Lenovo ThinkPad X13 Gen 4 AMD Microphone Not Working Windows 11 The built-in microphone on your Lenovo ThinkPad X13 Gen 4 AMD does not pick up any sound during Teams or Zoom calls – callers cannot hear you, or the microphone shows no activity in the sound input levels. The F4 microphone mute key is…

HP Spectre x360 14 Intel Arc A370M Not Detected Windows 11 The Intel Arc A370M discrete GPU on your HP Spectre x360 14 does not appear in Device Manager under Display Adapters – only Intel Iris Xe or Intel Arc integrated graphics is listed. Applications use only integrated graphics and performance in GPU-accelerated tasks is…

ASUS ExpertBook B9 B9403 WiFi Dropping on Battery Windows 11 WiFi on your ASUS ExpertBook B9 B9403 disconnects or becomes unreliable when unplugged from AC power – websites time out, VPN drops, and email stops syncing while on battery, but everything works fine when the charger is connected. Windows 11 power management is reducing the…

The Realtek RTL8822BE is a WiFi 802.11ac PCI-E card that supports both 2.4GHz and 5GHz bands, but many users find it keeps connecting to 2.4GHz only, or the 5GHz option disappears from the network list. This guide covers the driver install, the 5GHz fix, and the common errors this specific card causes on Windows 10…

Samsung Galaxy Book4 Ultra Intel Arc A570M Driver Issue Windows 11 The Intel Arc A570M on your Samsung Galaxy Book4 Ultra shows Code 43 in Device Manager, games do not use the discrete Arc GPU, or performance is below expected after a Windows 11 update that replaced the Samsung-optimized Arc driver with a generic Intel…

ASUS VivoBook 15 OLED Keyboard Backlight Not Working Windows 11 The keyboard backlight on your ASUS VivoBook 15 OLED does not respond to Fn + F7 – pressing the key combination does nothing, or the backlight turns on once but resets to off after restart. The backlight worked before a Windows 11 update that removed…

Lenovo ThinkPad E16 Gen 1 AMD Webcam Yellow Tint Windows 11 The webcam on your Lenovo ThinkPad E16 Gen 1 AMD shows a yellow or warm tint during video calls – skin tones look orange, white backgrounds appear cream-colored, and the overall image looks much warmer than the actual scene. Teammates on Teams or Zoom…

HP OMEN 16 Intel RTX 4070 Power Limit Throttling Windows 11 Your HP OMEN 16 with RTX 4070 throttles during demanding games – GPU-Z shows power limit percentage climbing to 100 percent, clocks drop from 2400MHz to 1800MHz, and frame rates dip unexpectedly. The RTX 4070 is hitting its TGP limit set by the OMEN…

Acer Aspire 3 Slim WiFi Not Connecting to 5GHz Windows 11 Your Acer Aspire 3 Slim sees the 5GHz WiFi network in the list but cannot connect, or the 5GHz network does not appear at all while 2.4GHz networks show fine. Some Aspire 3 Slim variants use Realtek adapters that need driver configuration or updates…

Dell Latitude 9440 2-in-1 Thunderbolt 4 Dock Not Working Windows 11 Your Thunderbolt 4 dock does not work when connected to the Dell Latitude 9440 2-in-1 – connected monitors show no signal, USB devices on the dock are not detected, and the dock power delivery does not charge the laptop. The Thunderbolt connection requires specific…