Is it safe to place the HP ProBook 4530s on my lap or on a soft surface like a pillow?
No, you should not place the computer directly on your lap or on soft surfaces such as pillows, rugs, or clothing. These surfaces can obstruct the computer's air vents and cause heat-related injuries or overheating. The computer should only be used on a hard, flat surface. (Page 3)
From the official HP Probook 4530s Notebook PC manual, page 3
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