Good day all. Please help, I have a bit of a dilemma and it might be a quick fix but I'm not sure. My Secondary HDD (not the C drive SSD) spins off and on continuously as soon as the screen backlight turns off and the laptop is still on but it only does it on battery and not when the charger is plugged in. It's weird though as soon as I change my power option to Performance option in Win 10 power options it goesaway and the drive stays on and doesnt spin off but I cant leave it on performance mode as my CPU stays boosted to max and that will eat my battery faster. What I could do and try to stop the HDD from spinning off and on continuously in battery mode on Balanced and Power saver win 10 power settings. On AC mode I dont have a problem but on battery I do. I have disabled APM and I tried to enable it back to factory but still the same issue. Anyone know what it could be causing this issue that's only when I have the AC unplugged. Thanks all, I really appreciate any assistance.