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Thread: z68 pro3 gen3 keeps restarting, not overheating




  1. #1
    Join Date
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    Default z68 pro3 gen3 keeps restarting, not overheating

    My computer keeps restarting randomly, with no BSOD, minidumps, or events in event viewer (aside from errors from unexpected shutdowns). It's an i5 2500k on a z68 pro3 gen3, win7. It's not temperature related - temp doesn't go above 40C (using hwmonitor from cpuid). I thought it was the power supply - corsair 850W, replaced it with a 550W - didn't change a thing. No video card installed so I'm not using much power at all. Plugged it directly into the wall - no change either. Took off the heatsink and redid the thermal paste (arctic silver) - still doesn't get above 40C even with moderate use (stays aroung 36-38C) . All cores are below 40C. CPU fan is working properly. The interesting thing is that with the 550W power supply it's restarting more quickly, as opposed to in the past when it would shut down at random intervals, but stay on typically for >30 mins and sometimes up to an hour or two. Now it can't even get through chkdsk. I'm not sure that really matters though, as the problem still remains. Summary: restarting on its own, no change with new power supply, not overheating, not thermal paste issue.

    I'm out of ideas - anyone?

    windows 7 x64 sp1 pro
    asrock z68 pro3 gen3
    intel i5 2500k @3.3ghz
    intel hd graphics 3000
    seagate st1500dl003 (1.5TB)
    4gb x2 g.skill ripjaws ddr3-1600 8-8-8-24
    corsair vx550w power supply @550W
    plain metal case
    Last edited by ffuser1; 08-15-2013 at 12:53 PM.

  2. #2
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: z68 pro3 gen3 keeps restarting, not overheating

    Welcome to the forum.

    We need detailed information about ALL OF THE HARDWARE in your system.

    We can best help you after you create a detailed hardware list in the System Specs portion of your
    forum profile http://forums.tweaktown.com/profile.php?do=editprofile at the bottom of the
    profile page or in your forum signature http://forums.tweaktown.com/profile....=editsignature.
    Be sure to include brand names and model numbers.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  3. #3
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    Default Re: z68 pro3 gen3 keeps restarting, not overheating

    ok, i updated my signature. just in case it doesn't show...

    windows 7 x64 sp1 pro
    asrock z68 pro3 gen3
    intel i5 2500k @3.3ghz
    intel hd graphics 3000
    seagate st1500dl003 (1.5TB)
    4gb x2 g.skill ripjaws ddr3-1600 8-8-8-24
    corsair vx550w power supply @550W
    plain metal case
    windows 7 x64 sp1 pro
    asrock z68 pro3 gen3
    intel i5 2500k @3.3ghz
    intel hd graphics 3000
    seagate st1500dl003 (1.5TB)
    4gb x2 g.skill ripjaws ddr3-1600 8-8-8-24
    corsair vx550w power supply @550W
    plain metal case

  4. #4
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: z68 pro3 gen3 keeps restarting, not overheating

    Have you made any recent hardware of software changes to your system?
    When was the last time you ran a full anti-virus or malware scan?

    Bad connections are one of the first things I would check.
    With your computer unplugged from the wall outlet, I would remove and reconnect all wires and cables in your computer case.
    Double check that your psu 24-pin and 8-pin cables are fully seated.
    Now would be an excellent time to thoroughly clean out all dust from the inside of the case, heatsinks and cooling fans.
    Next I would remove and reconnect all memory modules and add-in hardware cards.
    Leave your cpu in the socket.
    Your cpu heatsink should be secure after you cleaned and replaced the thermal grease.

    Boot into windows using SAFE mode and see if your system is still having problems after 30 - 60 minutes.
    It might help to have HWiNfo64 running where you enable logging for all temperatures and voltages to see if there are any issues.

    It sounds like there might be a problem with your original power supply.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  5. #5
    Join Date
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    usa
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    Default Re: z68 pro3 gen3 keeps restarting, not overheating

    Just wanted to add to make sure you inspect board power plugs an PSU plugs for damage, such as melted plastic from a short. I would try only one memory stick, then after a shutdown try the other.

