Display Lenovo 04X0379 THINKPAD-S431 THINKPAD-S440 THINKPAD-T440

The Lenovo 04X0379 display is a 14" (35.6 cm) HD replacement screen designed for compatibility with Lenovo ThinkPad S431, S440 and T440 laptop models. This display assembly provides the same physical dimensions and connector alignment as the original part, delivering clear 1366×768 visuals and consistent color reproduction for everyday computing tasks. It is intended as a direct-fit replacement to restore or upgrade the laptop's screen performance while maintaining factory mounting points and bezel alignment.

Advantages

This 14-inch HD panel offers a balance of resolution, brightness and power efficiency appropriate for standard office work, web browsing and media playback. As a compatible Lenovo display, it matches the original mechanical fit and connector type to simplify installation and reduce the need for additional adapters. The unit is produced to meet common durability and quality guidelines for laptop replacement parts, ensuring stable image output and reduced risk of backlight or pixel irregularities when correctly installed.

Suitable for

• Repairing or replacing a damaged screen on Lenovo ThinkPad S431
• Repairing or replacing a damaged screen on Lenovo ThinkPad S440
• Repairing or replacing a damaged screen on Lenovo ThinkPad T440
• Refurbishing laptops intended for office, educational or light multimedia use

Key specifications

• Screen size: 14 inches (35.6 cm diagonal)
• Panel type: HD LCD
• Native resolution: 1366 × 768 pixels
• Aspect ratio: 16:9
• Connector type: model-specific laptop LVDS/eDP connector (compatible with listed ThinkPad models)
• Mounting: factory-compatible mounting holes and bezel alignment for S431/S440/T440
• Surface finish: anti-glare / matte (model dependent)

How to use

Power down the laptop, disconnect the battery and external power before beginning. Carefully remove the bezel and any retaining screws to access the existing display assembly, then disconnect the display cable from the motherboard. Replace the old panel with the Lenovo 14" HD unit, reconnect the display cable and secure the panel with the original screws and bezel. Reconnect the battery and power on the laptop to verify correct operation and image alignment. If the screen shows no image or flickers, recheck the cable connection and seating; consult a qualified technician if necessary.

Recommendations

Use anti-static precautions during installation and avoid excessive pressure on the LCD surface. If uncertain about disassembly or connector compatibility, refer to official service manuals for ThinkPad S431/S440/T440 or seek professional repair services to prevent damage to the new display or laptop circuitry.