new cpu wont work, but old works fine

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vanja500

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Apr 21, 2013
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hello everyone , im new here
so heres my problem :

i recently got a new cpu , amd sempron le-1250

so , when i got a new cpu , i updated my bios so the new cpu will work ( i checked if the new cpu will work on my mobo , and it works)

when i inserted a new cpu and booted up my pc , i heard fan going for about 3 seconds and no beep sound , then the pc turns off .

then i put back my old cpu and everything works fine .

im pretty sure that the bios update is ok.

wtf is heppening ( SORRY FOR MY BAD ENGLISH :) )

my pc specs:

-amd athlon 64 LE-1600 (OLD) , amd sempron LE-1250 (NEW)
-ASUS M2N-X motherboard ( bios 1101 )
-3gb ram
-amd radeon hd 4650
windows 7
 
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noidea_77

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Jul 28, 2012
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Trust me: you have the wrong model number then. If it's a dual core it's not a sempron le-1250 and so it's probably not supported be you mobo. That's why it doesn't work.
 
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vanja500

Honorable
Apr 21, 2013
5
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10,510
sorry i was wrong , i just cheched again the model of the cpu and it is AMD Athlon II X2 240 , but why did it recognised on my brothers pc that it is amd sempron le-1250 ?
 
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noidea_77

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Jul 28, 2012
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That's a bios problem. This name is not coded in the cpu anywhere. The cpu identifies itself with a code that is translated by the bios. I assume that the Athlon II X2 240 is not officially supported by your brothers bios and the Sempron is the closest match it could find. The Athlon II X2 240 is not on the support list of your mobo, because it requires at least a Socket AM2+. That's why you can't get it to run.
 
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