V7 L27HAS2K User Manual page 10

5
No power
• Make sure AC power cord is securely connected to the power adapter and the power supply is firmly connected to the monitor.
• Plug another electrical device into the power outlet to verify that the outlet is supplying proper voltage.
• Make sure all signal cables are installed.
Power on but no screen image
• Make sure the video cable supplied with the monitor is tightly secured to the video output port on back of the computer. If not,
• Adjust brightness.
Wrong or abnormal colors
• If any colors (red, green, blue) are missing, check the video cable to make sure it is securely connected. Loose or broken pins in the
• Connect the monitor to another computer.
tightly secure it.
cable connector could cause an improper connection.