For Atheros cards, roll back to driver version 10.0.0.321. Newer drivers break connectivity. Disable “Allow the computer to turn off this device” in Power Management.
Steps:
| Component | Typical Driver Name | Why It’s Critical | |-----------|---------------------|--------------------| | | Intel Chipset Driver 9.x | Enables USB, PCIe, and core system functions. | | Graphics | Intel HD Graphics (Gen 2/3) | Proper screen resolution, video playback, and external display. | | Audio | Realtek High Definition Audio | Sound from speakers, headphones, and microphone. | | Network (LAN) | Realtek PCIe FE / GbE Family Controller | Wired internet access. | | Wireless (Wi-Fi) | Atheros / Intel Wireless LAN driver | Wi-Fi connectivity. | | Bluetooth | Broadcom / Intel Bluetooth Driver | Wireless peripherals, file transfer. | | Touchpad | Synaptics or Alps Pointing Device | Gestures, scrolling, cursor control. | | Function Keys | Sony Shared Library + Sony Firmware Extension Parser | Fn+F keys (brightness, volume, sleep). | | Memory Card Reader | Realtek PCIE CardReader | SD/MS card access. | | Webcam | Chicony or OmniVision Camera Driver | Integrated camera for video calls. | | Sony Utilities | Sony Notebook Utilities, VAIO Event Service | Battery care, power management, OSD. | drivers sony vaio pcg 71911m drivers full
Where to find them: Archive.org’s “Sony Vaio SVE151 Driver CD ISO”. For Atheros cards, roll back to driver version 10