Some potential brain cancer symptoms include: 1  Headaches: Having a headache could be related to many causes. A noticeable change in the frequency and intensity of headaches may indicate a brain tumor.  Vision changes: A tumor on or near the optical nerve could cause blurred or double vision.
To customize your mouse settings 1. Click Start, and then click Control Panel. 2. Click Printers and Other Hardware. 3. Click Mouse. . In the Mouse Properties dialog box, click the Buttons tab. 5. Drag the Double-click speed slider to adjust how quickly you want to click.Test the setting by double-clicking the folder icon. Then click Apply. 6. On the Pointers tab, click the down arrow in the drop-down box to choose a pointer scheme.. Click Mouse. . In the Mouse Properties dialog box, click the Buttons tab. 5. Drag the Double-click speed slider to adjust how quickly you want to click. Test the setting by double-clicking the folder icon. Then click Apply. 6.
DPI means Dot Per Inch. In theory, if a mouse has 1600 DPI, then, if you move your mouse one inch (2.54 cm), the mouse cursor will move 1600 pixels. The higher the DPI, the more sensitive the mouse is. That is, you move the mouse even a tiny bit, the pointer will move a huge distance across the screen. Almost all mouse sold today have about 1600 DPI. Gaming mouses usually have 4000 DPI or more, and can be increased/decreased by pressing a button on the mouse.