1. Introduction
The Lenovo IdeaPad Flex 5i is a versatile 14-inch Full HD touchscreen 2-in-1 laptop designed for flexibility and performance. It features a 360-degree hinge, allowing it to transform between laptop, tent, stand, and tablet modes. Powered by an Intel Core i5-1235U processor with Intel Iris Xe Graphics, 8GB of LPDDR4X RAM, and a 512GB PCIe SSD, it provides efficient performance for various tasks. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device.

Figure 1.1: Lenovo IdeaPad Flex 5i in traditional laptop mode.
2. Getting Started: Setup
2.1 Unboxing and Initial Charge
Carefully remove your laptop and accessories from the packaging. Before first use, connect the power adapter to the laptop's power port and a wall outlet. Allow the battery to charge fully.
2.2 Powering On and Windows Setup
Press the power button located on the side of the laptop. Follow the on-screen instructions to complete the initial Windows 11 Home setup, including language, region, and user account creation.
2.3 Connecting to Wi-Fi
During Windows setup, you will be prompted to connect to a Wi-Fi network. Select your network from the list and enter the password. If setting up later, click the Wi-Fi icon in the taskbar, select your network, and connect.
2.4 Setting Up Fingerprint Reader
The IdeaPad Flex 5i includes a fingerprint reader for secure login. To set it up, navigate to Settings > Accounts > Sign-in options > Fingerprint recognition (Windows Hello). Follow the prompts to register your fingerprint.

Figure 2.1: Location of the webcam privacy shutter and fingerprint reader.
2.5 Using the Stylus
Your laptop comes with a stylus for enhanced interaction with the touchscreen. Use it for precise input, drawing, or note-taking. The stylus may require a battery (check packaging for details) and can be paired via Bluetooth if applicable.
3. Operating Your Laptop
3.1 Modes of Operation
The 360-degree hinge allows for four primary modes:
- Laptop Mode: Traditional laptop use for typing and productivity.
- Tent Mode: Ideal for watching videos or presentations in confined spaces.
- Stand Mode: Perfect for media consumption or touch-based applications.
- Tablet Mode: Fold the keyboard back completely for a full tablet experience.

Figure 3.1: Laptop in Tent Mode.

Figure 3.2: Laptop in Stand Mode.

Figure 3.3: Laptop in Tablet Mode.
3.2 Keyboard and Touchpad
The laptop features a backlit keyboard. Press Fn + Spacebar to cycle through backlight brightness levels (off, low, high). The precision touchpad supports multi-touch gestures for navigation and control.
3.3 Touchscreen Functionality
The 14-inch Full HD touchscreen supports multi-touch input. Use gestures similar to a smartphone or tablet for scrolling, zooming, and selecting items.
3.4 Webcam and Privacy Shutter
The integrated FHD 1080p webcam is located at the top of the display. For privacy, slide the physical privacy shutter to cover the camera lens when not in use.
3.5 Ports and Connectors
Familiarize yourself with the available ports:
- 1x Thunderbolt 4 / USB-C 3.2 Gen 2: Supports data transfer, Power Delivery 3.0, and DisplayPort 1.4a.
- 1x USB 3.2 Gen 1 (always on): For connecting USB devices, can charge devices even when the laptop is off.
- 1x USB 3.2 Gen 1: For connecting USB devices.
- 1x HDMI 1.4b: For connecting to external displays.
- 1x 4-in-1 Card Reader: Supports various memory card formats.
- 1x Headphone/Microphone Combination Jack: For audio input and output.

Figure 3.4: Side view illustrating the laptop's ports.
3.6 Battery Management
The laptop offers approximately 9 hours of battery life. Utilize the Rapid-Charge Boost feature to gain up to 2 hours of battery life from just 15 minutes of charging.
4. Maintenance
4.1 Cleaning Your Device
To clean the screen, use a soft, lint-free cloth lightly dampened with water or a screen-cleaning solution. For the chassis and keyboard, use a soft, dry cloth. Avoid harsh chemicals or abrasive materials.
4.2 Software Updates
Regularly check for and install Windows updates and Lenovo driver updates to ensure optimal performance and security. Go to Settings > Windows Update to check for system updates.
4.3 Battery Care
To prolong battery life, avoid extreme temperatures and do not leave the laptop fully charged or fully discharged for extended periods. Calibrate the battery periodically by allowing it to fully discharge and then fully recharge.
5. Troubleshooting
5.1 Common Issues and Solutions
- Laptop does not power on: Ensure the power adapter is securely connected and the battery is charged. Try holding the power button for 10-15 seconds.
- Display issues: If the screen is blank, try connecting to an external monitor to check if the issue is with the laptop's display. Adjust brightness settings (Fn + F5/F6).
- Wi-Fi connectivity problems: Ensure Wi-Fi is enabled (Fn + F7 or check Windows settings). Restart your router and the laptop. Update Wi-Fi drivers if necessary.
- Touchscreen unresponsive: Restart the laptop. Check for driver updates for the touchscreen.
5.2 System Restore or Reset
If software issues persist, you may consider using Windows' built-in system restore points or performing a system reset. Go to Settings > System > Recovery for these options.
6. Specifications
| Feature | Detail |
|---|---|
| Model Name | Lenovo Flex 5i |
| Processor | 12th Gen Intel Core i5-1235U (10-Core, 1.3 GHz) |
| RAM | 8 GB LPDDR4X-4266 |
| Storage | 512 GB NVMe M.2 SSD |
| Graphics | Intel Iris Xe Graphics (Integrated) |
| Display | 14-inch FHD (1920 x 1200) IPS Touchscreen |
| Operating System | Windows 11 Home |
| Wireless Connectivity | Wi-Fi 6 (2x2/160) Gig+, Bluetooth 5.2 |
| Ports | 1x Thunderbolt 4/USB-C 3.2 Gen 2, 2x USB 3.2 Gen 1, 1x HDMI 1.4b, 1x 4-in-1 Card Reader, 1x Headphone/Microphone Combo Jack |
| Battery Life | Up to 9 hours (Average) |
| Dimensions (LxWxH) | 8.85 x 12.32 x 0.7 inches |
| Weight | 5.26 pounds |
| Special Features | Fingerprint Reader, Backlit Keyboard, Webcam Privacy Shutter, Stylus Support |
7. Warranty and Support
7.1 Product Warranty
Your Lenovo IdeaPad Flex 5i comes with a standard manufacturer's warranty. Please refer to the warranty card included in your product packaging or visit the official Lenovo support website for detailed terms and conditions specific to your region.
7.2 Technical Support
For technical assistance, driver downloads, or further troubleshooting, please visit the official Lenovo Support website. You can also find contact information for customer service and technical support there.
Lenovo Support Website: https://support.lenovo.com