Why is your computer using an Intel HD graphics chip instead of the dedicated graphics card?

Why is your computer using an Intel HD graphics chip instead of the dedicated graphics card?

Article Details



Poster: Morten
Article ID: 2391
Posted: Mon 24 Jul 2017
Approved: Yes

QUESTION
Why is your computer using an Intel HD graphics chip instead of the dedicated graphics card?

ANSWER
1) Some PCs have got two graphics cards - a slow Intel HD graphics chip and a faster Nvidia or AMD graphics card. Please have a look at the specifications of your PC to determine the name of the Nvidia or AMD graphics card.

2) Once you have located the name of the Nvidia or AMD graphics card, please verify that it has at least 2,000 PassMark points and 2GB memory by typing in the name in the search field in the top right corner of this website. If it hasn't got at least 2,000 Passmark points and 2GB memory, you will be unable to use Lumion on this PC.

3) If it has got enough PassMark points and at least 2GB memory, and Lumion crashes or exhibits artifacts when you try to load a scene, it is most likely still using the slow Intel HD graphics chip in Lumion.

4) To resolve this problem, please consult the manual for your PC to ensure that the display cable from your monitor is connected to the fast graphics card.

5) If so, please follow these instructions, depending on whether your PC uses an Nvidia or an AMD graphics card:


NVIDIA CARDS:
Option A):
a) Right-click on the desktop and choose Nvidia Control Panel.
b) Manage 3D Settings -> Program Settings tab -> Add -> Locate Lumion.exe in the folder you installed Lumion in.
c) Select the preferred graphics processor for this program -> High-performance Nvidia processor.



Option B):
Alternatively, you can assign the NVIDIA graphics card via the Windows context menu:

a) Go to the install location for Lumion, for example "C:\Program Files\Lumion 7.5".
b) Right click on "Lumion" ( or "Lumion.exe").  The Windows menu should show the option "Run with graphics processor" -> select "High-performance NVIDIA processor" if there are two active graphics systems running on the PC.



 
AMD/ATI CARDS:
a) Click on the Windows Start button and select Programs
b) Click on Catalyst Control Center
c) Click on Power and select Switchable Graphics
d) Choose Lumion from the list or browse to select an application and assign the AMD card
e) Start Lumion


After making the change to the dedicated Nvidia/AMD graphics card, the Lumion Benchmark report may sometimes still display the Intel HD graphics chip on the benchmark screen. You can safely ignore this. However the benchmark score should now be significantly higher which will indicate that the correct graphics card is used.

Note:
If the PC includes separate video output sockets (1 for the Intel HD chip and 1 or more for the Nvidia card) and you connect these sockets to separate monitors, it's very important that the Lumion window is only ever placed on the monitor that is connected to the fast Nvidia graphics card.  If the Lumion window is running on the monitor that's connected to the Intel HD chip, you should move the window to the monitor that's connected to the fast Nvidia graphics card, and then quit and restart Lumion.



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