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Lian Li LANCOOL II Mesh C Performance, fan control problems

Joined
Feb 10, 2007
Messages
2,691 (0.42/day)
Location
Oulu, Finland
System Name Enslaver :)
Processor Ryzen 7 7800X3D
Motherboard ASUS TUF Gaming B650-Plus
Cooling CPU: Noctua D15 G2, Case: 2 front in, 1 rear out
Memory 2x16GB Kingston Fury Beast RGB 6000MHz
Video Card(s) ASUS TUF RTX 4070Ti OC
Storage Samsung Evo Plus 1TB NVMe , internal WD Red 4TB for storage, WD Book 8TB
Display(s) LG CX OLED 65"
Case Lian Li LANCOOL II Mesh C Performance
Audio Device(s) HDMI audio powering Dolby Digital audio on 5.1 Z960 speaker system
Power Supply Corsair RM850x
Mouse Logitech G700
Keyboard ASUS Strix Tactic Pro
Software Windows 11 Pro x64
Hello,

I have a new PC since last winter and with the Lian Li LANCOOL II Mesh C Performance case I have this problem:
When I change fan speed from Auto to Full with cases own switch it goes to Full but when switching back to Auto it stays on Full as long as I dont shut down the PC.
I have not touched the cases own fan controller on the backtray of motherboard.
Is this a fault or is this behaviour the same for others ?
 
Joined
Feb 10, 2007
Messages
2,691 (0.42/day)
Location
Oulu, Finland
System Name Enslaver :)
Processor Ryzen 7 7800X3D
Motherboard ASUS TUF Gaming B650-Plus
Cooling CPU: Noctua D15 G2, Case: 2 front in, 1 rear out
Memory 2x16GB Kingston Fury Beast RGB 6000MHz
Video Card(s) ASUS TUF RTX 4070Ti OC
Storage Samsung Evo Plus 1TB NVMe , internal WD Red 4TB for storage, WD Book 8TB
Display(s) LG CX OLED 65"
Case Lian Li LANCOOL II Mesh C Performance
Audio Device(s) HDMI audio powering Dolby Digital audio on 5.1 Z960 speaker system
Power Supply Corsair RM850x
Mouse Logitech G700
Keyboard ASUS Strix Tactic Pro
Software Windows 11 Pro x64
rise and shine
 
Joined
Feb 10, 2007
Messages
2,691 (0.42/day)
Location
Oulu, Finland
System Name Enslaver :)
Processor Ryzen 7 7800X3D
Motherboard ASUS TUF Gaming B650-Plus
Cooling CPU: Noctua D15 G2, Case: 2 front in, 1 rear out
Memory 2x16GB Kingston Fury Beast RGB 6000MHz
Video Card(s) ASUS TUF RTX 4070Ti OC
Storage Samsung Evo Plus 1TB NVMe , internal WD Red 4TB for storage, WD Book 8TB
Display(s) LG CX OLED 65"
Case Lian Li LANCOOL II Mesh C Performance
Audio Device(s) HDMI audio powering Dolby Digital audio on 5.1 Z960 speaker system
Power Supply Corsair RM850x
Mouse Logitech G700
Keyboard ASUS Strix Tactic Pro
Software Windows 11 Pro x64
I think I have to resort to manufacturer email about this problem.
 
Joined
Feb 10, 2007
Messages
2,691 (0.42/day)
Location
Oulu, Finland
System Name Enslaver :)
Processor Ryzen 7 7800X3D
Motherboard ASUS TUF Gaming B650-Plus
Cooling CPU: Noctua D15 G2, Case: 2 front in, 1 rear out
Memory 2x16GB Kingston Fury Beast RGB 6000MHz
Video Card(s) ASUS TUF RTX 4070Ti OC
Storage Samsung Evo Plus 1TB NVMe , internal WD Red 4TB for storage, WD Book 8TB
Display(s) LG CX OLED 65"
Case Lian Li LANCOOL II Mesh C Performance
Audio Device(s) HDMI audio powering Dolby Digital audio on 5.1 Z960 speaker system
Power Supply Corsair RM850x
Mouse Logitech G700
Keyboard ASUS Strix Tactic Pro
Software Windows 11 Pro x64
Support from Lian Li did say I should put fan header into PWM mode in Bios. That solved the issue. Now I can change fan speed switch to any position and it always reacts.
 
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