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37464
November 12th, 2011 10:00
dimension 4550 processor upgrade
I upgraded my dimension 4550 processor from 2.44 to 2.80 now my computer does not start, the mother board green light is on but it does not start, could you please help me, Thank you
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theflash1932
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16.3K Posts
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November 12th, 2011 10:00
What is the model number of the original proc and what is the model number of the one you upgraded to? Not all processors are supported.
fireberd
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33.4K Posts
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November 12th, 2011 10:00
First thought, go back and check all your cables, both power and other cabling and verify it is all connected properly (and connectors properly seated). The power light on the motherboard only denotes the power supply has power, not that it is OK. Do you get any power on indicator light and if you do what is the color and is it solid or flashing. If there is no light it suggests that there could be a bad/missing connection, a coincidental power supply failure, or that the CPU is incompatible.
shesagordie
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46K Posts
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November 12th, 2011 10:00
jcoronado
What is the sSpec number of the 2.80 that was installed?
You can use Northwood, P-4, 533/400MHz, 512k cache and 128k for Celeron.
The maximum processor for a Dimension 4550, is a P-4, 3.06/533MHz, 512k cache.
You cannot use P-4 Prescotts, 1mb cache, the 256k Celeron-D, or Core-2, no 800MHz FSB, on a Dimension 4550 motherboard.
Prior to installing the processor, did you check that BIOS version A08 is installed, when additional support for newer processors was added.
Bev.
shesagordie
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November 12th, 2011 10:00
jcoronado
3 Posts
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November 12th, 2011 10:00
lol, you all are right i didnt check the specs I believed that a p4 478 would work, UPC is not compatible i will get the right one this time, thanks for your help