Troubleshooting; Supported Resolution; Legal Notices - Lenovo 4X90K86568 Quick Start Manual

Introduction
Connector name
USB-C connector (input)
VGA connector (output)
Power connector
Electrical input of the Lenovo USB-C to VGA Plus Power Adapter (referred to as adapter):
5 V / 2 A dc, 12 V / 3 A dc, or 20 V / 2.25 A dc
Attention: To prevent possible display impact or adapter damage, avoid connecting the adapter
to or disconnecting the adapter from the power source during display.

Troubleshooting

Problem
Turning on the display
device failed or blue screen
No image or image flickering
Battery-status icon on the
computer not responding

Supported resolution

VGA monitor
 800 x 600 pixels / 60 Hz
 1024 x 768 pixels / 60 Hz
 1280 x 1024 pixels / 60 Hz
 1600 x 1200 pixels / 60 Hz
 1920 x 1080 pixels / 60 Hz

Legal notices

Lenovo and the Lenovo logo are trademarks of Lenovo in the United States, other countries, or
both.
Other company, product, or service names may be trademarks or service marks of others.
Description
Used to connect to a USB-C connector on a computer.
Used to connect to a Video Graphics Array (VGA) connector
on a display device.
Used to connect to a proper electric outlet through a Lenovo
USB-C 45W AC Adapter.
Solution
Ensure that the adapter is correctly connected.
 Ensure that the display device is turned on, and the
adapter is correctly connected.
 Ensure that the signal is sent out in VGA mode.
 Ensure that the screen resolution is in the following
supported resolution list.
 Ensure that the adapter is correctly connected.
 Check if the computer is fully charged.
 Ensure that the computer supports charging through its
USB-C connector.
 Ensure that the Lenovo USB-C 45W AC Adapter is in good
condition.
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