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I have shorted 5v and Gnd pins accidentally. Thereafter pi stopped booting.

So I re-installed rasbian image on SD card and it is booting now. But there is a problem: Temperature reported by raspberry pi overshoots up to 90 Celsius and heat sink doesn't help.

Anybody know how to find out why its overheating though I am not overclocking it?

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  • It is on its way to the grave. Commented Nov 16, 2017 at 4:07
  • There is nothing I can do about it ? Pi turns off itself after 90 Celsius.
    – zero
    Commented Nov 16, 2017 at 4:31
  • No, it is dead (or dying). Commented Nov 16, 2017 at 4:33
  • Not necessarily, what is the real CPU temperature? If you don't have a temperature probe, use your finger. If it's tolerable heat, you're at 50°, if it's 80° or higher you can't keep your finger pressed for more than a second. If it is unbroken, you can adjust the temp at which to throttle cpu, in config.txt
    – user2497
    Commented Oct 12, 2019 at 11:05
  • As I mentioned the temperature reaches 90 degree Celsius. After sometime RPI shutdown itself (this might due to throttling).
    – zero
    Commented Oct 16, 2019 at 13:44

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You've killed your Pi. Time to buy another one.

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