Lenovo ThinkVision LT2223p 21.5in LCD Monitor - Manual (Page 28)

· 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.
Manually installing the monitor driver
Below are steps for manually installing the monitor driver in Microsoft® Windows
Vista, Microsoft® Windows 7 and Microsoft ®
Windows 8/Windows 8.1 Professional.
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. Find the driver of the corresponding monitor model from Lenovo’s website:
http://support.lenovo.com/LT2223pwC, and download it to the host connected
to this monitor for temporary storage (as shown in the figure on the desktop).
14.
5. Click Start Control Panel, and then click the Hardware and Sound icon.
6. Click the Personalization icon.
7. Click the Display Settings icon.
8. Click the Advanced Settings button.
9. Click the Monitor tab.
10. Click the Properties button.
11. If the " Windows needs your permission to continue" window appears, click
on Continue button. Then click the Driver tab.
12. 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.
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5. Select the " LT2223pwC
.inf" file and click the Open button. Click the OK button.
16. Select “Lenovo LT2223pwC” in the new window and then click “Next”.
17. After the installation is complete, delete the downloaded program files, and
close all the windows.
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8.
Restart the system .
Chapter 3. Reference information 3-5
Click the “Install from the disk” button, click on the “Browse” button, and
then navigate to the following directory: X \ Monitor Drivers \ Windows Vista
(Here, X stands for “the folder in which the downloaded driver locates” (such as
desktop)
13. Select “Let me pick from a list of device drivers on my computer”.