Lenovo 4428-AB1 - Manual (Page 20)

v 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.
v 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.
3-4 Flat Panel Monitor User ’s Guide
Manually installing the monitor driver
Below are steps for manually installing the monitor driver in Microsoft Windows Vista,
Microsoft. Windows XP. and Microsoft Windows 2000 Professional.
Installing the monitor driver in Windows Vista
To install the device driver in Microsoft® Windows Vista, do the following:
Note: You must download files from the Lenovo Monitor CD to use the Plug and Play feature
in Windows Vista.
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
Vista operating system.
4. Open the Display Properties window by clicking Start, Control Panel
and then double-clicking 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.
11. Open the "Update Driver Software-Generic PnP Monitor" window by clicking on Update Driver
and then click the "Browse my computer for driver sfotware" button.
12. Select “Let me pick from a list of device drivers on my computer” .
13. Click the Have Disk button. Click on the Browse button and navigate to the following directory:
14. Select the "LEN114C.inf" file and click the Open button. Click the OK button.
15. Select LEN114C 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.
The system will automatically select the maximum refresh rate and
corresponding Color Matching Profiles.
.
8
10. Click the Driver tab.
Note: On LCD monitors, unlike CRTs, a faster refresh rate does not improve display quality. Lenovo
recommends using either 1280 x 1024 at a refresh rate of 60 Hz, or 640 x 480 at a refresh rate of 60 Hz..
.
X:\Monitor Drivers\Windows Vista
(where X is the drive letter designator for the CD-ROM drive).