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Thread: GIGABYTE GA-EP45-UD3P - powers on for 1 sec




  1. #1
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    Default GIGABYTE GA-EP45-UD3P - powers on for 1 sec

    First timer here and need some help with a power on issue.

    I am helping a friend with his PC that he recently put together.
    He said that it was working fine until he put in a new Q6700 CPU with a Zalman CNPS9700 fan.

    Now all it does is turn on and beep for 1 sec then turns off and back on again in a continuous cycle.

    He said he put the original CPU back in with the Zalman fan and it does the same thing.

    I just started on it so I've only tried the following:

    1. Removed memory and only left 1 in slot closest to CPU - no change
    2. Replaced PSU with another - no change
    3. Reset (cleared) CMOS - no change

    I checked to make sure the 12v connector is plugged in for CPU so that isn't it.

    Any suggestions would be greatly appreciated.

    Thanks,
    Mav

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GIGABYTE GA-EP45-UD3P - powers on for 1 sec

    How did you clear the CMOS? Here is my suggested method, see post two >>
    http://forums.tweaktown.com/f69/bios...h-guide-27576/

    Then if no luck, I would be getting the board out of the case, off the tray and onto a wooden table o cardboard box and start with the minimum. CPU/Heatsink, One stick of ram, and the GFX Card that is it, nothing else. While you have it out I would also check the CPU Socket for bent pins.... Ya never know

  3. #3

    Default Re: GIGABYTE GA-EP45-UD3P - powers on for 1 sec

    Quote Originally Posted by Mavlon View Post
    He said he put the original CPU back in with the Zalman fan and it does the same thing.
    The Zalman cooler itself may be causing this continuous reboot...
    Did he also try to start up the system with the original CPU's stock cooler installed instead of the Zalman cooler?
    Code:
    SYSTEM SPECIFICATIONS:
    » Motherboard.......: Gigabyte GA-EP43-DS3L (Intel P43 + ICH10)
    » CPU...............: Intel Core™ 2 Duo E7200 [2.53 GHz, FSB-1066 (OC'd to 3.16 GHz, FSB-1333)]
    » RAM...............: 2 × Corsair XMS2™ CM2X1024-6400C4 [DDR2-800 SDRAM]
    » Graphics Card.....: Gigabyte GV-NX96T512HP (NVIDIA GeForce™ 9600 GT)
    » Sound Card........: Creative Sound Blaster™ X-Fi Titanium PCI Express
    » Monitor...........: Samsung SyncMaster 204B
    » Hard Drive(s).....:
    »-» IDE Channel 0 Master (SATA Port 0).: Seagate Barracuda™ 7200.10 ST3320620AS
    »-» USB Storage........................: Seagate FreeAgent™ Desktop 1 TB
    » Optical Drive(s)..:
    »-» IDE Channel 4 Master (IDE Port)....: PIONEER DVR-110DBK
    » Operating System..: Microsoft Windows XP Professional + Service Pack 3
    » Power Supply Unit.: WideTECH ATX-500W (See PSU table below for more details)
    
    PSU TABLE:
    AC Input:
    » 200 V - 240 V
    » 50 Hz
    » 4 A
    
    DC Output:
    » +3.3 V..: 33 A
    » +5 V....: 28 A
    » +12 V...: 24 A
    » -12 V...: 1.0 A
    » +5 V SB.: 2.5 A
    
    » TOTAL OUTPUT: 500 Watts
    » Intel.V1.3/2.0/2.2

  4. #4
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    Default Re: GIGABYTE GA-EP45-UD3P - powers on for 1 sec

    Actually I was just doing all of what you just suggested and have the mobo on my lab bench now but got the same result.

    I removed the CPU and found some thermal grease covering a couple of the contacts. BAD
    There was a ton of grease everywhere YIKES!!
    I cleaned it all up and am now going to reinstall the CPU and try it out.

    Didn't work - I talked to my friend and he said that after he installed everything with new CPU, the system powered on for 1 sec and then sounded like a pop and it went down. After that, it started the never ending power on/off loop.

    I tried powering on the mobo without anything plugged into it (I even removed the cpu) and it stayed on.

    I haven't tried clearing the CMOS using that guide which is alot more than what I did to clear it so maybe that will work.

    Meanwhile, I have another mobo I can use to verify that the cpu's are still working.
    I'll give an update in a little while.

    Update - Swapped Mobo and installed all the original components from the failing Mobo and everything works.

    I have a feeling the new mobo got damaged when the cpu was installed with grease covering some contacts.
    Last edited by Mavlon; 01-10-2009 at 02:53 AM.

  5. #5
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    Default Re: GIGABYTE GA-EP45-UD3P - powers on for 1 sec

    I cleared the CMOS including removing the battery then put everything back onto the new mobo and it still does the same thing. I think it's dead.

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    Default Re: GIGABYTE GA-EP45-UD3P - powers on for 1 sec

    Quote Originally Posted by Prince iSO-1992 View Post
    The Zalman cooler itself may be causing this continuous reboot...
    Did he also try to start up the system with the original CPU's stock cooler installed instead of the Zalman cooler?

    He didn't bring the original fan with him so I can't check if it's the fan. The fan did work on the other mobo though.

    update: My friend informed me that when he installed the new Q6700 cpu, he forgot to take off the clear tape over the bottom of cpu (copper base). oops!
    Since then, it's been doing the same thing.
    Last edited by Mavlon; 01-10-2009 at 03:31 AM.

  7. #7
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    Default Re: GIGABYTE GA-EP45-UD3P - powers on for 1 sec

    Anyone else have some more troubleshooting tips I could try?

  8. #8
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    Default Re: GIGABYTE GA-EP45-UD3P - powers on for 1 sec

    I installed both of the CPU's on the old mobo and they both work :)
    As for the new mobo, it just does't want to work.
    I'm going to order a new one.
    Thanks for the input Prince and LSD

  9. #9

    Default Re: GIGABYTE GA-EP45-UD3P - powers on for 1 sec

    Quote Originally Posted by Mavlon View Post
    I installed both of the CPU's on the old mobo and they both work :)
    As for the new mobo, it just does't want to work.
    I'm going to order a new one.
    Thanks for the input Prince and LSD
    You could try flash update bios for EP45-UD3P, what bios do you have ?

    pg
    GA-EP45-UD3R REV 1.1 BIOS F11 (stay away F10F)
    New Intel Pentium E6500 9x500 FSB=4.5 GHz on air
    G
    .SKILL PI BLK 2x2GB DDR2 800 1.8-1.9v CL4 @5.5.5.15 500 MHZ
    MSI GTX 260 OC 620/1080/1296 (192 SP)
    PSU BFG TECH GS-550W (DUAL+12V RAILS 18A EACH.)
    Windows 7 64bit build 7600



  10. #10
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    Default Re: GIGABYTE GA-EP45-UD3P - powers on for 1 sec

    Quote Originally Posted by powergiga View Post
    You could try flash update bios for EP45-UD3P, what bios do you have ?

    pg
    It only stays on for 1 sec and turns off then back on again then repeats. The cpu fan will barely move then it shuts off and back on. It doesn't have enough time to post or anything.

    I tried turning on the mobo with the 12v cpu power unplugged and it stayed on continuously, but the cpu fan doesn't spin and nothing else happens. I know that the 12v cpu power needs to be plugged in, but I wanted to see if there was a change and there actually was.
    The same failure comes back when I plug the 12v power back in for CPU.
    Last edited by Mavlon; 01-10-2009 at 07:23 AM.

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