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Thread: Newly Built PC is Spontaneously Turning Off. Need Help.




  1. #1
    Join Date
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    Angry Newly Built PC is Spontaneously Turning Off. Need Help.

    I just recently built a PC for my friend, and after some RMA'd DoA RAM, I figured we were about to get up and running, but how terribly wrong I was. The PC just kept turning off and we figured it was a bad power supply. RMA'd the power supply and now we're having the same issues. Initially, the PSU made it much farther into the Windows installation process than before, turned off and now I am getting a boot manager not found error, which is an entirely different issue altogether. Basically, I would like to know how to get this thing stable so I can get his system set up. I have not encountered an issue like this before putting a PC together. Here are the specs:


    Mobo: GIGABYTE GA-X58A-UD3R LGA 1366 Intel X58 SATA 6Gb/s USB 3.0 ATX Intel Motherboard

    CPU: Intel Core i7-950 Bloomfield 3.06GHz LGA 1366 130W Quad-Core Processor BX80601950

    PSU: Thermaltake Black Widow W0319RU 850W ATX 12V v2.3, EPS 12V v2.91 CrossFire Certified 80 PLUS BRONZE Certified Modular Active PFC Power Supply

    RAM: Patriot Viper II Sector 7 Edition 12GB (3 x 4GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Desktop Memory Model PV7312G1333ELK

    HDD: Western Digital Caviar Black WD1002FAEX 1TB 7200 RPM SATA 6.0Gb/s

    Video: EVGA 01G-P3-1366-TR GeForce GTX 460 SE (Fermi) 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card

    All parts bought from Newegg, which is probably pretty obvious at this point. I did notice that the CPU Over Voltage LEDs on the motherboard were green, yellow, and red. I took some advice from this site and changed the voltage to about 1.3 to someone who was having a similar issue and it turned the lights green, red, green, and the system suffered even more instability than what it was before. Any help would be greatly appreciated.

  2. #2
    Chike is offline Senior Member
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    Default Re: Newly Built PC is Spontaneously Turning Off. Need Help.

    Does it shut down completely or reboot?
    Can you chaeck CPU temp in BIOS? Make sure it is seated properly.
    What is QPI Profile voltage?
    Maybe Install windows with one stick of RAM and then see about the other two.

  3. #3
    Acebmxer's Avatar
    Acebmxer is offline Gigabyte Elite
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    Default Re: Newly Built PC is Spontaneously Turning Off. Need Help.

    Can you boot into the Bios??? If you can load Optimized defaults press F10 to save and reboot. If you can not boot into the bios disconnect the ac cord from the back of the PSU press the powerbutton on the computer case to discharge all power from the motherboard. Press the Clear CMOS button on the back of the motherboard. Try booting into bios and load optimized defaults.

    Please post a link to the exact memory that is installed in the system.

    Code:
    Advanced CPU Features:
    CPU Clock Ratio ................................ [23x]
    Intel(R) Turbo Boost Tech .................. [Enabled]
    CPU Cores Enabled ............................ [All]
    CPU Multi Threading .......................... [Enabled]
    CPU Enhanced Halt (C1E) ................... [Enabled]
    C3/C6/C7 State Support .................... [Enabled]
    CPU Thermal Monitor ......................... [Enabled]
    CPU EIST Function ............................ [Enabled]
    Virtualization Technology ................... [Enabled] << Disabled if you do not use Vmware or Virtual PC Programs
    Bi-Directional PROCHOT ..................... [Enabled]
    
    
    Uncore & QPI Features:
    QPI Link Speed .............................. x36
    Uncore Frequency ..........................  20 or 21, 22(Always 2x memory Multi or 2x +1)
    Isonchronous Frequency ..................[Enabled]
    
    
    Standard Clock Control:
    Base Clock (BCLK) Control ................ [Enabled]
    BCLK Frequency (MHz) .....................133
    PCI Express Frequency (MHz) ........... [100]
    
    C.I.A.2 [Disabled]
    
    Advanced Clock Control:
    CPU Clock Drive ..............................[800mV]
    PCI Express Clock Drive ................... [900mV]
    CPU Clock Skew ............................. [0ps]
    IOH Clock Skew ............................. [0ps]
    
    
    Advanced DRAM Features:
    Performance Enhance ...................... [Expert]
    Extreme Memory Profile (X.M.P) ......... [Disabled]
    System Memory Multiplier (SPD) ........ [10]
    DRAM Timing Selectable (SPD) .......... [Manual]
    
    Channel A + B + C
    
    Channel A Timing Settings:
    ##Channel A Standard Timing Control##
    CAS Latency Time ...................... 9
    tRCD .......................................9
    tRP .........................................9
    tRAS .......................................24
    
