C34J791WTR - Monitor SAMSUNG - Free user manual and instructions
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| Product Type | Ultra-wide Curved Monitor |
| Brand | Samsung |
| Model | C34J791WTR |
| Display Size | 34 inches |
| Resolution | 3440 x 1440 (Ultra-WQHD) |
| Panel Type | VA (Vertical Alignment) |
| Curvature | 1500R |
| Refresh Rate | 144 Hz |
| Response Time | 4 ms (GTG) |
| Aspect Ratio | 21:9 |
| Brightness | 300 cd/m² (typical) |
| Contrast Ratio | 3000:1 (typical) |
| Color Gamut | 92% Adobe RGB / 124% sRGB |
| Color Support | 1.07 billion colors |
| Connectivity | 1x HDMI 2.0, 1x DisplayPort 1.4, 1x USB-C (85W PD), 2x USB-A 3.0, 1x Headphone out |
| Stand Adjustability | Height (120 mm), Tilt (-2° to 20°), Swivel (-15° to 15°), Pivot (clockwise 90°) |
| VESA Mount | 100 x 100 mm |
| Power Consumption | 60 W (typical), 0.5 W (standby) |
| Weight (with stand) | Approx. 8.5 kg |
| Weight (without stand) | Approx. 6.2 kg |
| Dimensions (with stand) | 807.6 x 506.5 x 292.4 mm |
| Dimensions (without stand) | 807.6 x 360.6 x 103.4 mm |
| Accessories | Power cable, HDMI cable, USB-C cable, DP cable, Quick setup guide |
| Warranty | 3 years (depending on region) |
| Special Features | AMD FreeSync 2, HDR10, Eye Saver Mode, Flicker Free, Picture-in-Picture 2.0, Super Arena Gaming UX |
Frequently Asked Questions - C34J791WTR SAMSUNG
How do I adjust the monitor settings like brightness and contrast?
Press the Joystick button on the back of the monitor to open the On-Screen Display (OSD). Navigate to Picture settings to adjust brightness, contrast, sharpness, and more. Use the joystick to select and confirm.
Can I connect my laptop using USB-C?
Yes, the monitor has a USB-C port that supports video input and delivers up to 85W power delivery. Connect your laptop via a USB-C cable, and it will charge while displaying content.
How do I enable AMD FreeSync?
Ensure your GPU supports FreeSync. Connect via DisplayPort or HDMI, then go to OSD > Game > FreeSync and set to On. Also enable FreeSync in your AMD Radeon software.
Can I rotate the screen into portrait mode?
Yes, the monitor supports pivot rotation. Adjust the stand to rotate 90° clockwise. You may need to change display orientation in your computer's settings (Display > Orientation).
How do I clean the screen safely?
Turn off the monitor and unplug it. Use a soft, dry microfiber cloth to gently wipe the screen. Do not use alcohol, solvents, or abrasive cleaners. For stubborn stains, slightly dampen the cloth with distilled water.
Can I mount this monitor on a VESA arm?
Yes, the monitor is VESA compatible with a 100 x 100 mm pattern. Remove the stand by pressing the release button, then attach the VESA bracket using the screws provided with your mount.
What should I do if there is no signal detected?
Check that the cable is securely connected to both the monitor and computer. Try a different cable or port. Ensure the computer is powered on and the correct input source is selected via OSD (Source menu).
How do I change the refresh rate to 144 Hz?
Right-click on desktop, go to Display settings > Advanced display > Display adapter properties > Monitor tab. Under Screen refresh rate, select 144 Hz and apply.
Does this monitor support picture-in-picture (PIP)?
Yes, it supports PIP 2.0. Go to OSD > Game > PIP/PBP to enable, then choose the input sources and size. You can display two sources simultaneously.
How do I update the monitor firmware?
Visit Samsung's support website and download the latest firmware for the C34J791WTR. Copy it to a USB drive, connect to the monitor's USB port, then go to OSD > Support > Software Update to install.
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USER MANUAL C34J791WTR SAMSUNG
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Product information
Brand : SAMSUNG
Model : C34J791WTR
Category : Monitor