Why does the screen flicker and automatically reboot when adjusting brightness/volume?

This occurs due to insufficient power supply from the adapter. The monitor requires approximately 15W at maximum brightness. To resolve this, ensure the power adapter outputs over 10W to deliver stable power to the monitor(e.g., 5V/2A or higher）

Does maintenance service cover screen broken?

We sincerely regret that physical screen damage resulting from accidental impact or mishandling cannot be accommodated under our maintenance service Stand, as this aligns with industry-standard guidelines for monitor products.

Why does my monitor only adjust the volume and brightness, and can't even call out the menu？

This is because your monitor has entered the test mode.Please press and hold the center button on the monitor's edge for 3 seconds to power off, then repeat the 3-second press to restart. Normal functionality will resume after restart.

Brand	Ingnok
Product Dimensions	42.09 x 24.99 x 1.12 cm; 2.58 kg
Item model number	YN05B
Manufacturer	Ingnok
Series	YN05B
Color	Black
Standing screen display size	18.5 Inches
Screen Resolution	1920x1080
Resolution	1920 x 1080 Pixels
Number of USB 3.0 Ports	2
Number of HDMI Ports	1
Voltage	5 Volts (DC)
Wattage	15.00
Tuner Technology	Digital
Power Source	DC
Item Weight	2.58 Kilograms

Ingnok 18.5 Inch Portable Monitor, 100% sRGB FHD Laptop Screen Extender USB C HDMI Portable Gaming Monitor w/Smart Cover & Speakers, External Monitor for Laptop Mac PC

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