Sunday 10 January 2016

Raspberry Pi: Setting Your Display

After we already run our Raspberry Pi with Raspbian "Wheezy" operating system at the first time as described on previous idea, it seems that something wrong with the output display on our monitor/TV. The display is overlap with our monitor/TV.



So, in this idea I would like to share how to set and fix the overlap display. 

The default resolution that the Raspberry Pi has is 1280 x 720. Sometimes, some monitors/TVs doesn't support this resolution. So we must set the display to fit the output display on our monitor/TV. To set the display, we just edit 4 lines in /boot/config.txt.

Here we go for the step to fix the display problems.

Step 1: Login to the Raspbian "Wheezy" operating system

Before we go through, as always, we must login to the Raspbian "Wheezy" operating system. Enter your username and password. If you didn't change the password, it will be username: pi and password: raspberry.

 raspberry login: pi
 Password: raspberry

Step 2: Backup the original file

Remember: For now and next time before we edit some files, we must back the file first. So, if there is something happen after we edit the file, we can revert it back to original default setting.

 sudo cp /boot/config.txt /boot/config.txt.bak

Step 3: Edit the file

After we have the back up file, it is time to edit the file.

 sudo nano /boot/config.txt

To fix the overlap display we just edit 4 lines only. Find the overscan_ lines and bash it out.

 overscan_left=40
 overscan_right=50
 overscan_top=40
 overscan_botton=15

Edit the value as you like and save it.

Step 4: Feel the difference

After the edit step is done, it is the time to feel the difference by reboot our system.

 sudo reboot  

And see what happen to the output display on our monitor/TV


If the display still overlap with the monitor/TV, we can just edit the overscan value and reboot it again.


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