Use Thinkpad Pen Pro (For X1 Yoga Gen 5 Only) - Lenovo ThinkPad X1 Yoga Gen 5 User Manual

Notebook mode Stand mode
Tablet mode
Tent mode

Use ThinkPad Pen Pro (for X1 Yoga Gen 5 only)

The ThinkPad Pen Pro is an electronic pen stored in the pen slot. To use the pen, slide it out of the slot.
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X1 Yoga Gen 5 and X1 Carbon Gen 8 User Guide