eDP cable Lenovo 01YU991 for touchscreen displays

Replacement eDP cable Lenovo 01YU991 for touch screen displays connects a laptop's touch panel to the mainboard, transmitting video and touch signals between the display assembly and system board. Intended as an internal wiring part for compatible Lenovo laptops, this cable is used when the original connector cable is damaged, loose, or failing and touchscreen response or display signal integrity needs restoration.

Advantages

The eDP cable is designed to match the physical and electrical requirements of specified Lenovo touch screen assemblies, enabling stable video transmission and touch data communication. Using a dedicated replacement cable helps avoid intermittent display artifacts, unresponsive touch input, or loss of image caused by worn or broken internal wiring. The cable supports embedded DisplayPort signaling over a compact, flexible assembly suitable for laptop hinge movement and internal routing.

Suitable for

• Repairing laptops with damaged or non-functioning internal display cables
• Restoring touchscreen functionality after connector or cable failure
• Replacing worn or creased display wiring during display assembly servicing
• Workshop use for diagnosis and verification of display and touch signal paths

Key specifications

• Interface type: embedded DisplayPort (eDP) for internal laptop connection
• Function: transmits video signal and touch input data between display and mainboard
• Form factor: flexible flat cable with board-to-board and/or connector terminations suitable for laptop display assemblies
• Compatibility: intended for specific Lenovo touch screen display models requiring this eDP connection
• Durability: designed for repeated hinge movement and internal routing typical in laptop assemblies

How to use

Power off the laptop and remove the battery if possible before beginning. Access the display assembly according to the laptop service manual, carefully detach the bezel and display panel to expose the existing eDP cable connections. Disconnect the old cable from the display panel and mainboard connectors, taking note of connector orientation and any retaining clips. Install the replacement eDP cable by aligning and securing each connector, ensuring firm seating and that no pins are bent. Reassemble the display and bezel, reconnect the battery and power on the laptop to verify display image and touchscreen responsiveness. Follow static-handling precautions and use appropriate tools to avoid damage to delicate connectors and the display surface.

Recommendations

Use the replacement cable only in compatible Lenovo models and follow official disassembly instructions or a service guide. If unsure about compatibility or installation, consult a qualified technician. Avoid bending the cable sharply or trapping it in hinge areas to maintain signal integrity and prolong service life.