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RPi Easy SD Card Setup - eLinux.org

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Writing spills off the screen on HD monitors<br />

Out of the box, R-Pi graphics may be larger than the 1080p (ie Full HD) screen. This is<br />

due to something called "Overscan", and it can be fixed easily by creating a simple text<br />

file on the R-Pi <strong>SD</strong> card by using Notepad on your PC.<br />

Follow the instructions in the section "Big black borders around small image on HD<br />

monitors", but use positive numbers for the overscan settings, for example<br />

overscan_left=20<br />

overscan_right=20<br />

overscan_top=20<br />

overscan_bottom=20<br />

Interference visible on a HDMI or DVI monitor<br />

This may be caused by loss of signal on long video cables. The signal level may be<br />

increased by changing a configuration parameter.

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