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not booting randomly

Discussion in 'Hardware' started by Lightmimic, Jun 17, 2019.

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  1. Lightmimic

    Lightmimic Thread Starter

    Joined:
    Jun 17, 2019
    Messages:
    1
    Okay I built a computer awhile ago about January it worked with zero problems for a long time till about a week about till now theres random times when my computer will boot and be fine and other times when it will not boot and will just have a white led on my motherboard which in the manual say is a VGA error but that cant be true because sometimes it still boots im really confused on what the issue is i brought it to a pc repair shop and they had no clue

    Cpu- r7 1700x (so no onboard video)
    Gpu- rx 470 msi gaming edition
    Mobo- strix b450-f gaming from RoG
    Ram is just 16gb of ddr4 3000mhz
    Psu- evga 750 watt

    No one i know of has any clue including that repair shop so any help would be so thanked, please
     
  2. lynx1021

    lynx1021

    Joined:
    Jan 7, 2014
    Messages:
    2,248
    Intermittent problems are the hardest to fix. You can try testing the memory first, Ryzen have been known to be very picky about memory.
    Create a bootable CD-ROM, Also an option to run it as a bootable USB
    Memtest 86 http://www.memtest86.com/technical.htm
    You have to extract it and burn it as an ISO "
    Guide to using Memtest86+
    https://www.wikihow.com/Test-PC-RAM-with-MemTest86
    I always run it over night.
    Here is some info about testing your GPU https://www.wepc.com/how-to/stress-test-graphics-card/
     
  3. crjdriver

    crjdriver Moderator

    Joined:
    Jan 2, 2001
    Messages:
    38,692
    In addition to testing the memory, I would also reseat both atx and aux pw connectors on the motherboard. While doing this, give both sides of the connectors a VERY close inspection with a bright light. Look for any signs of arcing or burn marks. Reseat your video card are sell. Do you by chance have another video card to test in your system?
    Electrical contacts can appear clean and still be dirty and causing problems. A few months ago, the stereo in my truck started to not come ON intermittently. Pull the unit out and cleaned contacts with contact cleaner. Reinstall stereo; no problems at all [the contacts looked clean]
     
  4. lynx1021

    lynx1021

    Joined:
    Jan 7, 2014
    Messages:
    2,248
    Adding to what crjdriver said, If you use contact cleaner, make sure it says "safe for plastics".
     
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