look at the back or underside to see if there is a reset switch/hole.