Recent content by brownie points

Yeah, I opened the back side and removed a battery, then it worked! It was not so difficult, but removing a back cover took time. Thank you.

I used my laptop yesterday and put it in sleep. Then I tried to turn on today, but it didn't respond. I pushed power button for 10 seconds, and tried 30 seconds, too, but I can't turn on. How can I turn it on? Is this issue for installing windows 10? My mom's laptop was not lenovo, but had an...