Hinges: Left vs. Right, Metal vs. Plastic
Hinges bear the entire weight of the display lid – a component that wears out unnoticed until it starts to wobble.
Left and Right Hinges – Not Interchangeable
In the vast majority of laptops, the left and right hinges have a mirrored, not identical, design. These are different spare parts with different Part Numbers, despite their outward similarity.
Metal vs. Plastic Hinges
Some models feature a metal hinge frame with a plastic casing, while others have an entirely plastic construction. Metal hinges are generally more durable, but replacement is only possible with the same type intended by the specific model's design.
Signs of Worn Hinges
- The lid does not stay open on its own; it falls under its own weight.
- Cracking or squeaking when opening/closing.
- Cracks in the plastic casing around the hinge due to excessive stress.
Common Customer Misconceptions
- "The hinges look the same on the left and right" – They are structurally mirrored and cannot be swapped.
- "I'll tighten the screws and it will be like new" – If the hinge's axle or mechanism itself is worn, tightening the screws will not restore the rigidity of the lid's fixation.
How to Choose Hinges from Us
Specify the exact laptop model and which hinge (left/right/both) needs replacement.
Lenovo ThinkPad T480 Original Scharniere links und Recht Set AM169000320 Kompatibilität ungeprüft
Lenovo ThinkPad T460s Display Scharniere Set L/R SH50E50294 SH50E50292 Kompatibilität ungeprüft
Lenovo ThinkPad X390 X395 Display Scharniere Set L/R SH50A39301 SH50A39302 Kompatibilität ungeprüft
LENOVO ThinkPad T14 T490 T495 Scharniere links & rechts AM1AC000110 AM1AC000210 Kompatibilität ungeprüft