ROG STRIX XG259CS - Monitor ASUS - Free user manual and instructions
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| Product type | Monitor |
| Brand | ASUS |
| Model | ROG STRIX XG259CS |
| Screen size (diagonal) | 24.5 inches |
| Resolution | 1920 x 1080 (Full HD) |
| Refresh rate | 280 Hz (overclockable) |
| Response time | 1 ms (GTG) |
| Panel type | IPS |
| Color gamut | sRGB: 110% |
| HDR support | HDR10, VESA DisplayHDR™ 400 |
| Adaptive sync | AMD FreeSync Premium, G-SYNC Compatible |
| Connectivity | 1x DisplayPort 1.4, 2x HDMI 2.0, 1x USB-C (DP Alt Mode), 2x USB 3.2 Gen 1 Type-A, 1x USB-B upstream, 3.5mm headphone jack |
| VESA mount | 100 x 100 mm |
| Dimensions (with stand) | 557.8 x 405.7 x 214.7 mm (21.96 x 15.97 x 8.45 inches) |
| Weight (with stand) | 5.8 kg (12.79 lbs) |
| Power consumption (typical) | ~50 W |
| Power supply | 100-240 V AC, 50/60 Hz |
| Ergonomic adjustments | Tilt (-5° ~ +20°), Swivel (+20° / -20°), Pivot (+90° / -90°), Height (0 ~ 110 mm) |
| Cleaning instructions | Clean with a soft, lint-free cloth. Do not use liquid or aerosol cleaners. Unplug before cleaning. |
| Safety precautions | Use only the provided power adapter. Avoid blocking ventilation. Do not expose to moisture or high temperatures. |
| Spare parts & reparability | Contact ASUS support or authorized service centers for replacement parts. DIY repairs may void warranty. |
Frequently Asked Questions - ROG STRIX XG259CS ASUS
How do I enable the 280 Hz refresh rate on my ROG STRIX XG259CS?
To enable 280 Hz, connect via DisplayPort or HDMI 2.0, then go to Settings > System Setup > Refresh Rate and select 280 Hz. Ensure your graphics card supports it.
Can I use VESA mount with this monitor?
Yes, the monitor supports VESA 100x100 mm mounts. Remove the stand and attach the mounting plate using the provided screws.
How to adjust the monitor settings (brightness, contrast, etc.)?
Press the joystick button on the back to open the OSD (On-Screen Display). Use the joystick to navigate and adjust settings like brightness, contrast, color temperature, and game modes.
Does the monitor support G-Sync?
Yes, it is G-SYNC Compatible. Enable G-Sync in your NVIDIA control panel after connecting via DisplayPort.
What is the optimal resolution for gaming?
The native resolution is 1920x1080 (Full HD). For best performance, set your game to this resolution and enable 280 Hz if supported.
How to clean the screen safely?
Use a soft, dry microfiber cloth to gently wipe the screen. For stubborn smudges, lightly dampen the cloth with distilled water. Never spray liquids directly on the screen.
Can I connect my laptop via USB-C?
Yes, the USB-C port supports DisplayPort Alt Mode for video input, but does not provide full power delivery. Connect a separate power cable for charging.
Is the monitor flicker-free?
Yes, it features ASUS Flicker-Free technology to reduce eye strain during long gaming sessions.
How to enable HDR on the monitor?
In the OSD, go to Image > HDR Setting and set it to On or Auto. Also enable HDR in Windows (Settings > Display > HDR) and in supported games.
What to do if the screen has no signal?
Check cable connections and ensure the correct input source is selected via the OSD (press joystick to change Input Select). Restart the monitor and PC. If using HDMI, try a different cable.
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USER MANUAL ROG STRIX XG259CS ASUS
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Product information
Brand : ASUS
Model : ROG STRIX XG259CS
Category : Monitor