Lenovo M4400s notebook - Manual (Page 58)

5. Wipe the display again; do not let any liquid drip into the computer.
6. Be sure to dry the display before closing it.
Keep the following in mind:
• Only an authorized Lenovo repair technician should disassemble and repair your computer.
• Do not modify or tape the latches to keep the display open or closed.
44 User Guide