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Old 12-06-2007, 10:15 AM   #1
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First build, need help

Iv just finished the hardware section of putting my computer together, but when i plug it into the mains and hook everything up, i press the power button and nothing happens, i could list my parts if it would help. Does anyone have any theorys on why this happens? They are all new parts and iv checked all the cables, i made it using a guide found on pcmech. thanks
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Old 12-06-2007, 10:22 AM   #2
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Try this: http://forum.pcmech.com/showthread.php?t=132409

Make sure it's out of the case when you do that.

And please list all parts, make and model including PSU if you still have any problems.
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Old 12-06-2007, 10:27 AM   #3
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PSU : 400W (came fitted in a dabs value tower case)
hardrive:Maxtor STM3250310AS 250GB SATAII 8MB Cache - OEM
ram: Extra Value 2GB Kit (2x1GB) DDR2 800MHz PC2-6400 240pin Extra Value Ram
graphics: Sapphire RADEON X1950PRO 512MB GDDR3 DUAL DVI TVO PCI-E Graphics Card
dvd writer:Lite-On SOHW-1693S 16x DVD±RW Dual Layer Internal IDE (Black) - OEM
processor: AMD Athlon 64 X2 6000+ (3GHz) Socket AM2 L2 2MB (2 x 1MB) Cache OEM Processor
mb: MSI K9AGM3-FIH socket AM2 AMD 690G PCI-E HDMI 8 channel audio mATX Motherboard


I have tried the whole outside of the case thing before posting but no luck
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Old 12-06-2007, 10:31 AM   #4
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also i had some £30 "cooler master" heatsink for the cpu that i got from pcworld
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Old 12-06-2007, 10:45 AM   #5
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So with just the video card, one stick of ram, the processesor and mb connected with the power supply you get nothing?

Do you have both the 24 pin and 4 pin power comnnected to the mb?
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Old 12-06-2007, 10:45 AM   #6
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i was thinking it might be a problem with the power as it was a cheap case, but i wasnt sure as it was new.
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Old 12-06-2007, 10:47 AM   #7
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If you answer yes to my questions above, then I would suspect the power supply before anything else.
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Old 12-06-2007, 10:47 AM   #8
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whats the 4 pin one? i have the one with all the wires, by 4 pin do you mean the one with yellow and black wires with a square head? (sorry i posted that before your message was on the screen)
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Old 12-06-2007, 11:02 AM   #9
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yes, iv been over it and i have those cables attached
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Old 12-06-2007, 11:33 AM   #10
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If you have them attached, the first thing i would try to do is get another power supply to try out and see if that works.
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Old 12-06-2007, 11:35 AM   #11
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i have an oldish pc downstairs, im checking the psu in that now
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Old 12-06-2007, 11:51 AM   #12
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nm seems my brother sold that ones psu. i ran a circuit checker over the cables and it showed power going through it so now i am confused. Do you think 400w is enough for that system?
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Old 12-06-2007, 12:02 PM   #13
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One site I just looked at said 450 or greater for the video card.
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Old 12-06-2007, 12:07 PM   #14
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wow my dad took the psu out and hit it and it started working
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Old 12-06-2007, 12:08 PM   #15
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thanks for the help, ill probally upgrade my psu when i get some money
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Old 12-06-2007, 12:14 PM   #16
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wait i have another problem, the monitor sais no signal, eeven though its clearly plugged into the motherboard and the mains. any thoughts?
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Old 12-06-2007, 12:15 PM   #17
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If he had to hit it for it too work, i wouldn't even use it. A bad power supply could take a lot of other expensive parts with it when it dies.

Better off spending a little bit now instead of a lot later on.

Here is a link for good PSU: http://forum.pcmech.com/showthread.php?t=131195

EDIT: Make sure your monitor is set to digital input. Look for an input or soiurce selection on the monitor itself.
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Old 12-06-2007, 12:27 PM   #18
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ah i found out i had an adaptor for lcd monitors, im a fool, thanks for the help
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