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PC sometimes stuck on bios on first boot. Fixes after restart.

Discussion in 'Hardware' started by rag0n, Mar 31, 2015.

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  1. rag0n

    rag0n Thread Starter

    Joined:
    Mar 31, 2015
    Messages:
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    I have a desktop pc almost 1 year old. Sometomes when i turn it on it is stuck on the motherboard logo and gives no power to the usb devices. When i press the reset button it starts normally. Can you help please?

    Cpu i7 4770
    Mb gigabyte ga-z87m-hd3
    Ram 16 gb
    Gpu gigabyte windforce gtx 760
    Psu bitmore 650 watt
     
  2. crjdriver

    crjdriver Moderator

    Joined:
    Jan 2, 2001
    Messages:
    39,922
    Cold boot problems that go away after a reboot are very often pw supply problems. What happens is that the capacitors in the pw supply discharge over time. When you first pw ON, there just is not enough pw to boot the system. After a restart, it works.

    I have never heard of the pw supply you list. The very first thing I would do would be to swap in a known good, quality pw supply. Something like a high end corsair or seasonic unit.

    As a simple test, pull your video card out and connect to the onchip video. If it boots ok with the onchip video, you know you have a pw problem.
     
  3. flavallee

    flavallee Trusted Advisor

    Joined:
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    Messages:
    80,742
    First Name:
    Frank
    You didn't completely describe that graphics card, but it appears to be a dual-width, dual-fan model.

    From what I can determine, it's power-hungry and requires a minimum of a 500 watt power supply.

    -----------------------------------------------------------
     
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