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Thread: PC on - off by itself every 3-5 sec




  1. #11
    Join Date
    Jan 2009
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    31

    Default Re: PC on - off by itself every 3-5 sec

    For wazza300
    as for psu cant u try the psu in the pc your using now just to eliminate psu problems???
    I did try the PSU with my PC but I'm not sure if the PSU is ok or not.I even bought the PSU tester just to check my PSU but I don't have any idea about electricity or voltage that is why I asked it on my last thread.I even put the picture of the PSU tester's result.
    I will try to talk with the computer store whether they will help me to RMA the RAM or not.btw I need to confirm it first if my RAM is the problem or not,otherwise it will be bad if we just say the RAM is the problem and then actually it's not the problem.Anyways thank you for your help.

    For 07JetBlack675
    Thank you for your help this far and thank you for keeping in touch with me about this problem.I will try to buy cheap RAM just to test my PC whether if my RAM is the problem or not.Does your PC keep rebooting every 3-5sec too?

  2. #12
    Join Date
    Aug 2009
    Location
    Birmingham,Great Britain
    Posts
    9,250

    Default Re: PC on - off by itself every 3-5 sec

    Quote Originally Posted by anbu84 View Post
    For wazza300

    I did try the PSU with my PC but I'm not sure if the PSU is ok or not.I even bought the PSU tester just to check my PSU but I don't have any idea about electricity or voltage that is why I asked it on my last thread.I even put the picture of the PSU tester's result.
    I will try to talk with the computer store whether they will help me to RMA the RAM or not.btw I need to confirm it first if my RAM is the problem or not,otherwise it will be bad if we just say the RAM is the problem and then actually it's not the problem.Anyways thank you for your help.

    For 07JetBlack675
    Thank you for your help this far and thank you for keeping in touch with me about this problem.I will try to buy cheap RAM just to test my PC whether if my RAM is the problem or not.Does your PC keep rebooting every 3-5sec too?
    no i just thought you had two pcs,and to try swapping psu's to see if it fixes iti think you can try with one stick of ram and see if it boots up and stays on one stick in number one slot you might need to read manual so you know which slot to try with one stick
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  3. #13
    Join Date
    Jan 2009
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    31

    Default Re: PC on - off by itself every 3-5 sec

    I only have 1 PC and this is my first rig so I don't have any parts that I can swap unless I buy the part and return it back to the store but it will be troublesome.I'm gonna try one RAM and see what will happen...I'm gonna let you know again.Thank you again for your help

  4. #14
    Join Date
    Jan 2009
    Posts
    31

    Default Re: PC on - off by itself every 3-5 sec

    Sorry for the late reply.Kinda busy with school stuff.Ok,so I have tried to use my OCZ RAM in slot 1 and I also tried my other OCZ RAM also in slot 1 but they didn't change anything.My PC still turn on-off itself.I also bought CMOS jumper to clear my CMOS and yet,It still reboot itself.I don't know what I should do anymore.Is there a possibility because my mobo?

  5. #15

    Default Re: PC on - off by itself every 3-5 sec

    i have posted about this a few times before as many other people have the same problem. I fixed mine by removing all case and cpu fans from the mobo fan headers, basically disconnecting all leads from the case to mobo , with the exception of the cpu fan header. And just connect all fans directly to the psu.

    Yea its weird but strangely enough it sure worked for me. Another cause of this can be incorrect memory timings/settings. The machine will try and try and try again to boot , looking for settings that work. Seems thats why it reboots over and over, looking for working settings.

    Give it a try, i didn't think it would work but here i am.
    i7 930 @ 4.2 ghz (200x21) 1.34 vcore 1.33 qpi
    Noctua U12P se1366 Push Pull w/scythe slipstreams
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  6. #16
    Join Date
    Jan 2009
    Posts
    31

    Default Re: PC on - off by itself every 3-5 sec

    Ok,I have removed everything that connect to mobo and the case but it still didn't work.
    As for memory's timing,I didn't set my memory's timing and I just let the setting in default mode.

  7. #17

    Default Re: PC on - off by itself every 3-5 sec

    ok go ahead and manually set those mem timings , not sure what is considered loose for your specific setup but OCZ says 5 5 5 15. start by manually setting those and make sure they are of the correct speed set in bios.
    i7 930 @ 4.2 ghz (200x21) 1.34 vcore 1.33 qpi
    Noctua U12P se1366 Push Pull w/scythe slipstreams
    6GBOCZ1333 @ 1600 - 9 9 9 24 1.64v
    Gigabyte EX58-UD3R f11
    Corsair tx750 PSU
    EVGA GTX260 SC
    Intel SSD80GBG2C1 OS/Apps
    WD Caviar Black 500gb Data
    ASUS Xonar DX
    Klipsch Promedia 2.1
    CM690 Case 3 in 3 out
    Windows 7 64bit

  8. #18
    Join Date
    Jan 2009
    Posts
    31

    Default Re: PC on - off by itself every 3-5 sec

    I mean I didn't set any setting for memory's timing before the PC continuously reboot before it enters POST and BIOS.I tried to reset the CMOS and took out the BIOS battery but it still didn't work.I didn't connect anything to the mobo except the CPU,1 RAM in slot 1 and ATX cable but yet i didn't work.

  9. #19

    Default Re: PC on - off by itself every 3-5 sec

    Thats why auto should be avoided to begin with. My memory is spec'd at 1333mhz 7 7 7 20 timings. Will not boot those . Very ugly. I hope u didnt disconnect everything from your mobo per my suggestion. Only things to be removed were case fans connected to the mobo fan headers and move them to PSU power instead of motherboard power.
    i7 930 @ 4.2 ghz (200x21) 1.34 vcore 1.33 qpi
    Noctua U12P se1366 Push Pull w/scythe slipstreams
    6GBOCZ1333 @ 1600 - 9 9 9 24 1.64v
    Gigabyte EX58-UD3R f11
    Corsair tx750 PSU
    EVGA GTX260 SC
    Intel SSD80GBG2C1 OS/Apps
    WD Caviar Black 500gb Data
    ASUS Xonar DX
    Klipsch Promedia 2.1
    CM690 Case 3 in 3 out
    Windows 7 64bit

  10. #20
    Join Date
    Jan 2009
    Posts
    31

    Default Re: PC on - off by itself every 3-5 sec

    So,it seems the problem is at my ATX_12V_2X either the mobo plug or the cable from PSU that cause the continously reboot.I tried to unplug it and it worked.So does anyone know how to solve this?Thank you so much for the help

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