Lenovo IdeaPad U300 U300s U400 User Guide
Summary
Master your Lenovo IdeaPad U300/U300s/U400 laptop with this comprehensive user guide. This essential manual provides detailed instructions for new owners, covering initial setup, navigating hardware features, and maximizing system functionality. You will learn about basic operations like using the touchpad and keyboard, establishing both wired and wireless connectivity, and utilizing advanced tech (e.g., Rapid Boot, Quick Charge). Perfect for users seeking efficient mastery of their Windows PC to ensure optimal performance from day one.
Page 1 Text Content
Idea Pad U300/ U300s/U400 User Guide V1.0
New World. New Thinking.TM www.lenovo.com
Read the safety notices and important tips in the included manuals before using your computer.
V1.0_en-US
Page Summary Contents For Lenovo IdeaPad U300 U300s U400 User Guide
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Idea Pad U300/ U300s/U400 User Guide V1.0 New World. New Thinking.TM www.lenovo.com Read the safety notices and important tips in the included manuals before using your computer. V1.0_en-US
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Notes Before using the product, be sure to read Lenovo Safety and General Information Guide first. Some instructions in this guide may assume that you are using Windows® 7. If you are using other Wind...
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Contents Chapter 1. Getting to know your computer.......................................................1 Top view.........................................................1 Left-side view ...............
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Chapter 1. Getting to know your computer Top view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ...
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Chapter 1. Getting to know your computer Integrated camera Use the camera for video communication. (Select models only) Wireless module The built-in antennas ensure optimal reception of wireless radio...
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Chapter 1. Getting to know your computer Left-side view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ...
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Chapter 1. Getting to know your computer Headphone mic Connects to the headset. combo jack Attention: Listening to music at high volume over extended periods of time may damage your hearing. Fan louve...
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Chapter 1. Getting to know your computer Right-side view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
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Chapter 1. Getting to know your computer RJ-45 port This port connects the computer to an Ethernet network. Note: For details, see “Wired connection (U300/U400)” on page 21. Headphone mic Connects to ...
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Chapter 1. Getting to know your computer Front view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ...
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Chapter 2. New Features Rapid Boot (Select models only) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ...
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Chapter 2. New Features Hybrid Power Supply (For Idea Pad U400 series only) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - A hybrid power supply system incorporates a power adapter and ba...
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Chapter 3. Learning the basics First use - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
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Chapter 3. Learning the basics To wake the computer, do one of the following. Press the power button. Press any key on the keyboard. Shutting down your computer If you are not going to use your comput...
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Chapter 3. Learning the basics Using AC adapter and battery - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ...
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Chapter 3. Learning the basics Using the touchpad - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ...
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Chapter 3. Learning the basics Using the keyboard - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ...
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Chapter 3. Learning the basics Hotkey Using Hotkey The hotkeys are located on the function key row on the keyboard. You can access certain system settings quickly by pressing the appropriate hotkey. M...
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Chapter 3. Learning the basics Setting the Hotkey Mode By default, the hotkey functions are accessible by pressing one single function key (F1~F12). However, you can disable the Hotkey mode in the BIO...
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Chapter 3. Learning the basics Connecting external devices - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
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Chapter 3. Learning the basics Special keys and buttons - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ...
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Chapter 3. Learning the basics System status indicators - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ...
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Chapter 3. Learning the basics Securing your computer - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ...
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Chapter 4. Connecting to the Internet As a global network, the Internet connects computers worldwide, providing services such as e-mailing, information searching, electronic commerce, Web browsing and...
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Chapter 4. Connecting to the Internet Wireless connection - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ...
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Chapter 5. One Key Rescue system One Key Rescue system - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
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Trademarks The following terms are trademarks or registered trademarks of Lenovo in the United States, other countries, or both. Lenovo Idea Pad One Key Microsoft and Windows are trademarks of Microso...
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Index AC adapter One Key Rescue system button ..............................23 Using................................................................ Password Battery Using ...............................
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Notes Before using the product, be sure to read Lenovo Safety and General Information Guide first. Some instructions in this guide may assume that you are using Windows® 7. If you are using other Wind...
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Lenovo Idea Pad U300/U300s/U400 User Guide V1.0 New World. New Thinking.TM www.lenovo.com Read the safety notices and important tips in the included manuals before using your computer. V1.0_en-US
Manual Details
| Brand | Lenovo |
|---|---|
| Pages | 31 |
| File Size | 7.28 MB |
| Published | June 05, 2026 |
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Frequently Asked Questions
If my product isn't working correctly, how do I get technical support?
Do not return it to the store; call a Lenovo specialist at toll free 1-877-4 LENOVO or use http://consumersupport.lenovo.com.
What should I be careful of when closing the display panel?
Do not open the display beyond 130 degrees, and avoid leaving pens or objects between the panels to prevent damage.
Does this user guide work if I am not using Windows 7?
The manual assumes Windows 7, but note that operations for other operating systems may differ or may not apply at all.
Which IdeaPad model includes the Hybrid Power Supply feature?
The Hybrid Power Supply is available specifically for the IdeaPad U400 series only.