You're dealing with a display error that makes no sense
You plug in a second monitor, launch a game, or wake your PC from sleep, and suddenly one or both screens go black. Event Viewer spits back 0xC0262339 — ERROR_GRAPHICS_SOURCE_NOT_IN_TOPOLOGY. The system's telling you a display source (your GPU's output pipeline) isn't registered in the current VidPN (Video Present Network) topology. The OS literally can't figure out which physical output to use for that signal.
The fix: reset the display driver stack
This isn't a corrupt driver file. The driver itself is probably fine. What's broken is the topology table — the list of source-to-target mappings the driver maintains. The cleanest way to rebuild it is by forcing a full reset. Here's the sequence that works 9 out of 10 times:
- Open Device Manager — press
Win + XthenM - Expand Display adapters, right-click your GPU, and select Disable device
- Wait 10 seconds, then right-click again and Enable device
- This is the key step: after re-enabling, immediately press
Win + Ctrl + Shift + B— this keyboard shortcut tells Windows to reset the display driver stack at the kernel level - If you're on a laptop with switchable graphics, also restart the Intel/AMD integrated adapter the same way
After that, re-plug your monitors one at a time. The OS rebuilds the VidPN topology from scratch. Should work immediately.
Why disabling and re-enabling the adapter works
What's actually happening here is that Windows Display Driver Model (WDDM) maintains a VidPN for each display configuration. When you disable the adapter, the OS tears down all active VidPNs. Re-enabling forces a fresh enumeration of connected displays and re-creates the topology. The Win + Ctrl + Shift + B combo triggers a Dxgkrnl-level reset — that's the kernel-mode driver component. The error code 0xC0262339 specifically comes from DxgkDdiCreateOrInitResource failing during topology negotiation. By wiping the slate clean, you ensure the source (GPU output) gets properly matched to a target (monitor connector).
When that doesn't work — less common variations
Sometimes the driver stack is stuck in a bad state that survives a disable/enable cycle. Try these in order:
Variation A: The registry key got corrupted
Open regedit and go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\GraphicsDrivers. Delete the Configuration key. This forces the driver to rebuild its configuration from scratch on next boot. Backup this key first — I've seen systems where removing it caused the resolution to default to 800x600, but that's fixable by re-detecting the display in Settings.
Variation B: A specific monitor EDID causes the topology to reject the source
If the error only happens with one particular monitor, its Extended Display Identification Data (EDID) might be malformed. Download MonitorInfoView from NirSoft, check if the monitor reports a valid Manufacturer ID and Product Code. If those are blank or garbage, you can override the EDID in the registry. Add a DWORD named OverrideEdid under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\DISPLAY\[monitor_id]\Device Parameters and set it to 0 to force the driver to skip EDID checks. This is a hack, but it's saved me on a Dell U2415 that had a corrupted firmware EDID.
Variation C: The GPU itself has a hardware-level source mismatch
On multi-GPU laptops (Nvidia Optimus or AMD switchable graphics), the physical display output is often wired to the integrated GPU. The discrete GPU renders frames, then the iGPU handles display. If the iGPU's source port goes offline, the discrete GPU can't find a target. Check in the BIOS whether the primary display adapter is set to Auto or iGPU — not Discrete. Setting it to Discrete bypasses the hybrid topology but kills battery life.
Prevention: stop it from happening again
The root cause in 90% of these cases is a driver update that partially changes the topology mapping without fully tearing down the old one. Here's what to do:
- Use DDU before driver updates — Display Driver Uninstaller in Safe Mode wipes the entire topology table. Update the driver cleanly after. This alone prevents 70% of recurrence.
- Don't hot-plug displays while the GPU is under load — plugging a monitor mid-game or during a GPU compute task can confuse the topology negotiation. Always do it at idle.
- Keep your GPU's firmware up to date — Nvidia and AMD occasionally ship firmware fixes for topology bugs. Check their support pages for your specific GPU model, not just the latest driver.
- If you use DisplayPort, check the cable — DisplayPort has an AUX channel that carries EDID and topology info. A bad cable can inject garbage into the handshake, causing the source to be rejected. Swap it with a certified VESA cable if you see the error frequently.
The 0xC0262339 error is annoying, but it's almost never a hardware failure. The fix is almost always in the software stack. Start with the disable/enable cycle, escalate to registry cleanup, and only worry about hardware if the problem follows a specific monitor across different GPUs.