Laptop HP Battery Alert: Primary (internal) Battery (601) - HP Support Community - 8005382
How to Fix HP Battery Alert 601 - YouTube
HP Notebook PCs - 601 or 60X Error Displays on a Black Screen | HP® Customer Support
Solved: Primary (internal) battery error "601" - HP Support Community - 4212646
Disable HP laptop battery error 601 warning message on all HP laptops | P&T IT BROTHER - Computer Repair Laptops, Mac, Cellphone, Tablets (Windows, Mac OS X, iOS, Android)