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Get the [secondary error code](https://xenonlibrary.com/wiki/Errors#Secondary_Error_Codes). I’m gonna guess the issue is powering on without heatsinks…
Why does nobody ever reply with the secondary error codes? It's like people just want to show off their faulty consoles, not actually fix them.
I also asked for the secondary error code here, and OP replied saying there was no video, so I explained they can still get the code, linked to Octal's video on how to get it, and just got downvoted and still no reply. SMH.
No video comes through at all. It’s strange because all I did was pop it apart to apply mew thermal paste. Done it on plenty 360 systems before this but system worked good just loud before and now nothing
> and now nothing.
There isn't nothing - it's showing RROD, which means there's a secondary error code. They're not shown on the display, they're shown on the ring of light, that's what makes them secondary.
You get it like this - https://youtu.be/netR2qoyfvE?si=99CTHfdDqCqqxTxe
Downvote for explanation. Never power on without heatsinks. End of lesson.
Metaphor: Your car overheats, so you take the radiator and coolant out and re-test it.
You got downvoted because the board isn't dead, and it's not going to die just because it got powered on without heatsinks.
The 360 will automatically shut down if the CPU or GPU hit a certain temperature - it doesn't just keep getting hotter until something breaks or it sets on fire. It's called thermal shutdown and has been a standard feature of processors for quite a long time now.
It's not ideal to power anything on without heatsinks, because rapid heating and the subsequent cooling will cause more thermal stress than necessary, but it would probably take hundreds, if not thousands, of times before it causes any real damage. Doing it a few times during maintenance/diagnostics/repair isn't really going to cause any damage - all you're going to get is the "Your Xbox 360 shut down due to insufficient ventilation" message on the next boot.
Also, in this case OP's console has a power issue, indicated by the RROD appearing immediately upon power on, and the buzzing is quite likely a capacitor that's causing it. When they fail at this stage, no power will be going to the CPU or GPU, so they won't be getting hot at all, not even warm, so there will be no damage caused by heat, so heatsinks would make no difference here.
What's "false" exactly? I said about 5 different things, all backed up with explanations. Just saying "False" is a terrible counter argument.
360s shut themselves down at 80-90°C - you can verify that by looking at settings in the NAND via JRunner. If that was enough to cause permanent damage to the chips or the motherboard itself they wouldn't have survived being soldering together in the first place, as that would require temps of more like 2-300°C.
You've tested it? So have I - been repairing consoles, especially 360s, for years, have done this hundreds of times, never had a board die because of it.
Like I said, it's not ideal, it's unnecessary thermal stress, it can reduce the lifespan of the chips by tiny amounts. But instant fail after just one time from this alone? False.
And if you're still not convinced, here you go - [https://imgur.com/y9TbULi](https://imgur.com/y9TbULi)
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I am guessing that it has to do smth with capacitors
Get the [secondary error code](https://xenonlibrary.com/wiki/Errors#Secondary_Error_Codes). I’m gonna guess the issue is powering on without heatsinks…
Why does nobody ever reply with the secondary error codes? It's like people just want to show off their faulty consoles, not actually fix them. I also asked for the secondary error code here, and OP replied saying there was no video, so I explained they can still get the code, linked to Octal's video on how to get it, and just got downvoted and still no reply. SMH.
You go ahead and keep giving out bad advice.
What's the secondary error code?
No video comes through at all. It’s strange because all I did was pop it apart to apply mew thermal paste. Done it on plenty 360 systems before this but system worked good just loud before and now nothing
> and now nothing. There isn't nothing - it's showing RROD, which means there's a secondary error code. They're not shown on the display, they're shown on the ring of light, that's what makes them secondary. You get it like this - https://youtu.be/netR2qoyfvE?si=99CTHfdDqCqqxTxe
It won't turn on without heatsinks mate.
Power on without heat sinks means that board is dead.
Just..... No
Downvote for explanation. Never power on without heatsinks. End of lesson. Metaphor: Your car overheats, so you take the radiator and coolant out and re-test it. 
You got downvoted because the board isn't dead, and it's not going to die just because it got powered on without heatsinks. The 360 will automatically shut down if the CPU or GPU hit a certain temperature - it doesn't just keep getting hotter until something breaks or it sets on fire. It's called thermal shutdown and has been a standard feature of processors for quite a long time now. It's not ideal to power anything on without heatsinks, because rapid heating and the subsequent cooling will cause more thermal stress than necessary, but it would probably take hundreds, if not thousands, of times before it causes any real damage. Doing it a few times during maintenance/diagnostics/repair isn't really going to cause any damage - all you're going to get is the "Your Xbox 360 shut down due to insufficient ventilation" message on the next boot. Also, in this case OP's console has a power issue, indicated by the RROD appearing immediately upon power on, and the buzzing is quite likely a capacitor that's causing it. When they fail at this stage, no power will be going to the CPU or GPU, so they won't be getting hot at all, not even warm, so there will be no damage caused by heat, so heatsinks would make no difference here.
False. Even one time. It heats up so fast even with 2 light rrod. it will damage the board. I've tested it. Instant 3 light rrod upon next boot.
What's "false" exactly? I said about 5 different things, all backed up with explanations. Just saying "False" is a terrible counter argument. 360s shut themselves down at 80-90°C - you can verify that by looking at settings in the NAND via JRunner. If that was enough to cause permanent damage to the chips or the motherboard itself they wouldn't have survived being soldering together in the first place, as that would require temps of more like 2-300°C. You've tested it? So have I - been repairing consoles, especially 360s, for years, have done this hundreds of times, never had a board die because of it. Like I said, it's not ideal, it's unnecessary thermal stress, it can reduce the lifespan of the chips by tiny amounts. But instant fail after just one time from this alone? False. And if you're still not convinced, here you go - [https://imgur.com/y9TbULi](https://imgur.com/y9TbULi)