Hybrid Graphics Mode With Direct Output; Discrete Graphics Mode - Dell Precision 7550 Connection Manual

2. On the BIOS screen, select Video.
3. Select Switchable Graphics.
4. Select Enable Switchable Graphics.
5. Save changes and exit the computer's BIOS.
For more information about accessing and configuring the BIOS, see the computer's Service Manual at www.dell.com/support.
Table 1. Hybrid Graphics mode
Graphic card type
Discrete GPU
Integradted GPU

Hybrid Graphics mode with Direct Output

To enable Hybrid Graphics mode with Direct Output in the computer's BIOS:
1. Restart the system and immediately press <F2> to enter the BIOS.
2. On the BIOS screen, select Video.
3. Select Switchable Graphics.
4. Select Enable Switchable Graphics.
5. Select Discrete Graphics Controller Direct Output Mode.
6. Save changes and exit the computer's BIOS
For more information about accessing and configuring the BIOS, see the computer's Service Manual at www.dell.com/support.
Table 2. Hybrid Graphics mode with Direct Output
Graphic card type
Discrete GPU
Integrated GPU

Discrete Graphics Mode

To enable Discrete Mode in the computer's BIOS:
1. Restart the system and immediately press <F2> to enter the BIOS.
2. On the BIOS screen, select Video.
3. Select Switchable Graphics.
4. Uncheck Enable Switchable Graphics.
5. Save changes and exit the computer's BIOS
For more information about accessing and configuring the BIOS, see the computer's Service Manual at www.dell.com/support.
Table 3. Discrete Graphics mode
Graphic card type
Discrete GPU
Supported ports
● HDMI
● Mini DisplayPort
● USB Type-C
● USB Type-C
● Laptop display
Supported ports
● HDMI
● Mini DisplayPort
● USB Type-C
● USB Type-C
Laptop display
Supported ports
● HDMI
● Mini DisplayPort
● USB Type-C
● USB Type-C
● Laptop display
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