Lenovo ThinkVision Pro2820 28 inch FHD MVA LED Backlit LCD Monitor - Manual (Page 23)

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Phase adjusts the phase of the pixel clock signal. With a wrong phase adjustment, the
picture has horizontal disturbances in light picture.
4. When the image no longer looks distorted, save the Clock and Phase adjustments.
5. Press to leave the OSD menu.
Manually installing the monitor driver
Below are steps for manually installing the monitor driver in Microsoft Windows 8.1, Microsoft
Windows 8, Microsoft Windows 7.
Installing the monitor driver in Windows 8.1
To install the device driver in Microsoft® Windows 8.1, do the following:
Note: You must download files from the Lenovo Monitor CD to use the Plug and Play feature in
Windows 8.1.
1. Turn off the computer and all attached devices.
2. Ensure that the monitor is connected correctly.
3. Turn on the monitor and then turn on the computer. Allow your computer to boot into
Windows 8.1 operating system.
4. On the Desktop, move mouse to low-right corner of screen, choose Setting, double click Control Panel, and
then double click the icon of Hardware and Sound, and then clicking Display.
5. Click the Change the display settings tab.
6. Click the Advanced Settings icon.
7. Click the Monitor tab.
8. Click the Properties button.
9. Click the Driver tab.
10. Click Update Driver, then click Browse the computer to find the driver program.
11. Select Pick from the list of device driver program on the computer.
12. Click the Have Disk button. Click the Browse button and navigate to the following directory:
X:\Monitor Drivers (where X is the drive letter designator for the CD-ROM drive).
13. Select the “ThinkVision Pro2820D.inf” file and click the Open button. Click the OK button.
14. Select ThinkVision Pro2820D and click Next. The files will be copied from the CD to your
hard disk drive.
15. Close all open windows and remove the CD.
16. Restart the system. The system will automatically select the maximum refresh rate and corresponding
Colour Matching Profiles.
The system will automatically select the maximum refresh rate and corresponding color
matching profiles.
Note: On LCD monitors, unlike CRTs, a faster refresh rate does not improve display quality.
Lenovo recommends using either 1920 x 1080 at a refresh rate of 60 Hz, or 640 x 480 at
refresh rate of 60 Hz.
3-4 ThinkVision Pro2820 Flat Panel Monitor User’s Guide