    Below values may be left in Auto if you like, generally this is fine.  For those users who DO Set advanced timings manually, please see some of my thoughts and findings about these settings and rules here
    XtremeSystems Forums - View Single Post - Gigabyte EX58-UD5/Extreme Discussion Thread
    
    ##Channel A Advanced Timing Control##
    tRC ........................................ Auto (Should be = tRAS + tRP or above for stability)
    tRRD .......................................Auto
    tWTR ...................................... Auto(Must be Write to Read Delay/Same Rank - (tWL + 4)
    tWR ........................................Auto
    tWTP ....................................... Auto  (tWTP Must = tWR + tWL + 4)
    tWL ........................................  Auto  (tWL Must be CAS Latency -1)
    tRFC .......................................Auto
    tRTP .......................................Auto
    tFAW ......................................Auto
    Command Rate (CMD) ................T1
    
    ##Channel A Misc Timing Control##
    Round Trip Latency ...................Auto
    
    B2B CAS Delay ..........................Auto
    
    
    Advanced Voltage Control:
    
    CPU
    Load Line Calibration ................. [Disabled]
    CPU Vcore ...............................Normal
    DVID......................................   +0.0000
    QPI/VTT Voltage 1.150v ............1.275-1.425
    CPU PLL 1.800v .......................1.8
    
    MCH/ICH
    PCIE 1.500v ...........................Auto
    QPI PLL 1.100v .......................Auto
    IOH Core 1.100v .....................Auto
    ICH I/O 1.500v .......................Auto
    ICH Core 1.1v ........................Auto
    
    DRAM
    DRAM Voltage 1.500v .............. 1.6-1.66v
    DRAM Termination 0.750v [AUTO]
    Ch-A Data VRef. 0.750v [AUTO]
    Ch-B Data VRef. 0.750v [AUTO]
    Ch-C Data VRef. 0.750v [AUTO]
    Ch-A Address VRef. 0.750v [AUTO]
    Ch-B Address VRef. 0.750v [AUTO]
    Ch-C Address VRef. 0.750v [AUTO]
    You can try the settings that I have suggested in Red and see if that helps out.
    Main Rig
    Gigabyte z87x-OC
    Haswell i7 4770k - 4.7Ghz @ 1.330v LLC Extreme (L310B492)
    G.Skill F3-1700CL9D-8GBXM DDR3-2133mhz 9-11-10-28 1.65v @ 2800mhz 12-14-14-35 1.7v
    Samsung Green 8GB 2x4GB MV-3V4G3D/US DDR3 1.3v 30nn @ 2200Mhz 11-11-11-32 1.60v
    Sapphire ATI HD 7970 3GB clocked 1200MHz @ 1.181v.
    HiS ATI HD 6950
    Samsung 840 Pro 256GB SSD (boot Drive) on Intel sata3 controller port0
    Corsair Force GT 120 GB Sata3 SSD on Intel sata3 controller port1
    Samsung 320GB HD322GJ 7200 RPM 16M cache on Intel sata3 controller port2
    Sony Optiarc DVD-RW AD-7240S on Intel sata3 controller port5
    CORSAIR CMPSU-850TX PSU
    Swiftech MCP655-B Pump
    EK Supremacy Cpu Block
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    Black Ice GTX Xtreme 360 Radiator





  4. #4
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    Default Re: Newly Built PC is Spontaneously Turning Off. Need Help.

    CPU Temp is 86 C
    QPI Voltage is 1.15
    The computer is completely shutting down, not restarting.
    Occasionally there is a hiccup during startup where it will turn off briefly and then turn on.

    I did get into BIOS to find that information obviously and I loaded optimized defaults, but I did not manage to make any of your red changes. It is not staying on long enough for me to really do anything meaningful.

    Newegg.com - Patriot Viper II Sector 7 Edition 12GB &#40;3 x 4GB&#41; 240-Pin DDR3 SDRAM DDR3 1600 &#40;PC3 12800&#41; Desktop Memory Model PV7312G1600ELK

    That is a link to the RAM I am using.

  5. #5
    Chike is offline Senior Member
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    Default Re: Newly Built PC is Spontaneously Turning Off. Need Help.

    86C in BIOS? They should not be that high under load at stock, let alone at idle.
    Either the CPU heatsink is not sitted properly or not enough thermal paste.

    I meant Profile QPI Voltage that is under DRAM Timing Selectable, not the default shown for QPI/Vtt Voltage.

  6. #6
    Acebmxer's Avatar
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    Default Re: Newly Built PC is Spontaneously Turning Off. Need Help.

