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Thread: PSU Problem - low 3.3v

  1. #1
    Oufti behappier's Avatar
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    PSU Problem - low 3.3v

    See thread http://forums.hexus.net/showthread.php?t=63197

    Can you help ?

    Thanks

  2. #2
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    • aidanjt's system
      • Motherboard:
      • Asus Strix Z370-G
      • CPU:
      • Intel i7-8700K
      • Memory:
      • 2x8GB Corsiar LPX 3000C15
      • Storage:
      • 500GB Samsung 960 EVO
      • Graphics card(s):
      • EVGA GTX 970 SC ACX 2.0
      • PSU:
      • EVGA G3 750W
      • Case:
      • Fractal Design Define C Mini
      • Operating System:
      • Windows 10 Pro
      • Monitor(s):
      • Asus MG279Q
      • Internet:
      • 240mbps Virgin Cable
    check your 3.3V rail with a multimeter, motherboard enviromental measurement chips are well known to be inaccurate and failing. for example, my Asus motherboard shows my +12V rail to fluxuate between 11.56V and 11.68V, I tested it with a mutli-meter and there's only a 0-0.01V flux.
    Quote Originally Posted by Agent View Post
    ...every time Creative bring out a new card range their advertising makes it sound like they have discovered a way to insert a thousand Chuck Norris super dwarfs in your ears...

  3. #3
    Oufti behappier's Avatar
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    Thanks for your advice. I actually use the mobo software and compare what I had before where it was rock solid. Now it shows it fluctuating 2.8 - 3.1 and software started crashing randomly. It looks like there is definitely a problem.

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    • aidanjt's system
      • Motherboard:
      • Asus Strix Z370-G
      • CPU:
      • Intel i7-8700K
      • Memory:
      • 2x8GB Corsiar LPX 3000C15
      • Storage:
      • 500GB Samsung 960 EVO
      • Graphics card(s):
      • EVGA GTX 970 SC ACX 2.0
      • PSU:
      • EVGA G3 750W
      • Case:
      • Fractal Design Define C Mini
      • Operating System:
      • Windows 10 Pro
      • Monitor(s):
      • Asus MG279Q
      • Internet:
      • 240mbps Virgin Cable
    I'd still check the PSU directly with the multimeter, software crashing could be attributed to anything from Windows, to CPU overheating.
    Quote Originally Posted by Agent View Post
    ...every time Creative bring out a new card range their advertising makes it sound like they have discovered a way to insert a thousand Chuck Norris super dwarfs in your ears...

  5. #5
    Senior Member specofdust's Avatar
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    I've come across plenty of Tagans now that have bad 3.3 or 5.0V rails. Tagan just get worse and worse in my eyes.

    Good luck getting OcUK to recognise that a weak 3.3V rail is a problem, they're terrible for most people, be surprised if they were different for you.

    Deal directly with the manufacturer, tagan, but, be prepared for a wait, a few people I've known who've had to RMA tagans have waited weeks for just a response to their RMA request emails, and theres no phone support unless you live in Germany.

  6. #6
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    Contact Nanopoint, they deal with the RMA's for Tagan in the UK, they sorted out my Tagan PSU RMA within 3 days. Just make sure it really is a faulty PSU as they may charge you the £14 it costs to drop off a new PSU and take away the old one (if they test your old one and its not faulty).

    Overall I was impressed by the RMA procedure and am happy with my Tagan.
    'All days should be weekends...i'd never complain then'

  7. #7
    Oufti behappier's Avatar
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    Thanks for the advice, I have contacted Nanopoint and may be able to go and swap today at their offices. Waiting for them to call me back.

  8. #8
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    • aidanjt's system
      • Motherboard:
      • Asus Strix Z370-G
      • CPU:
      • Intel i7-8700K
      • Memory:
      • 2x8GB Corsiar LPX 3000C15
      • Storage:
      • 500GB Samsung 960 EVO
      • Graphics card(s):
      • EVGA GTX 970 SC ACX 2.0
      • PSU:
      • EVGA G3 750W
      • Case:
      • Fractal Design Define C Mini
      • Operating System:
      • Windows 10 Pro
      • Monitor(s):
      • Asus MG279Q
      • Internet:
      • 240mbps Virgin Cable
    Just please make sure you test it with a multi-meter, I can't stress this enough, the problem could easily be your motherboard and you will have wasted your time completely. A cheap multi-meter can be purchased from Maplins for a few quid. If you need help with checking your rails don't hessitate to ask.
    Quote Originally Posted by Agent View Post
    ...every time Creative bring out a new card range their advertising makes it sound like they have discovered a way to insert a thousand Chuck Norris super dwarfs in your ears...

  9. #9
    Oufti behappier's Avatar
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    Quote Originally Posted by aidanjt
    If you need help with checking your rails don't hessitate to ask.
    I've got a multimeter, where is the 3.3V ?

  10. #10
    Gentoo Ricer
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    • aidanjt's system
      • Motherboard:
      • Asus Strix Z370-G
      • CPU:
      • Intel i7-8700K
      • Memory:
      • 2x8GB Corsiar LPX 3000C15
      • Storage:
      • 500GB Samsung 960 EVO
      • Graphics card(s):
      • EVGA GTX 970 SC ACX 2.0
      • PSU:
      • EVGA G3 750W
      • Case:
      • Fractal Design Define C Mini
      • Operating System:
      • Windows 10 Pro
      • Monitor(s):
      • Asus MG279Q
      • Internet:
      • 240mbps Virgin Cable
    http://img9.exs.cx/img9/9218/auxmolex.jpg

    Auxillery connector, red contact in the orange wire, black to black of course. Set the multimetter to test for 20VDC
    Quote Originally Posted by Agent View Post
    ...every time Creative bring out a new card range their advertising makes it sound like they have discovered a way to insert a thousand Chuck Norris super dwarfs in your ears...

  11. #11
    Oufti behappier's Avatar
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    Well, went to Telford to see NanoPoint. most helpful more like.

    Got my new PSU installed and everything is fine, got 3.34V rock solid. V Happy.

  12. #12
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    Quote Originally Posted by behappier
    Well, went to Telford to see NanoPoint. most helpful more like.

    Got my new PSU installed and everything is fine, got 3.34V rock solid. V Happy.
    Glad you got this one sorted.. would have been a knightmare if all contact with Tagan warranty had been in Germany. Nanopoint handled my RMA's just great as well.
    'All days should be weekends...i'd never complain then'

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