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N64 power light on, no video or audio. Blank screen of death.
https://www.sega-16.com/forum/showthread.php?25330-N64-power-light-on-no-video-or-audio-Blank-screen-of-death#:~:text=Try%20unplugging%20the%20AC%20adapter%2C%20leave%20the%20power,also%20try%20reseating%20the%20jumper%20%2F%20expansion%20pak.
N64 Turns on but there is no video - Nintendo 64 - iFixit
https://www.ifixit.com/Answers/View/476820/N64+Turns+on+but+there+is+no+video
N64 power light on, no video or audio. Blank screen of death.
https://www.sega-16.com/forum/showthread.php?25330-N64-power-light-on-no-video-or-audio-Blank-screen-of-death
Try unplugging the AC adapter, leave the power switch on for a while, then try out the N64 again. A bad fuse would cause the N64 to not power on. You could also try reseating the jumper / expansion pak. If those aren't working properly, the N64 won't be able to start up.
N64 no video/audio, low voltage on 12V : consolerepair
https://www.reddit.com/r/consolerepair/comments/s6nl7j/n64_no_videoaudio_low_voltage_on_12v/
Troubleshooting n64 - no video (UPDATE: Solved, read ...
https://www.youtube.com/watch?v=GBegcAnKJU0
Red light but no video or audio - Nintendo 64 - iFixit
https://www.ifixit.com/Answers/View/523339/Red+light+but+no+video+or+audio
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