My Vaio laptop can lose up to 20% battery overnight even when shut down(not hibernating). It seems a known problem see click here and click here but with no real answers. Other than removing the battery has anyone any ideas?
Well I shut it down last night on battery power (100%) removed the battery for a couple of mins then replaced it. Booted up this morning on AC power and it's showing 95% battery level. So it's not the battery. Still can't fathom out what drains it when left in all the time. Wake on Lan is disabled etc. Just another computer mystery then!
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