    Then if possible do a fresh install to rule out OS. If you have something like OC utility or core temp installed an can watch temp, you know it's not a heat problem.

    Just like Profjim said, it sounds like a PSU problem or she caused a board problem, but if you don't see any short damage on any plugs, this could be hard to figure out.

    Just remembered, I had a customer a while back who had 3yo PC for his kids, I didn't build it, but I tested all pos PSU voltage and checked ok, but when drawing after a while she would shut down, it was the PSU even though she tested ok.
    No bad CAPS, no visible damage, but load would keep resetting board.
    Last edited by odiebugs; 08-15-2013 at 06:03 PM.

  6. #6
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    Default Re: z68 pro3 gen3 keeps restarting, not overheating

    So I seem to have figured it out. I could have sworn it was going to be a PSU problem (that's why I bought another one) or due to overheating. Tested each memory stick and they're both good. Still restarts with only one of them in - even in different slots. The machine actually doesn't reset in safe mode... strange... so it's clearly a software issue. Doesn't make much sense as the restart times are random, used to be over an hour and have progressed to being so short as to not get through the windows boot or chkdsk. I figured I'd try a linux build I could boot through USB, but even those wouldn't work. Finally found one that would - Hiren's boot CD, which has a mini windows XP inside of it. Works great as a file manager. Deleted some folders (windows, restore, few others), renamed some others in case I need the files later (program files, docs and settings), and am now trying to install windows from USB also (no CD drive). Still not sure why 2 linux versions wouldn't load from USB (I could get to the initial linux boot gui, but after selecting a setting or two and actually booting into linux, it would freeze). Not a hardware problem after all. We'll see how the windows installation goes, as I'm curious to know which driver or update crippled my system. Thanks for all your help, I'll post back if things go terribly wrong and it turns out to be a combination of hardware and software.

    update.. windows installation from usb drive causes a restart too - won't get past the initial windows graphic. maybe there is something hardware or boot-record related?
    Last edited by ffuser1; 08-16-2013 at 04:23 PM.
    windows 7 x64 sp1 pro
    asrock z68 pro3 gen3
    intel i5 2500k @3.3ghz
    intel hd graphics 3000
    seagate st1500dl003 (1.5TB)
    4gb x2 g.skill ripjaws ddr3-1600 8-8-8-24
    corsair vx550w power supply @550W
    plain metal case

  7. #7
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
    Join Date
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    Default Re: z68 pro3 gen3 keeps restarting, not overheating

    My suggestion to use windows SAFE mode was a quick test to boot with minimal programs and windows services.
    You can run msconfig to selectively enable or disable some programs or windows services.
    Click on its HELP button for more information.

    When trying to boot from a usb drive, make sure that you are using one of the Intel usb 2.0 ports and NOT one of the Etron usb 3.0 ports.
    What is the the sata port name that your hard drive is connected to?
    If your hard drive is connected to one of the sata3 ports, connect it to the SATA2_2 port.
    Page 13 in your motherboard user manual shows the layout.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  8. #8
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    Default Re: z68 pro3 gen3 keeps restarting, not overheating

    I've tried your suggestions but still can't get it to work. What I have now is the following:

    Default settings in BIOS
    USB drive with windows install on it in non-usb 3.0 slot
    keyboard, monitor, and power plugged in

    I unplugged the mouse and even the hard drive. Still restarts when showing that initial "windows loading" graphic or occasionally it gets a little past that and I can see windows setup for a half second. Temperature in the bios shows cpu 36, MB 32.

    So now I'm lost.
    windows 7 x64 sp1 pro
    asrock z68 pro3 gen3
    intel i5 2500k @3.3ghz
    intel hd graphics 3000
    seagate st1500dl003 (1.5TB)
    4gb x2 g.skill ripjaws ddr3-1600 8-8-8-24
    corsair vx550w power supply @550W
    plain metal case

  9. #9
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    Location
    usa
    Posts
    373

    Default Re: z68 pro3 gen3 keeps restarting, not overheating

    I suggest you google how to test mobo before installing.

