Not switching to battery when mains switched offSony Vaio SVE151J11M using Windows 8.1. Original battery expired, replaced. Vaio Control Centre says new battery is in excell...
Answer to: Not switching to battery when mains switched offI stumbled across a solution. Sony cunningly build in a stopper to persuade users that non-Sony batteries will not work. Open 'Task Manager', go to 'Start up', run down the list to find 'ISB Utility' and disable it. My non-Sony battery is now working just fine.