The Alienware M17x R3, R4, M18x R1, R2, Alienware 14, 17 and 18 includes an integrated graphics adapter, whose main purpose is to provide video display in an energy-efficient, power saving way (i.e. when running the system on battery with no AC outlets available).
Cause information is not available.
This mode can be manually set by:
When the Alienware M17x R3, R4, R5 (Running an ATI Discrete Video card) & M18x R1, R2, R3 running SLI / Crossfire (Dual Discrete Video cards) or Single ATI GPU, mobile system is running on Integrated graphics card mode, Windows' Device Manager will only show the Intel HD Graphics as the Alienware Mobile current video adapter.
To use all the Alienware M17x R3, R4, R5 & M18x R1, R2, R3 video adapter(s), it is required that you to switch the computer to Discrete mode. To do so, follow the next procedure:
If your system still appears to have the Discrete video turned off or missing look at Windows Device Manager. Under the Display Adapters section you should see the discrete card (ATI/NVidia), if none are listed check in the BIOS Setup and make sure it is detected there. You can also change the primary display at the Advance Tab and choose PEG/SG.
If still you can't enable the Discrete graphics, you can try flashing/updating the system BIOS to the same or latest version. Look under the Drivers & Downloads section your system bios and run it. Dell BIOS Updates.
Tip: If after running the bios update you system doesn’t boot please check if you system was built with RAID and set it up and the BIOS menu then it will boot up again.
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