I have a Dell D600 laptop. It recently refused to start when I pressed its on button. The button blinked for a few seconds, as did the three symbols to its left, which look like padlocks containing a
A and a
A couple of times, I removed the battery, waited a few seconds, then put it back in, and tried again. That strategy worked until yesterday. So I had intended to take it to a shop to get an idea of what's wrong.
I decided to try it once more, on straight battery power, and it turned on with no problems.
I usually turn the computer off every night, but I think I will leave it on all the time, now. What's going wrong here, and what can I do about it?