KG251QJ - Monitor ACER - Free user manual and instructions
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| Product Type | Gaming Monitor |
| Model | Acer KG251QJ |
| Screen Size | 24.5 inches |
| Panel Type | TN (Twisted Nematic) |
| Resolution | 1920 x 1080 (Full HD) |
| Refresh Rate | 165 Hz |
| Response Time | 1 ms (GTG) |
| Brightness | 250 cd/m² |
| Contrast Ratio | 1000:1 (typical) |
| Viewing Angles | 170° horizontal / 160° vertical |
| Connectivity | 1x HDMI 1.4, 1x DisplayPort 1.2, 1x D-Sub (VGA) |
| Audio | 3.5 mm headphone jack |
| Adaptive Sync | AMD FreeSync |
| VESA Mount | 100 x 100 mm |
| Dimensions (with stand) | 557.6 x 420.7 x 240.3 mm (W x H x D) |
| Weight (with stand) | 4.2 kg |
| Power Consumption | 22 W (typical), 0.5 W (standby) |
| Power Supply | External, 100-240 V AC |
| Key Features | Gaming design, low input lag, BlueLightShield, ComfyView, Flicker-less |
| Maintenance | Clean with a soft dry cloth; avoid liquids |
| Safety | Use only Acer-approved power adapter; ensure ventilation slots are not blocked |
| Spare Parts & Repair | Contact Acer support or authorized service center; do not attempt self-repair |
| General Information | Operating temperature: 0°C to 40°C; storage temperature: -20°C to 60°C; humidity: 20% to 80% non-condensing |
Frequently Asked Questions - KG251QJ ACER
How do I connect my Acer KG251QJ monitor to my computer?
Use an HDMI, DisplayPort, or VGA cable. For 165 Hz, use DisplayPort or HDMI 1.4. Connect one end to the monitor and the other to your PC.
How can I adjust the monitor's refresh rate to 165 Hz?
Right-click on your desktop, select Display settings > Advanced display > Display adapter properties. Go to the Monitor tab and set the refresh rate to 165 Hz. Ensure you use a compatible cable.
What is the best gaming settings for the Acer KG251QJ?
Enable AMD FreeSync if supported, set response time to 'Normal' or 'Extreme' via OSD, adjust brightness to your preference, and turn on BlueLightShield for eye strain.
How do I clean the monitor screen?
Power off the monitor and unplug it. Use a soft, dry microfiber cloth to wipe the screen. Do not use any liquids or cleaners.
My monitor displays 'No Signal' - what should I do?
Check that the video cable is securely connected to both the monitor and PC. Try a different cable or port. Ensure the PC is powered on and the correct input source is selected on the monitor.
Can I mount the Acer KG251QJ on a VESA arm?
Yes, the monitor supports VESA 100x100 mm mounting. Remove the stand and attach a compatible mount using screws. Follow the mount's installation instructions.
How to access the on-screen display (OSD) menu?
Press the joystick button on the back of the monitor to open the OSD. Use the joystick to navigate and select options. Press the joystick again to confirm.
Does this monitor have built-in speakers?
No, the Acer KG251QJ does not have built-in speakers. It has a headphone jack for audio output.
How to reset the monitor to factory settings?
Go to the OSD menu, navigate to 'System' or 'Settings', and select 'Reset' or 'Factory Reset'. Confirm to restore default settings.
What is the warranty for Acer KG251QJ?
Acer typically offers a standard 3-year limited warranty. Check your local region or contact Acer support for exact terms.
User questions about KG251QJ ACER
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USER MANUAL KG251QJ ACER
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Product information
Brand : ACER
Model : KG251QJ
Category : Monitor