675313
21
Zoom out
Zoom in
Previous page
1/29
Next page
21
ENG
ENGLISH
TROUBLESHOOTING
Check the following before calling for service.
No image appears
Is the power cord of the display
connected?
y
Check and see if the power cord is connected properly to the power outlet.
Do you see an "Out of Range"
message on the screen?
y
This message appears when the signal from the PC (video card) is out of horizontal
or vertical frequency range of the display. See the 'Specifications' section of this
manual and configure your display again.
Do you see a "NO SIGNAL" message
on the screen or black screen?
y
After the monitor is on "NO SIGNAL", the monitor goes to DPM mode.
y
This is displayed when the signal cable between the PC and the monitor is
missing or disconnected. Check the cable and reconnect it.
y
Check PC status.
Can't you control some functions in OSD?
Can't you select some menu in
OSD?
y
You can unlock the OSD controls at any time by entering the OSD lock menu and
changing items to off.
y
Check Control Panel
Display
Settings and see if the frequency or the resolution were changed. If yes, readjust the
video card to the recommend resolution.
y
If the recommended resolution (optimal resolution) is not selected, letters may be blurred and the screen may be dimmed,
truncated or biased. Make sure to select the recommend resolution.
y
The setting method can differ by computer and O/S (Operation System), and resolution mentioned above may
not be supported by the video card performance. In this case, please ask to the computer or the video card
manufacturer.
y
Keep proper posture when using the monitor, otherwise the screen may not be optimized.
CAUTION
The screen is flickering.
Did you select the recommended
resolution?
y
22MK4 series
24MK4 series
27MK4 series
If the selected resolution is
HDMI 1080i 60/50 Hz, the screen may be flickering. Change the resolution
to the recommended resolution 1080P.
Display image is incorrect
The screen color is mono or abnormal.
y
Check if the signal cable is properly connected and use a screwdriver to fasten if
necessary.
y
Make sure the video card is properly inserted in the slot.
y
Set the color setting higher than 24 bits (true color) at Control Panel
Settings.
The screen blinks.
y
Check if the screen is set to interlace mode and if yes, change it to the recommend
resolution.
Do you see an "Unrecognized monitor, Plug&Play (VESA DDC) monitor found" message?
Have you installed the display driver?
y
Be sure to install the display driver from the display driver CD (or diskette)
that comes with your display. Or, you can also download the driver from our
website: http://www.lg.com.
y
Make sure to check if the video card supports Plug&Play function.
21


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for LG 27MK400H at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of LG 27MK400H in the language / languages: English as an attachment in your email.

The manual is 5,39 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info