Hi, the boot loader is corrupted either on the HDD boot drive or eMMC, or you have a bad RAM module Try first do reset the battery by sticking a pin in the small pinhole at the back of the laptop with a battery sign. Press the pin down till you...
The first thing I did was update from BIOS 1.17 to the latest available 1.22 - no change. This would normally be treated as a hardware failure, but the fact it's not consistent makes me wonder. Pressing the battery disconnect button underneath doesn't change anything...