Sony PCG-R505JEK - Manual (Page 79)

Selecting the Display Mode
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3 Click the Settings tab, then click the Advanced button to display the Intel®
82815 Graphics Controller Properties dialog box.
4 Click the Intel® 82815 Graphics Technology tab, then click the Graphics
Properties button.
5 Click the Driver Configuration tab.
6 Ensure that the Synchronous Display Mode box is selected, then click
Apply.
7 Click the Device tab.
8 Select the type of display.
Intel® 82815 Graphics Controller Properties Screen