LG 20~29" General Monitor 27MD5KA-BC.ACN Product Specifications English
Summary
Discover powerful visual clarity with the LG UltraFine 5K Monitor, engineered specifically for Mac users. This comprehensive guide ensures optimal performance in your workspace, providing detailed instructions on safe setup, connectivity options, advanced mounting techniques (including VESA), and maintenance best practices. Everything you need to know—from safety precautions to full specifications—is covered here, allowing macOS professionals to achieve a flawless, high-resolution digital experience right out of the box.
Page 1 Text Content
OWNER’S MANUAL
LG Ultra Fine 5K Monitor (For Mac)
Please read this manual carefully before operating your set and retain it for future reference.
27MD5KA
www.lg.com
Page Summary Contents For LG 20~29" General Monitor 27MD5KA-BC.ACN Product Specifications English
Page 1
OWNER’S MANUAL LG Ultra Fine 5K Monitor (For Mac) Please read this manual carefully before operating your set and retain it for future reference. 27MD5KA www.lg.com
Page 2
TABLE OF CONTENTS SAFETY PRECAUTIONS ----------------3 On Safety --------------------------------------------3 Do not Open the Display: To Avoid Personal Injury: To Prevent Fire or Hazards: On Install...
Page 3
EN LISH SAFETY PRECAUTIONS This unit has been engineered and manufactured to ensure your personal safety, however improper use may result in potential electrical shock or fire hazards. In order to all...
Page 4
On Installation Do not allow anything to rest upon or roll over the power cord, and do not place the display where the power cord is subject to damage. Do not use this display near water such as near ...
Page 5
EN LISH Precautions to the AC Adapter and Power If water or any foreign substance goes inside the product (TV, monitor, power cord, or AC adapter), disconnect the power cord immediately and contact th...
Page 6
LICENSE Each model has different licenses. Visit www.lg.com for more information on the license. Thunderbolt and the Thunderbolt logo are trademarks of Intel Corporation or its subsidiaries in the U.S...
Page 7
EN LISH ASSEMBLING AND PREPARING CAUTION Always use genuine LG components to ensure safety and product performance. The product warranty will not cover damage or injury caused by the use of unauthoriz...
Page 8
Product Description Camera Microphone and Camera indicator light Ambient light sensor Power connector EN LISH Kensington lock hole Stand detach button NOTE Camera: Built-in USB Camera Microphone: Buil...
Page 9
EN LISH Input Connector USB expansion port Host(Mac) connection port
Page 10
ID Label / Sub ID Label You can view the monitor's ID Label and Sub ID Label. Sub ID Label Stand ID Label * Detaching the Stand (Refer page 17) EN LISH NOTE ID Label: the monitor's standard ID label t...
Page 11
EN LISH Moving and Lifting the Monitor When moving or lifting the monitor, follow these instructions to prevent the monitor from being scratched or damaged and to ensure safe transportation, regardles...
Page 12
Installing on a Table 1 Lift the monitor and place it on the table in an upright position. Place the monitor at least 100 mm away from the wall to ensure sufficient ventilation. 100 mm 100 mm 100 mm 1...
Page 13
EN LISH Cautions When Connecting Power Cord Make sure to use the power cord that is provided in the product package and connect it to a grounded power outlet. If you need another power cord, please co...
Page 14
WARNING When adjusting the screen height, do not place your hand on the stand body to avoid injury to your fingers. Be careful not to touch or press the screen area when adjusting the angle of the mon...
Page 15
EN LISH Adjusting the Angle 1 Place the monitor in an upright position, mounted on the stand base. 2 Adjust the angle of the screen. The angle of the screen can be adjusted forwards or backwards for a...
Page 16
Using the Kensington Lock The connector for the Kensington security system is located at the bottom of the monitor. For more information on installation and usage, refer to the Kensington lock owner’s...
Page 17
EN LISH Detaching the Stand 1 Place the monitor’s screen face down. To protect the screen from scratches, cover the surface with a soft cloth. 2 Push the Detach button on the back of the monitor to th...
Page 18
5 Check whether the hooks on the stand are separated from the slots of the main unit. Stand hooks Main unit slots 6 Remove the stand once the hooks on the stand have been released from the slots of th...
Page 19
EN LISH Attaching the VESA design cover 1 Place the monitor’s screen face down. To protect the screen from scratches, cover the surface with a soft cloth. VESA design cover hooks Main unit slots 2 Pla...
Page 20
4 Push down on the VESA design cover. CAUTION Check whether the detach button has been pushed to the right after attaching the VESA design cover. If the button has not been pushed to the right, push i...
Page 21
EN LISH Installing the Wall Mount Bracket 1 Place the monitor’s screen face down. To protect the screen from scratches, cover the surface with a soft cloth. 2 Use four screws to attach the wall mount ...
Page 22
NOTE Install the monitor at least 100 mm away from the wall on each side of the monitor to ensure sufficient ventilation. The wall mount bracket and the wall mount bracket screws are not included. CAU...
Page 23
EN LISH MAKING CONNECTIONS Make sure to use the supplied cable. Otherwise, this may cause the device to malfunction. Some of the cables are not provided. CAUTION Do not press the screen for a prolonge...
Page 24
TROUBLESHOOTING Nothing is displayed on the screen. Is your monitor connected to your Connect your monitor to your Mac. The monitor will turn on automatically if the PC Mac? is operating normally. Is ...
Page 25
EN LISH PRODUCT SPECIFICATION The product specifications below may be changed without prior notice due to upgrade of product functions. LCD Screen Type TFT (Thin Film Transistor) LCD (Liquid Crystal D...
Page 26
Signal Timing Horizontal Frequency Vertical Frequency Resolution Polarity (H/V) Remarks (k Hz) (Hz) 2560 x 1440 88.86 3200 x 1800 111.12 3840 x 2160 133.32 4096 x 2304 142.2 5120 x 2880 177.72 Main Re...
Page 27
To obtain the source code under GPL, LGPL, MPL, and other ENERGY STAR® is a set of power-saving guidelines issued by the U.S.Environmental Protection Agency (EPA). open source licenses, that is contai...
Manual Details
| Brand | LG |
|---|---|
| Pages | 27 |
| File Size | 6.60 MB |
| Published | May 29, 2026 |
75 views
Enter the captcha to get the download link:
Frequently Asked Questions
What are the general safety guidelines when operating the monitor?
Only use the supplied power cord, keep it away from water sources, and never open the display due to high internal voltage.
How must I position the monitor to prevent fire or damage?
Ensure ventilation openings are never blocked by placing the unit on soft surfaces like a bed or rug. Also, do not place it near heat sources or excessive moisture.
What can I use to connect the display to other devices?
It includes built-in USB camera and microphone ports for connecting external USB devices and microphones.
What are the dimensions of the monitor when the stand is attached?
The width is 625.6 mm, the height is 464.4 mm, and the depth is 239.9 mm.