1. Introduction
This manual provides essential information for setting up, operating, maintaining, and troubleshooting your Lenovo ThinkPad T490 laptop. This unit is a Grade A refurbished model, ensuring full functionality and including necessary accessories. It has undergone rigorous testing to meet quality standards.

Figure 1.1: Front view of the Lenovo ThinkPad T490 laptop.
2. Setup
2.1 Unboxing and Initial Inspection
Carefully remove the laptop and all accessories from the packaging. Verify that the power cord and AC adapter are included. Inspect the laptop for any visible damage. As a refurbished unit, minor cosmetic signs of prior use may be present but do not affect functionality.
2.2 Powering On
- Connect the AC adapter to the laptop's USB-C charging port and then to a power outlet.
- Open the laptop lid.
- Press the power button, typically located on the top right of the keyboard deck, to turn on the device.
- Follow the on-screen instructions to complete the initial Windows 11 Professional setup.
2.3 Connecting Peripherals
The ThinkPad T490 offers various ports for connecting external devices:
- USB-C Ports: Two USB-C ports are available for charging, data transfer, and connecting compatible accessories.
- HDMI Port: Connect an external display or projector using an HDMI cable.
- Ethernet Port: For a stable wired network connection.
- SD Card Slot: Insert an SD card for additional storage or data transfer.
- 3.5mm Audio Jack: For headphones or external speakers.

Figure 2.1: Side view of the laptop highlighting available ports.
3. Operating Instructions
3.1 Display
The laptop features a 14.0-inch Full HD (1920x1080) IPS anti-glare display with 250 nits brightness, providing clear visuals and reducing reflections.
3.2 Keyboard and Pointing Devices
The ThinkPad T490 includes a standard QWERTY layout keyboard, a TrackPoint pointing stick, and a multi-touch touchpad for navigation and input.
3.3 Fingerprint Scanner
For enhanced security and quick login, utilize the integrated fingerprint scanner. Register your fingerprint through the Windows settings for biometric authentication.
3.4 Battery Management
The laptop is equipped with a Lithium-Ion battery. To optimize battery life, adjust power settings in Windows and disconnect the charger once the battery is fully charged for prolonged periods of use.
4. Maintenance
4.1 Cleaning
Use a soft, lint-free cloth to clean the screen and exterior surfaces. For stubborn marks, dampen the cloth slightly with water or a screen-safe cleaner. Avoid harsh chemicals or abrasive materials.
4.2 Software Updates
Regularly check for and install Windows updates to ensure optimal performance, security, and access to the latest features. Navigate to Settings > Windows Update to manage updates.
4.3 System Performance
To maintain system speed, periodically clear temporary files, uninstall unused applications, and ensure your storage (256GB SSD) has sufficient free space.
5. Troubleshooting
If you encounter issues with your ThinkPad T490, consider the following steps:
- Power Issues: Ensure the AC adapter is securely connected and the power outlet is functional. If the laptop does not turn on, try holding the power button for 10-15 seconds to perform a hard reset.
- Slow Performance: Check for excessive background applications in Task Manager (Ctrl+Shift+Esc). Ensure Windows and drivers are up to date.
- Display Problems: If the screen is blank or flickering, try connecting an external monitor to determine if the issue is with the laptop's display or graphics card.
- Connectivity Issues: For Wi-Fi or Ethernet problems, restart your router and the laptop. Verify network settings in Windows.
- Peripheral Recognition: If a USB device or SD card is not recognized, try a different port or restart the laptop. Ensure drivers are installed if required.
For persistent issues, refer to the Lenovo support website or contact the vendor for assistance under the warranty terms.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | Lenovo |
| Model Name | Thinkpad T490 |
| Processor | Intel Core i5-8365U (8th Gen, Quad-core, 1.6 GHz, up to 3.9 GHz) |
| RAM Memory | 16 GB DDR4 2400MHz (8GB soldered + 8GB DIMM) |
| Storage | 256 GB PCIe-NVMe SSD |
| Display | 14.0" FHD (1920x1080) IPS Anti-Glare, 250 nits |
| Graphics | Intel UHD Graphics 620 (Integrated) |
| Operating System | Windows 11 Professional 64-bit (Originally Windows 10 Pro) |
| Ports | 2x USB-C (including Thunderbolt), HDMI, Ethernet, MicroSD, 3.5mm Audio |
| Wireless Connectivity | Wi-Fi (802.11ac), Bluetooth, 4G Cellular (if equipped) |
| Webcam | Yes |
| Battery | 3-cell Lithium Ion, 42 Watt Hours |
| Dimensions (L x W x Th) | 13" x 8" x 1" |
| Item Weight | 2.13 Kilograms |
| Keyboard Layout | QWERTY |
| Special Features | Anti-Glare Coating, Fingerprint Scanner |
7. Warranty and Support
This refurbished Lenovo ThinkPad T490 comes with a 90-day limited warranty. For warranty claims or technical support, please contact the vendor from whom the product was purchased. Keep your purchase receipt as proof of purchase.