    Quote Originally Posted by JusticePope View Post
    CPU Temp is 86 C
    QPI Voltage is 1.15
    The computer is completely shutting down, not restarting.
    Occasionally there is a hiccup during startup where it will turn off briefly and then turn on.

    I did get into BIOS to find that information obviously and I loaded optimized defaults, but I did not manage to make any of your red changes. It is not staying on long enough for me to really do anything meaningful.

    Newegg.com - Patriot Viper II Sector 7 Edition 12GB &#40;3 x 4GB&#41; 240-Pin DDR3 SDRAM DDR3 1600 &#40;PC3 12800&#41; Desktop Memory Model PV7312G1600ELK

    That is a link to the RAM I am using.
    If CPU temp is hitting 86c do not go any further and recheck the heat sink seating. reaply thermal grease and make sure heat sink is properly secured to the cpu. I think max cpu temp for these cpus is only 75c core temp can get to 100c but not cpu temp.
    Main Rig
    Gigabyte z87x-OC
    Haswell i7 4770k - 4.7Ghz @ 1.330v LLC Extreme (L310B492)
    G.Skill F3-1700CL9D-8GBXM DDR3-2133mhz 9-11-10-28 1.65v @ 2800mhz 12-14-14-35 1.7v
    Samsung Green 8GB 2x4GB MV-3V4G3D/US DDR3 1.3v 30nn @ 2200Mhz 11-11-11-32 1.60v
    Sapphire ATI HD 7970 3GB clocked 1200MHz @ 1.181v.
    HiS ATI HD 6950
    Samsung 840 Pro 256GB SSD (boot Drive) on Intel sata3 controller port0
    Corsair Force GT 120 GB Sata3 SSD on Intel sata3 controller port1
    Samsung 320GB HD322GJ 7200 RPM 16M cache on Intel sata3 controller port2
    Sony Optiarc DVD-RW AD-7240S on Intel sata3 controller port5
    CORSAIR CMPSU-850TX PSU
    Swiftech MCP655-B Pump
    EK Supremacy Cpu Block
    Swiftech Mcres Micro Rev 2 Reservoir
    Black Ice GTX Xtreme 360 Radiator





  7. #7
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Newly Built PC is Spontaneously Turning Off. Need Help.

    +1 ^^ for sure!

    Something is not right with your heatsink installation.

  8. #8
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    Default Re: Newly Built PC is Spontaneously Turning Off. Need Help.

    Yeah, it turns out it was the heat sink not being in properly. One of the corners was not in completely. When we initially had the DoA RAM issue, we had checked to make sure the CPU is installed correctly and we must not have put the heat sink back in. Thanks a lot for all of your input. Glad to put this behind me.

  9. #9
    Acebmxer's Avatar
    Acebmxer is offline Gigabyte Elite
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    Default Re: Newly Built PC is Spontaneously Turning Off. Need Help.

    So everything is ok now? If so glad to hear. If you need any further help with settings just let us know...
    Main Rig
    Gigabyte z87x-OC
    Haswell i7 4770k - 4.7Ghz @ 1.330v LLC Extreme (L310B492)
    G.Skill F3-1700CL9D-8GBXM DDR3-2133mhz 9-11-10-28 1.65v @ 2800mhz 12-14-14-35 1.7v
    Samsung Green 8GB 2x4GB MV-3V4G3D/US DDR3 1.3v 30nn @ 2200Mhz 11-11-11-32 1.60v
    Sapphire ATI HD 7970 3GB clocked 1200MHz @ 1.181v.
    HiS ATI HD 6950
    Samsung 840 Pro 256GB SSD (boot Drive) on Intel sata3 controller port0
    Corsair Force GT 120 GB Sata3 SSD on Intel sata3 controller port1
    Samsung 320GB HD322GJ 7200 RPM 16M cache on Intel sata3 controller port2
    Sony Optiarc DVD-RW AD-7240S on Intel sata3 controller port5
    CORSAIR CMPSU-850TX PSU
    Swiftech MCP655-B Pump
    EK Supremacy Cpu Block
    Swiftech Mcres Micro Rev 2 Reservoir
    Black Ice GTX Xtreme 360 Radiator





  10. #10
    Chike is offline Senior Member
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    Default Re: Newly Built PC is Spontaneously Turning Off. Need Help.

    If you removed the heatsink and reinstalled it you had to clean both CPU and heatsink from old paste and reapply new for best heat dissipation.
    Always take extra caution when removing/installing the CPU not to damage the soket/pins.
    Of course the PC must be disconnected from power, and ground yourself to prevent electrostati damage.

    Good luck.

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