    What you do is remove the mobo and place it onto the mobo box, any box.

    Then you add the PSU, 24 and 8 or 4 pin, you need to read your manual about if you can run one stick and which slots you can run one slot.

    If using on board video, you need to just see if the board will stay powered up with bare minimum, so you can enter BIOS and change some of the defaults.


    READ, look at a couple of sites, having everything explained here is a nightmare.

    The more you read for yourself the more you learn.

    Placing the mobo on a box, inspecting the front and back before adding anything is recommended by most all mobo MFG's.

    If there is no power button on the board, read what to do.

    READ READ READ.

    Here is one site, don't just read this one, read 5 sites, learn for yourself what to do.

    If someone knows your board well and walks you through it, then I hope they get your board working.

    But learning is better then just doing the puppet thing.


    Here is one.

    How to Bench Test / Troubleshoot Your System - Tech Support Forum

  10. #10
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    Location
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    Default Re: z68 pro3 gen3 keeps restarting, not overheating

    Quote Originally Posted by odiebugs View Post
    I suggest you google how to test mobo before installing.

    What you do is remove the mobo and place it onto the mobo box, any box.

    Then you add the PSU, 24 and 8 or 4 pin, you need to read your manual about if you can run one stick and which slots you can run one slot.

    If using on board video, you need to just see if the board will stay powered up with bare minimum, so you can enter BIOS and change some of the defaults.


    READ, look at a couple of sites, having everything explained here is a nightmare.

    The more you read for yourself the more you learn.

    Placing the mobo on a box, inspecting the front and back before adding anything is recommended by most all mobo MFG's.

    If there is no power button on the board, read what to do.

    READ READ READ.

    Here is one site, don't just read this one, read 5 sites, learn for yourself what to do.

    If someone knows your board well and walks you through it, then I hope they get your board working.

    But learning is better then just doing the puppet thing.


    Here is one.

    How to Bench Test / Troubleshoot Your System - Tech Support Forum

    I'm not sure you read the above properly. This was a system that was working well. It's not a new system - I built it myself about a year ago and I've built systems in the past. This is about an issue that seemed to be hardware related in the beginning - random restarts with no BSOD, no errors in the system log, but also not related to temperature. Seemed to be a power supply issue. New power supply has the same issue. Then I was able to stay in safe mode for a whole day, so likely not the power supply. Then some USB live operating systems work, and some don't, making it seem like a hardware issue. Now, with no hard drive installed and just a keyboard and monitor attached, some live operating systems work (one boot disk running a mini version of winxp, and others with dos tools). No reboots or shutdowns. But trying to install windows results in restarts right away, making it seem like a hardware problem. Multiple versions of windows fail to install. RAM has been tested too. So now it seems like a hardware issue. It's puzzling. I've done a lot of reading but I've never come across something so strange, so I was looking to others who might have some insight for help before I chuck the motherboard.

    Right now the motherboard is on cardboard, RAM installed, power connected, and a keyboard and monitor attached. No temp issues. Can't get windows to install from a USB. Can't get previous version of windows to load (when I plug in the hard drive). So it's a barebones system, capable of using windows in safe mode or windows xp livecd perfectly well including internet and video, etc. To me that means all hardware is working well. So why the constant restarts? Why can't it load either my windows off the hd or multiple versions of windows setup from a usb? Just trying to figure out whether it's a hardware or software issue. It seems like software, so why the hardware malfunctioning?
    windows 7 x64 sp1 pro
    asrock z68 pro3 gen3
    intel i5 2500k @3.3ghz
    intel hd graphics 3000
    seagate st1500dl003 (1.5TB)
    4gb x2 g.skill ripjaws ddr3-1600 8-8-8-24
    corsair vx550w power supply @550W
    plain metal case

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