Raspberry Pi HDMI display not working, solution

1)open terminal

2) type(sudo nano /boot/config.txt)

3) find (hdmi_force_hotplug=1)uncomment the # simple before the line

4) find (config_hdmi_boost=4)uncomment the # simple before the line

5) press ctrl+o

6)press enter

7) press ctrl+x

8)press enter

9) reboot your system .it,done

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