Connecting A Projector Or External Display - Lenovo ThinkPad T420 User Manual

1. Right-click on the desktop, and click Personalize.
2. Click Adjust font size (DPI) under Tasks at the left. If you are prompted for an administrator password
or confirmation, type the password or provide confirmation.
3. Select the Larger scale (120DPI) - make text more readable check box.
4. Click OK. The change will take effect after the computer restarts. You are prompted to restart the
computer after you click OK or Apply.
For Windows XP:
1. Right-click on the desktop, and click Properties. The Display Properties window opens.
2. Click the Appearance tab.
3. Under Font Size, click Large Fonts or Extra Large Fonts.
4. Click Apply to apply the settings.
5. Click OK. If you are prompted to restart the computer after you click OK or Apply, the change will
take effect after the computer restarts.
Numeric lock
To change the numeric lock setting, do as follows:
For Windows 7:
1. Right-click on the desktop, and click Personalize.
2. Click Display at the left.
3. Click Change display settings.
4. Click Advanced settings, select the On Screen Display tab, and then click Num Lock Settings.
5. The setting window opens.
6. Follow the instructions on the screen.
For Windows Vista:
1. Right-click on the desktop, and click Personalize.
2. Click Display Settings.
3. Click Advanced Settings, select the On Screen Display tab, and then click Num Lock Settings.
4. The setting window opens.
5. Follow the instructions on the screen.
For Windows XP:
1. Right-click on the desktop, and click Properties. The Display Properties window opens.
2. Click the Settings tab.
3. Click Advanced, select the On Screen Display tab, and then click Num Lock Settings.
4. The setting window opens.
5. Follow the instructions on the screen.

Connecting a projector or external display

Attaching an external monitor
Your computer can support a maximum video resolution of up to 2048x1536 (with an external monitor
attached to the CRT connector) or up to 2560x1600 (with an external monitor attached to the DisplayPort
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