Sony PCG-NV170P VAIO User Guide (primary manual) User Manual page 109

Display Properties Notes
If you change the factory display screen settings to 1600 x 1200 pixels, you can increase the display font size as well.
To increase the display font size
1.
Click Start, point to Control Panel, and click Appearance and Themes.
2.
Click Display. The Display Properties window appears.
3.
Click the Appearance tab, and select a larger display font size from the drop-down list.
4. Click OK.
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