L3 (left stick click) hardware failure
Left analog stick click / microswitch
Source-linkedVerify source — Reddit postOn a Legion Go S (Z1 Extreme, official SteamOS), L3 suddenly stopped registering even though stick movement and the physical click feel remain. SteamOS controller test does not detect L3. Device was never dropped or opened; owner asked whether it is a microswitch/module failure or firmware-related.
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L3 (left stick click) hardware failure
Left analog stick click / microswitch
Months until failure
Not stated
Repair cost
Not stated
Repaired
No
Manufacturer warranty
Not stated
Extended warranty
Not stated
Support helpful
Not stated
Would recommend
Not stated
Confidence
88%
