Hi dear, i have a lenovo Z560(core i3-4GB RAM-without dedicated VGA). and i have complicated problem with that. it's running as well with power and also with battery. i turn it off, restart, sleep and replace the battery and it's OK but after 2 or 3 hour it's not start at first time, but when i switch the power for several time and replug the power to it it's start as well. I really need help because here that i live there is no lenovo branch..

Hi,

Welcome to FixYa! I'm really sorry that you are encountering that kind of problem. It's really an inconvenience for you if you always do that everytime you use your computer. Please follow these steps to isolate the problem.

1. Removed the battery and connect the laptop directly to the power outlet.

2. Monitor the laptop if it will act the same way.

3. If it's the same, try to use the laptop with just the battery alone.

4. Monitor the laptop again.

5. If it's still the same, you will need to contact lenovo to check the laptop because there's a possibility that the problem is with the power supply inside the laptop or the Motherboard itself.

Hope this information will help. Thank you for using FixYa!