Fan goes crazy when PS3 is turned on

Please help me, i teardowned a ps3 yesterday to clean it from dust, i didnt touched/destroyed anything. Inside the PS3 i just used a brush to remove the dust, then when i turned it on. The fan went into a overdrive, going all crazy, then after like 10 seconds it shutsdown.

And it keep repeating itself all the time, its a CECHL004

i have tried to replace the fan with another one, same problem occured, i replaced the PSU (power supply unit)

cause i tought it got to much voltage and the fan tried to keep up?

i changed it all back, but it still goes crazy please help me, i really want to fix this problem :(

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Did you repaste the CPU and GPU? If you did not do this that's why your PS3 is going into a protection mode. The idea is it prevents the CPU and GPU from getting damaged, since not having thermal paste prevents proper thermal transfer. I'd suggest new thermal paste before you do anything else.

Assuming the system was taken apart (or you don't need the guide again, here's a rough idea of how to do it on the PS3:

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update

Try doing this to fix the Blu-Ray issue. If it doesn't fix it it's the laser.

PlayStation 3 BluRay Laser Replacement

If you need it, here is a new drive you can get.

http://www.ebay.com/itm/NEW-SONY-PS3-Blu...

PS3的蓝光驱动器更换

PlayStation 3 蓝光驱动器张图片

指南

PS3的蓝光驱动器更换

难度:

中等

15 minutes - 1 hour

PlayStation 3 BluRay Laser张图片

指南

PlayStation 3 BluRay Laser Replacement

难度:

中等

20 minutes

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I put new paste ón yesterday and it worked :) you know why my blue Ray disc drive wont work after YLOD tried everything i Got 3 other blue Ray disc drive but it wont work :(?

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Danni 将永远感激不已
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