Chapter 3. Reference information 3-5
·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.
Installing the monitor driver in Windows Vista
To install the monitor driver in Microsoft® Windows Vista, do the following:
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 the system to boot into
Windows Vista operating system.
4.Click Start Control Panel, and then click the Hardware and Sound icon.
5.Click the Personalization icon.
6.Click the Display Settings icon.
7.Click the Advanced Settings button.
8.Click the Monitor tab.
9.Click the Properties button.
10.If the "Windows needs your permission to continue" window appears, click on
Continue button. Then 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 Lenovo Monitor CD into the CD drive and click the Have Disk
button.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).
14.Select the "LS2223wC.inf" file and click the Open button. Click the OK button.
15.Select Lenovo LS2223wC 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 system.
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 a refresh rate of 60 Hz.