Computer will not start with new cpu

April 13, 2011 at 01:14:45
Specs: Windows XP, Q9400/6
Bought a Q9400 cpu for an Asrock G31M-s R2.0 motherboard. Computer will turn on for a split second only. Computer works fine with E6700 cpu. So I know MB is fine.

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April 13, 2011 at 07:33:57
Try to clear cmos after installing new chip and make sure to apply thermal paste correct.

We can not fight new wars with old weapons, let he who desires peace prepare for war - PROPHET.

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April 13, 2011 at 08:54:18
and make sure ur psu is enough for that cpu

computers are a second home

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April 14, 2011 at 20:45:12
Tahnks. If a new PSU is needed can you recommend one? The current PSU is an ATX P4 500w.

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April 16, 2011 at 10:57:19
"The current PSU is an ATX P4 500w"

That means nothing. How about a make/model & amperage specs?

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April 16, 2011 at 17:28:19
Sorry bout that. here are the ratings of the PSU, 500w, +5V/32A, +12V/14A, -5V/.5A, -12V/.8A, 3.3V/28A, +5VSB/2A. Hope this is the info you need. Thanks again for the help.

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April 16, 2011 at 19:39:08
Talk about false ratings! The 500Watts are unusable since MOST of the amperage in on the 5V and 3.3V rails with only 14Amps on the 12Volt rail.
This is what a decent 500Watt power supply should show on it's specs:

Ultra X4 500-Watt Modular Power Supply
Form Factor: ATX
Wattage: 500W
SLI/Crossfire: CrossFire Certified
Modular Cabling: Yes
Special Features: Modular
Energy Efficiency: 80 PLUS Bronze
Fan: 135 mm
Input Voltage: 115 ~ 230
+3.3V: 24 A
+5V: 24 A
+12V 1: 32 A
-12V: 0.5 A
+5VSB: 2 A
MTBF: 100,000 hours at 25°C
Dimensions: 5.8" x 6" x 3.5"
Motherboard Connector: 24-Pin
Motherboard Power Connector: 4 Pin MB 8 Pin MB
6-Pin PCI-Express Connector: 2
8-Pin PCI-Express Connector: 1
4-Pin Floppy Connector: 2
4-Pin Peripheral Connector: 9
SATA Power Connector: 11
I am not saying you should get this one specifically, but you need to know what to look for. A good PS with 500Watts and 80% or better efficient should handle your system unless you are using (or plan to use) a serious gaming graphics card, then you may need more. Look at some of these:
Look for a single 12Volt rail with a reasonably high amperage, a high efficiency rating, a quality brand, and good customer reviews.

You have to be a little bit crazy to keep you from going insane.

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April 16, 2011 at 22:50:52
Thanks for all the help. I'll let you know how itworks out. Gotta wait til paydat for new PSU though.

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