How to Change the DPI of Images Exported from Slides in PowerPoint

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PowerPoint uses 96 dots per inch (dpi) by default when you export a slide. The DPI of the images like .tif ones exported from PowerPoint are always 96. In the options of PowerPoint, there is a setting for choosing DPIs. However, it have no effect. For some needs like images for printing posters, larger DPIs
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NVIDIA Driver in Linux not Displaying Logo During Booting

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The NVIDIA video card driver in Linux will display the NVIDIA logo by default during booting the X server after we successfully installed the driver. If we don’t like to see the logo every time we start X server, we can disable it. We need to edit the Xorg configuration file /etc/X11/xorg.conf with root permission.
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