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New build won't post - which is faulty?

Last post 07-04-2008, 1:08 PM by Penewab2007. 7 replies.
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  •  07-03-2008, 9:32 PM 350767

    New build won't post - which is faulty?

    New build (got parts today):

    Asus P5Q Pro mobo;Corsair Dominator PC8500 ram;Core Duo E8400 CPU;Asus EAH4850 Video; Cooler Master Real Power Pro 550W PS

    WHen I plug in just these core components (in or out of case) and turn it on, I get fans, mobo light and video card led, but no beeps, no video. I think I eliminated the RAM by swapping, but i have no other parts on hand. I hit the chat and it looks like I've done all the troubleshooting that can be done without having parts to swap. 

     Anyone have any experience to tell what's dead? I suspect cpu, mobo or ps, but I can't tell.

     

    thanks!

  •  07-03-2008, 10:15 PM 350778 in reply to 350767

    Re: New build won't post - which is faulty?

    Just in case they didn't ask, is the 4/8 pin connector plugged into the main board? Is the video card plugged in as well?
    BioShock_sig

  •  07-03-2008, 10:17 PM 350780 in reply to 350778

    Re: New build won't post - which is faulty?

    Yes on both counts. I've also reseated everything. and tried pulling the mobo out of the case and powering up on the bench.

     Weird thing is, I can't even make it beep if I unplug RAM, etc.

     

     

  •  07-03-2008, 11:36 PM 350824 in reply to 350780

    Re: New build won't post - which is faulty?

    New Info: I managed to hook up another speaker to the jumper on the motherboard and I can hear BEEPS!

    I get a Long-Short-Short BIOS beep pattern (mem problem) with one memory module (but not the other).

    With the good memory stick installed, I get Long-short-short-short (no VGA detected) no matter what configuration I try to put it in.

     So, it looks like I have a bad RAM stick and a bad video card. 

     That seems odd unless something else is going on. Is it possible my power supply is blowing components? The red ERROR light next to the power switch on the back of the power supply hasn't come on yet - according to the manual it's supposed to glow steady when there is a problem.

     

  •  07-04-2008, 12:10 AM 350834 in reply to 350824

    Re: New build won't post - which is faulty?

    Try the memory in a different slot.

    Try with no video card

    Try with no memory.

    Does it give all the correct beep codes?

    It's possible its detecting bad memory on your video card.

    BioShock_sig

  •  07-04-2008, 12:45 AM 350840 in reply to 350834

    Re: New build won't post - which is faulty?

    I did 1,2,3 and the beep codes make sense with the "good" and "bad" ram stick in.(I think one of my two ram sticks is bad too, btw. :(   )

    with the good stick in, beep codes still say video card, just like with no video card.

     I suspect you are right about the video memory. 

     Can I rule out MB, Power Supply, CPU?

  •  07-04-2008, 12:47 PM 351124 in reply to 350840

    Re: New build won't post - which is faulty?

    You said you re-seated stuff, but I figured I'd ask if you tried re-seating the CPU in its socket.  I had that problem on my recent build. 
    System: XFX 780i MoBo, Intel E8400 3.0 GHz CPU, EVGA 8800GT Video Card, 4GB OCZ Reaper PC2 8400 RAM, X-Fi XtremeGamer Sound Card, WD VelociRaptor 300GB HD, Corsair 750wTX PSU, Silverstone TJ10-SW Case, Vista Home Premium 32-bit OS

  •  07-04-2008, 1:08 PM 351132 in reply to 350767

    Re: New build won't post - which is faulty?

    Have you gone into BIOS and set that Corsair to 2.1v? The manual's BIOS states: 3.4.14 DRAM Voltage [Auto]

    Allows you to set the DRAM voltage. The values range from 1.80V to 3.08V with a 0.02V interval.

    So if auto dont pick it up, probably have to set it manually. Unless you havent aready tried, use one stick to boot up, then set it.

    Did you try clearing CMOS as well?

    Penewah! 
    #1:MSI K9A2 790FX/AMD Phenom 9950BE125w OC 3.12/Xiggie120/Antec1200/HD4870 1GB ASUS/mushkinBlack 4GBDDR2800 /Sammy Spinpoint 640GB&320GB-SATA/PCPC 750W CF Silencer/ LITE-ON & ASUS DVD±R/Vista 64-bit/Dual 22" HannaG Mons/ WD My Book 500GB/Logitech X-530 70 watts RMS 5.1 Black Speaker System /#2:Biostar 780G/AMD 6000+x2/OCZ PlatRev2 2x1GB DDR2800 /Logysis-Acrylic/Vista/Ubuntu 8.1 / Corsair 550W PSU/#3:E8500/Gigabyte P45/HD4850/Xiggie 120/OCZ StlhStrm 700W, CM HAF case/OCZ Plat 2x! 1066
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