MacBook sleep

I can not get it to wake without connecting the power supply, after connecting it says there is plenty of power in the battery
Peter Hayes wrote on :

Anyone else have the same problem? I'm using my MacBook on battery & let it sleep then I can not get it to wake without connecting the power supply, after connecting it says there is plenty of power in the battery, over 2 hours after the last sleep.

Pete H

Jon B replied on :

Peter Hayes sphnospam@redacted.invalid wrote:

Anyone else have the same problem? I'm using my MacBook on battery & let it sleep then I can not get it to wake without connecting the power supply, after connecting it says there is plenty of power in the battery, over 2 hours after the last sleep.

Might be the power management wants a reset, see

http://support.apple.com/kb/HT1411

for further details.