Most batteries have heat and/or voltage sensors or contacts may be slightly corroded and hence some delayed actions.what? lolGremlins, ghosts, faulty battery sensor or contacts ?
Well, software comes into play only AFTER computer is started.It's not a software problem though right?
For shutting down yes, usually some ill behaving driver.I was thinking there might be something running in the background that is causing laptop to fail at shutting down.Well, software comes into play only AFTER computer is started.It's not a software problem though right?