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PSU faling?

Forum CPU & Components : Power Supplies, PC Cases & Case Mods - PSU faling?

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kanzyman   11-02-2007 at 07:25:24 PM

HI my PC has been acting wired that last few days when am running games lots of flicking and somethings that looks like colored dust on my screen and sometimes my PC even restarts.
I thought maybe something is wrong with my PSU its an Antec True Power 550 so I used Speedfan and here's what I've got:

Vcore 1 1.36v
+3.3v : 3.31v
+5v: 5.00V
+12V: 11.71V
-12v: -1.50V ??????
-5V: -8.78V
+5V: 4.89
Vbat 3.09V

AMD Athlon(tm) 64 X2 Dual Core Processor 4200+
NVIDIA GeForce 7900 GTX
SB X-Fi Audio
Windows XP Professional SP2
Corsair DDR 2048Mbytes 200 MHZ
Are those voltage readings ok?



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o1die   11-02-2007 at 09:33:24 PM
- 0 +

Could be a heat issue with the ps or video card. Are you overclocking? If so, I would start by resetting the bios to default using the cmos jumper.


Message edited by o1die on 11-02-2007 at 09:36:05 PM
Reply to o1die
kanzyman   11-03-2007 at 08:51:56 AM
- 0 +

Well, no am not overcloking.

Reply to kanzyman
croc   11-03-2007 at 10:11:43 AM
- 0 +

What program are you using to measure voltages? Or are you using a DVM....?

Your -12 and -5 rails look really suspect. I'd get a second opinion (say from a PC shop with test facilities) if you don't have a dvm, but I'd plan to get a new PSU...

I seem to recall that some of the early Antec True Power models had a few issues. The NeoHE models seem to be quite stable. However, check out jonnyguru.com for some up to date reviews.

Message quoted 1 times
Reply to croc
kanzyman   11-03-2007 at 10:29:53 AM
- 0 +

croc wrote :

What program are you using to measure voltages? Or are you using a DVM....?

Your -12 and -5 rails look really suspect. I'd get a second opinion (say from a PC shop with test facilities) if you don't have a dvm, but I'd plan to get a new PSU...

I seem to recall that some of the early Antec True Power models had a few issues. The NeoHE models seem to be quite stable. However, check out jonnyguru.com for some up to date reviews.



Am using speedfan, I've opend a ticket at antic support and got the following reply:
It seems your 12v voltage is on the low side. Also your -12v is our of
spec, and so is the -5v.

I suggest returning the power supply back to your seller to get the
power supply replaced.


If you are unable to return to your seller please follow the
instructions below.

1)Please fill out the RMA Request form at
http://www.antec.com/download/Ante [...] t_Form.xls

2)E-mail it back to Europe RMA at europe.rma@antec.com and CC
dmacagba@antec.com including a copy of your proof of purchase.

3)Make sure to include your TicketID number on the Subject.

4)You can also fax the necessary documents to our Rotterdam office at
+31 (10) 437-1752.

On receipt of your request, we will authorize the RMA and send the RMA
number to you, at which point you can return the product to our
Rotterdam office for exchange(address included in the RMA Request form).

Please go to this link for more information on our Warranty:
http://www.antec.com/us/warranty.p [...] mit=Submit

If you have any other question please contact us again. This ticket
will be closed.

Note: The TicketID is not a RMA number.

Jeff Smith
Antec Customer Support

So I guess its shopping time..
Thanks for the help mate.

Reply to kanzyman
Bronze CPUs badge jsc   11-03-2007 at 02:01:52 PM
- 0 +

If you do not mind poking around in your case, you can use a DMM to check the output voltages at the main PSU power plug while it's plugged into the motherboard.

I do not have the pinout of the plug handy, bu tit's a simple matter to look it up online. If the plug is accessible, you can carefully work the probe into the pins and measure. Or test by substitution.

Reply to jsc
tlmck   11-03-2007 at 03:19:53 PM
- 0 +

I would return it to Antec. They are very good about standing behind their products.

Reply to tlmck
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