LG 34CB98 - User Manual

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www.lg.com

* LG LED Monitor applies LCD screen with LED backlights.

Please read this manual carefully before operating your set and retain it for future

reference.

OWNER’S MANUAL

34UC98

34UC88

34CB98

34CB88

IPS LED

MONITOR

(LED Monitor*)

Table of Contents

Questions and Answers

S
Steven RuizSep 1, 2025
How to fix an LG 34CB98 Monitor when nothing is displayed on the screen?
- R
  Robert SalinasSep 1, 2025
  If nothing is displayed on your LG Monitor, ensure the power cord is correctly plugged into the power outlet. Also, check the power cable connection and press the power button. Verify that the connected input is enabled by navigating to Menu > Quick Settings > Input. If the monitor is in sleep mode, move the mouse or press any key on the keyboard. Also, ensure your computer is turned on. If the signals from your PC are out of the monitor's frequency range, consult the Product Specification section of this manual to set the appropriate frequency. Finally, check the cable and reconnect it.
S
Sydney SmithAug 31, 2025
What to do if there is no sound from the headphone port on my LG 34CB98 Monitor?
- L
  Lisa LoveAug 31, 2025
  If there is no sound from the headphone port on your LG Monitor, ensure that the headphone port connections are properly made. You can also try increasing the volume using the joystick. Additionally, set the audio output of the PC to the monitor you are using. On Microsoft Windows, go to Control Panel > Hardware and Sound > Sound and set the Monitor as the default device.
C
Christina HannaAug 30, 2025
How to fix no sound from the headphone port on my LG 34CB98?
- C
  Charles RuizAug 30, 2025
  If there is no sound from the headphone port on your LG monitor, ensure the following: * Make sure that the headphone port connections are made properly. * Try increasing the volume with the joystick. * Set the audio output of the PC to the monitor you are using. On Microsoft Windows, go to Control Panel > Hardware and Sound > Sound and set the Monitor as the default device.
O
omcneilAug 29, 2025
How to fix no sound from the headphone port on LG 34CB98 Monitor?
- B
  Bethany WilliamsAug 29, 2025
  If there is no sound from the headphone port on your LG Monitor, ensure the headphone port connections are properly made. Try increasing the volume using the joystick. Also, set the audio output of your PC to the monitor you are using by going to Control Panel > Hardware and Sound > Sound and setting the Monitor as the default device.
C
Cynthia DuarteAug 28, 2025
What to do if LG 34CB98 Monitor screen display is unstable and shaky?
- M
  melissa49Aug 28, 2025
  If the screen display on your LG Monitor is unstable and shaky, and the resolution is HDMI 1080i 60/50 Hz (interlaced), the screen may be flickering. Try changing the resolution to 1080p or the recommended resolution.
J
Jennifer MayerAug 27, 2025
Why is my LG 34CB98 Monitor screen display unstable and shaky?
- C
  Christopher MorganAug 27, 2025
  If your LG Monitor's screen display is unstable, shaky, or images leave shadow trails, and the resolution is set to HDMI 1080i 60/50 Hz (interlaced), this may cause flickering. Change the resolution to 1080p or the recommended resolution to resolve this issue.
C
Caitlin SmithAug 27, 2025
What to do if there is no sound from the headphone port on LG 34CB98?
- B
  brittanyericksonAug 27, 2025
  If there is no sound from the headphone port on your LG Monitor: * Ensure that the headphone port connections are properly made. * Try increasing the volume using the joystick. * Set the audio output of your PC to the monitor. On Microsoft Windows, go to Control Panel > Hardware and Sound > Sound and set the Monitor as the default device.
P
Paige RodriguezAug 25, 2025
How to fix LG 34CB98 Monitor when nothing is displayed on the screen?
- M
  Morgan DavisAug 26, 2025
  If nothing is displayed on your LG Monitor screen, there are several things you can check: * Ensure the power cord is correctly plugged into the power outlet and that the power cable is properly connected. Then, press the power button. * Make sure the connected input is enabled by going to Menu > Quick Settings > Input. * If the monitor is in sleep mode, move the mouse or press any key on the keyboard. Also, verify that your computer is turned on. * If the signals from your PC are out of the monitor's frequency range, refer to the Product Specification section of this manual to set the appropriate frequency. * Check the signal cable between the PC and the monitor to ensure it is properly connected. Reconnect if necessary.
D
David JacksonAug 25, 2025
Why is there no sound from my LG 34CB98 Monitor headphone port?
- B
  Brian MooreAug 25, 2025
  If there is no sound from the headphone port on your LG Monitor, first make sure that the headphone port connections are properly made. Then, try increasing the volume using the joystick. Finally, set the audio output of your PC to the monitor you are using by going to Control Panel > Hardware and Sound > Sound on Microsoft Windows and setting the Monitor as the default device.

LG 34CB98 Specifications

General

Screen Size	34 inches
Resolution	3440 x 1440
Aspect Ratio	21:9
Panel Type	IPS
Refresh Rate	60 Hz
Brightness	300 cd/m²
Color Gamut	sRGB 99%
Curved	Yes
Response Time	5 ms
Contrast Ratio	1000:1
Connectivity	DisplayPort, HDMI, USB
Built-in Speakers	Yes
Viewing Angle	178°
Ports	DisplayPort, HDMI, USB 3.0
VESA Mount	100 x 100 mm

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