Lenovo Lt2252p User Manual download pdf (Page 24)

● Clock (pixel frequency) adjusts the number of pixels scanned by one

Horizontal sweep. If the frequency is not correct, the screen shows vertical

Stripes and the picture does not have the correct width.

● 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

3-4 LT2252p Wide Flat Panel Monitor User’s Guide

Note: You must download files from the Lenovo Monitor CD to use the Plug and Play feature

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 1680 x 1050 at a refresh rate of 60 Hz, or 640 x 480 at a refresh rate of 60 Hz.

Installing the monitor driver in Windows 7

To install the device driver in Microsoft® Windows 7, do the following:

in Windows 7.

Microsoft Windows Vista,Microsoft Windows XP.

Below are steps for manually installing the monitor driver in Microsoft Windows 7,

1. Turn off the computer and all attached devices.

2. Ensure that the monitor is connected correctly.

3. Turn on the monitor and then the system unit. Allow your computer to start the

Windows 7 operating system.

4. Open the Display Properties window by clicking Start, Control Panel and then click the

Hardware and Sound icon.

5. Click the Display icon.

6.Click the Adjust Resolution button.

7.Click the Advanced Settings button.

8.Click the Monitor tab.

9.Click the Properties button.

10.Click the Driver tab.

11.Open the "Update Driver Software-Generic PnP Monitor" window by clicking on Update

Driver and then click the "Browse my computer for driver software" button.

12.Select “Let me pick from a list of device drivers on my computer”.

13.Insert the Lenovo Monitor CD into the CD drive and click the Have Disk button.

14.Click on the Browse button and navigate to the following directory:

X:\Monitor Drivers\ (where X is the drive letter designator for the CD-ROM drive).

Select the file and click the Open button. Click the OK button.

15.Select Lenovo LT2252pwD and click Next. The files will be copied from the CD to

your hard disk drive.

16.Close all open windows and remove the CD.

17.Restart the computer.

LT2252pwD.inf

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Lenovo Lt2252p User Manual Page 24

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