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I connected the +5v and gnd of my raspberry pi to an oscilloscope. Once I did that, my screen gave me a blank screen as if it is not getting any output from HDMI of raspberry pi. I turned off/on the board. The ACT LED will flash; the LAN LED also flashes. However, I no longer get any video signal. What did I do wrong? Any suggestions on how to fix it?

  • 2
    Is it possible that you may have shorted the GPIO pins? – Markusmoo Mar 12 '17 at 21:45
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    Have you tried a different sd card? – Mohammad Ali Mar 20 '17 at 0:10
  • yes I tried with a different SD card. No luck. @Mohammad Ali – MAS Apr 16 '17 at 13:31
  • Which 5v and ground did you connect? Do you mean the gpio pins or the test points? – Mohammad Ali Apr 16 '17 at 16:00
  • I am using a ADC DAC pi zero. I connected to the +5, gnd on that board. it has this schematics abelectronics.co.uk/docs/stock/raspberrypi/adcdacpizero/… @Mohammad Ali – MAS Apr 17 '17 at 2:41

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