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Making this work with display outputs that are wired to the discrete GPU requires some manual configuration. Using PRIME Render Offload - Theoretically, with Debian 11 (or newer), special configuration shouldn't be needed and offloading should be available as soon as you've installed the proprietary drivers, at least as far as the internal screen and any display outputs wired to the onboard GPU are concerned. To summarize the different approaches you can take that are supported in Debian: This section mentions and details a few of the more common configuration scenarios and how to adjust your Debian installation, accordingly. Obtain the NVIDIA GPU identifier of your card with: $ lspci | grep -E "VGA|3D"Ĭompare the identifier (i.e. GeForce 7XXM, 8XXM, 9XXM) with the list, here: Īlso note the PCI identifier of the card, which is the 5-digit ID at the beginning of the previous command's output, XX:XX.X.Ĭonfiguration of an NVIDIA Optimus enabled system can be somewhat complex, depending upon the desired end state. The quickest method to determine if your device uses an Optimus card is to search against the documented list on NVIDIA's website.

PRIME Render Offload with an External Display.

There appears to be no way to query the system for this information, which leaves trial and error: try the configurations for each hardware variant until one works.

In order to take advantage of Optimus and also have full use of external displays, different configuration is required depending on the hardware variant.

The situation is further complicated by the fact that some laptop models have all external display connectors hardwired to the onboard GPU the same way the internal screen is, some have all external display connectors wired to the discrete GPU, and some have a mix. Due to the nature of this technology, various software components must be aware of, and configured for, the proper output of the display based on the user's desired configuration. NVIDIA Optimus is a technology that enables dynamic, switchable graphics between the central processing unit's (CPU) embedded graphics capability and the discrete graphics processing unit (GPU) card. This page describes how to identify, configure and troubleshoot NVIDIA Optimus enabled systems for Debian. Translation(s): English - español - Polski