Disable Closed Lid Mode Macbook Pro

hi all,

have mbp running 10.7.3 hooked external monitor via mini-display port. question is, there way disable computer going closed lid mode when close lid? if power plugged in or have peripheral device plugged in (besides time machine), mbp enter closed lid mode when prefer go sleep.

suggestions?

in advance!!

 

you use smartsleep or > sleep , close lid.

strange though, macs peripherals connected them (usb, firewire, displays) go sleep via closing lid , stay way.
maybe bug of 10.7.3 lista?

have tried smc reset yet?

intel-based macs: resetting system management controller (smc) (apple support site)

if first link not work, apple support pages bit funky these last weeks:
intel-based macs: resetting system management controller (smc) (pdf apple support page resetting smc)​

 

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