05-06-2017 04:10 PM
05-06-2017 06:03 PM
How cold? Cold-enough to have some frozen water ("ice") on it?
The "risk" is that "room temperature" may cause the ice to liquify, and drip water into the laptop, which is "not a good thing".
Can you remember if the laptop went to "sleep" when you last closed the lid, or did you shut it down?
Opening the lid may cause the "sleep" to end, thus starting-up the computer.
Disconnect the AC power, and remove the battery (if you can), before contemplating to open the lid.
Look/feel for moisture. If you find/suspect any, DO NOT TURN IT ON. Let it "dry out" for a day or two.
05-06-2017 08:09 PM
05-07-2017 09:30 AM
> What would happen if it was in sleep mode?
There is "sleep" mode, and there is "hibernate" mode.
Sleep mode consumes a small amount of electricity, while hibernate mode consumes none, since it is a method for a "fast-boot" of Windows.
If it was, and you opened the lid, it might turn itself on. Any water inside at that time could cause problems.