Member Avatar for abbas41

i have intel DG31PR i tried installing vista 64 bit as a second OS but it was so pathetic that i had to delete it and come back to my XP.. but when i tried to access network..it gave me a message that i don't have a eathernet device on my board..sound is also gone and no device is detected..i tried installing drivers but they are not of any help..in device manager i can see two PCI devices and an ethernet controller in yellow which comes under other devices..i have tried to upgrade BIOS and firmware of the MB but still im facing same probelm..

I even installed fresh copy of windows but im facing same problem

  • 2 Contributors
  • 1 Reply
  • 92 Views
  • 22 Hours Discussion Span
  • Latest Post Latest Post by caperjack

Dani AI

Generated

Following and the pointer from , here is a focused, practical checklist and troubleshooting flow that addresses disappearing on-board Ethernet and audio without repeating earlier details.

Start with firmware/BIOS and hardware checks. Enter BIOS setup and confirm the integrated LAN and audio are enabled; if unsure, load Optimized Defaults and reboot. Clear CMOS (remove battery for a few minutes) if the board behaves oddly after firmware changes. If the board firmware does not list the devices at all, treat it as hardware/BIOS-level — do not flash the BIOS again without a verified image and power protection.

If BIOS shows the devices, isolate OS vs hardware. Boot a Linux Live USB to see if the NIC and sound are visible outside Windows. In Windows, open Device Manager, right‑click any unknown device and copy the Details -> Hardware Ids value (look for VEN_ and DEV_). Use those IDs to identify the exact component before searching for drivers. Install drivers in this order: motherboard/chipset INF first, then Ethernet, then audio. For a 64‑bit OS be sure to use 64‑bit drivers; unsigned drivers are blocked on 64‑bit Windows — use the advanced boot option to disable driver signature enforcement only for testing.

Additional tips: uninstall the unknown devices, then run Scan for hardware changes. Use View -> Show hidden devices to reveal ghost drivers. Test with a cheap USB Ethernet adapter or USB sound device to confirm whether basic networking/sound works independently of the on‑board devices. If devices are absent in both BIOS and a Live USB, suspect a hardware fault and consider a replacement NIC/sound card or RMA. If devices appear in BIOS/Live USB but Windows still fails after the above steps, collecting and posting the Hardware Ids will point precisely to the correct vendor driver packages.

Be a part of the DaniWeb community

We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, networking, learning, and sharing knowledge.