AMD New build help

I have just completed a new build. However I get the PC to turn on but after its shows the Motherboard name it goes to a blank screen with a flashing line in the corner. Does anyone know what might be the problem?!?!

My PC is built with:

AMD Phenom II X4 955 3.2GHz Processor
Asus M4A78T-E motherboard
OCZ OCZ3G1600LV6GK 6144MB memory
LG DVD CDR/W w/ lightscribe
1 TB Hitachi Hard Drive
COOLMAX 750W Power Supply
XFX Radeon HD4870 graphics Card
2- 10mm fans
1- 8mm fan
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  1. I would blame those 10 and 8mm fans
  2. xthekidx said:
    I would blame those 10 and 8mm fans


    It sounds like you might have the boot priority set wrong in the BIOS. I would make sure your DVD drive is set as the first boot device so you can install your OS.

    That Coolmax PSU isn't going to do you any favors either.
  3. Can you access the BIOS menu? Give as many details as you can on what is going on. I would say its most likely the motherboard, but as shortstuff said that PSU isn't going to help the cause and could also be causing the problem.
  4. After taking yalls advice I looked into the bios settings. The boot priority was off. I fixed it and now can install Windows. So hopefully everything will be fine.

    I noticed there was a comment about the 10mm and 8mm fans? How can that be causing it? And what about the CoolMax PSU is that a bad one? Sorry I am not much informed about Hardware for PC's (newbie) even though this isn't my first build, it is just the first time I have ever had any trouble with building one.

    Thank you for all of your help
  5. The comment about the fans was a joke. Do you know how small 8mm is? Those are most likely 120mm and 80mm fans (12cm/8cm).

    CoolMax is not known as a quality PSU manufacturer. Using a cheap PSU always puts your system at risk since it can cause system stability problems. A cheap PSU can also burn up other hardware if it decides to blow up.
  6. @shortstuff_mt Sorry bout the stupid question. I have been very frustrated and had very little time when I posted up here. You are right about the fan sizes. This build has just been a very big pain from the start.

    I have finally got everything up and going. And I will be upgrading the PSU! The last thing I need is an unstable or problematic system. Do you have any suggestions for the PSU?

  7. I don't know where you live, so I'll just post newegg links.

    PC Power & Cooling S75QB 750W ATX12V / EPS12V SLI NVIDIA SLI Certified (Dual 8800 GTX and below) CrossFire Ready 80 PLUS Certified Active PFC Power Supply compatible with core i7 - Retail
    $10 off w/ promo code Maypsu10, ends 5/28

    CORSAIR CMPSU-750TX 750W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Compatible with Core i7 Power Supply - Retail

    SILVERSTONE ELEMENT ST75EF 750W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS BRONZE Certified Active PFC Power Supply - Retail
    $10 off w/ promo code Maypsu10, ends 5/28
  8. Thank you for all of your help. I will get rid of this coolmax and get one of the ones that you have recommended. Again thank you for all of your help.
  9. No problem. Good luck! :)
  10. Sorry, I didn't mean to cause confusion with the fan comment. I just thought it was funny. An 8mm fan would be about the size of the head of a nail. Glad to hear you got your issue figured out, I always prefer it to be a user defect than hardware defect because that is much easier to remedy!

    On the PSU, you don't need a 750w PSU if you won't do crossfire. A 550-600w PSU like the OCZ StealthXStream 600w would be fine and cheaper than those 750w units.
    OCZ StealthXStream 600w
    Seasonic S12 550HT
    BFG Tech LS SERIES LS-550

    All good options for single Video card setups.
  11. Well unfortunately I need at least a 600W PSU for the motherboard. I originally without doing enough research got a 550W BFG PSU and I couldn't get it to power on the Asus Motherboard and the Radeon HD 4870. Thats when Asus told me I needed at least 600W's. On top of that as soon as the money starts rolling in I plan to upgrade to Crossfire configuration. So it would be nice to not have to keep going through this mess if I don't have to.
  12. You don't need 600w for the motherboard. There really isn't a minimum power requirement for a motherboard, they use like 60w, with an IGP usually at the most and I think the smallest PSU I have seen is like 250w. If the last PSU you had didn't work, its not cause it didn't have enough wattage. But if Crossfire is the plan then those 750w PSU's that were suggested are good ones.
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