Why does my power button start blinking afer my Dell sits idle for about 30 minutes?

My power button starts blinking when my Dell sits idle. The only way to restart is to hold the button in unitl the Computer shuts down. Then I have to push the button again. What could cause this? Am I shortening the life of my Dell by turning it off and on 3 or 4 times a day? My friends told me to get a MAC, if only I had listened.Why does my power button start blinking afer my Dell sits idle for about 30 minutes?its in sleep mode, i needs to cool down if it is on for a long period of time do NOT get a mac....i hate those..... if you dont want to keep rebooting the computer i would suggest an Acer, i have that and the only thing you have to do is jiggle the mouse or click a key on the keyboard. and it wakes up. but im sure other computers do the same thing... i dont think you are lessening the lifespan of your computer by rebooting it. but i would just suggest if you ARENT using it to just turn it off. it saves electricity.Why does my power button start blinking afer my Dell sits idle for about 30 minutes?it's in sleep mode. if your keyboard has an "awake" button, press that. or try hitting the space bar or shift key a few times to wake it up.Why does my power button start blinking afer my Dell sits idle for about 30 minutes?Ok friend, first its going into a hibernation or sleep mode you should be able to push the power button once and it should turn it back to your desktop or your account locked(put your pass in again to unlock) tell me if that helpsWhy does my power button start blinking afer my Dell sits idle for about 30 minutes?
**** macs! No it goes into idle and the blinking is normal try mashing the space bar or moving the mouse to get it out of sleep mode.

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