Table of Contents
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Contents
About this guide . . . . . . . . . . . . . iii
13IRU8 . . . . . . . . . . . . . . . . . . 1
Front view . . . . . . . . . . . . . . . . . . 1
Primary and secondary displays . . . . . . . 2
Speakers . . . . . . . . . . . . . . . . 2
ToF (time-of-flight) sensor . . . . . . . . . . 2
Infrared LED . . . . . . . . . . . . . . . 2
Infrared camera . . . . . . . . . . . . . . 2
Camera . . . . . . . . . . . . . . . . . 2
Camera light . . . . . . . . . . . . . . . 2
Laser safety information . . . . . . . . . . . 2
Left view . . . . . . . . . . . . . . . . . . 3
Battery charging light . . . . . . . . . . . . 4
Novo button hole . . . . . . . . . . . . . 4
Right view . . . . . . . . . . . . . . . . . . 5
Power light . . . . . . . . . . . . . . . . 6
Bottom view . . . . . . . . . . . . . . . . . 6
Antennas . . . . . . . . . . . . . . . . 7
Speakers . . . . . . . . . . . . . . . . 7
Specifications . . . . . . . . . . . . . . . . 7
Statement on USB transfer rate . . . . . . . . 8
Operating environment . . . . . . . . . . . 9
Book 9 13IRU8 . . . . . . . . . . . . . . . . 9
Book 9 13IRU8 . . . . . . . . . . . . . 11
Yoga Book 9 Bluetooth KB . . . . . . . . . .
Keyboard switch positions . . . . . . . . .
Keyboard status light . . . . . . . . . . .
Book 9 13IRU8 . . . . . . . . . . . . .
Charging Yoga Book 9 Bluetooth KB. . . . .
The Lenovo virtual keyboard . . . . . . . . . .
Virtual touchpad . . . . . . . . . . . . . .
The bottom virtual touchpad . . . . . . . .
The floating virtual touchpad . . . . . . . .
Hotkeys . . . . . . . . . . . . . . . . . .
The FnLock switch . . . . . . . . . . . .
Lenovo Digital Pen 3 . . . . . . . . . . . . .
Lenovo Pen Settings . . . . . . . . . . .
© Copyright Lenovo 2023
®
connector. . . . . 4
®
connector. . . . . 5
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13
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14
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17
17
Yoga Book 9 13IRU8 . . . . . . . . . . 19
Notebook mode . . . . . . . . . . . . .
Tent mode . . . . . . . . . . . . . . .
Tablet mode . . . . . . . . . . . . . .
Set how the two displays are used . . . . . . .
The User Center app . . . . . . . . . . . . .
Enable cross-screen display . . . . . . . .
screens . . . . . . . . . . . . . . . .
Enable facial recognition . . . . . . . . . . .
System operation modes . . . . . . . . . . .
Rechargeable battery pack . . . . . . . . . .
Normal mode . . . . . . . . . . . . . .
Rapid charge mode . . . . . . . . . . .
Conservation mode . . . . . . . . . . .
Nighttime charge optimization . . . . . . .
Recover full battery capacity . . . . . . . .
The default power plan . . . . . . . . . . . .
Change or customize a power plan . . . . .
Chapter 4. Firmware setup utility . . . 31
firmware setup utility . . . . . . . . . . . . .
button menu . . . . . . . . . . . . . . . .
Set passwords in UEFI/BIOS setup utility . . . . .
Password types . . . . . . . . . . . . .
Set administrator password . . . . . . . .
Set user password . . . . . . . . . . . .
Enable power-on password . . . . . . . .
device. . . . . . . . . . . . . . . . .
Chapter 5. Help and support . . . . . 35
Frequently asked questions . . . . . . . . . .
constantly . . . . . . . . . . . . . . .
when I open the lid . . . . . . . . . . . .
work. What are the possible causes?. . . . .
What is the battery's ship mode. . . . . . .
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