Dell Precision 7550 Connection Guide

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 Supported ports
Discrete GPU
● HDMI
● Mini DisplayPort
Integradted GPU
● USB Type-C
● USB Type-C
● Laptop display
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 Supported ports
Discrete GPU
● HDMI
● Mini DisplayPort
● USB Type-C
● USB Type-C
Integrated GPU Laptop display
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 Supported ports
Discrete GPU
● HDMI
● Mini DisplayPort
● USB Type-C
● USB Type-C
● Laptop display
Before you begin 5

Dell Precision 7550 Specifications

General

Wireless	Intel Wi-Fi 6 AX201, Bluetooth 5.1
Processor Options	Up to Intel Xeon W-10885M, 8 Core, 16MB Cache, 2.40 GHz up to 5.30 GHz Turbo, 45W, vPro Up to Intel Core i9-10885H, 8 Core, 16MB Cache, 2.40 GHz up to 5.30 GHz Turbo, 45W, vPro
Graphics	NVIDIA Quadro RTX 5000, RTX 4000, RTX 3000
Display	15.6-inch, FHD (1920 x 1080) up to UHD (3840 x 2160), IPS
Memory	Up to 128GB DDR4
Storage	Up to 4TB PCIe SSD
Operating System	Windows 10 Pro, Ubuntu Linux
Ports	2x Thunderbolt 3 (USB Type-C), HDMI 2.0, SD card reader
Battery	6-cell 95Whr