Lenovo Ideapad S340/S540

Lenovo s340 & s540 Big Sur OpenCore

Lenovo Ideapad S340/S540

SYSTEM

Processor: Intel Core i5-8265U (Whiskey Lake)
Memory: 4GB Soldered 4gb
Graphics: Integrated Intel UHD Graphics 620
Wireless Network: Broadcom BCM94322
Audio: Realtek ALC257
Camera: Inbuilt

Tested on bigsur beta 11.1 (20c5048k)

For automatic updates use “SecureBootModel=Disabled” in the config.plist

What\’s working:

  • Wi-Fi/Bluetooth (Broadcom BCM94322) ✅
  • USB Ports, USB-C ✅
  • Keyboard ✅
  • Trackpad, gestures. ✅
  • Audio, Headphones ✅
  • Internal graphics with fill acceleration. ✅
  • Control brightness, sound and touchpad via keyboard keys ✅
  • Sleep ✅
  • Sleep and Wake with Lid Open and Close ✅
  • Battery Status ✅
  • Inbuilt Camera ✅
  • CPU & Fan Control ✅
  • Handoff ✅
  • HIDPI (Make use of one key hidpi with instruction) ✅
  • If suddenly the headphones sound does not work after waking up, click. ✅

What\’s Not Working:

  • Card reader. ‼️ (Fixed) ✅
  • HDMI ‼️ (Fixed, like clockwork) ✅

SCEENSHOTS:

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