Help! New rig fails to boot correctly...

Hey all, im upgrading my pc as detailed at the end of this threadHowever i'm having some trouble getting it to boot. When i start it up, the lights start up and the fans all spin, except the cpu one. Nothing is displayed on the monitor, although it can detect when it is plugged in. The gfx card fan starts up fine. The new cpu fan has a 4 pin header so is controllable by the mobo. I tried my old one on there with a 3 pin header and the fan on that starts up fine. However, when i start the newer fan with it disconnected from the cpu is does start up, presumably because of the cpu heating up, so im pretty sure its not a fan problem. Ive also tried all the ram in different slots and with different sticks, and the same thing happens each time so i think thats not a problem. Oddly, without the 4 pin atx power cble the same problem also occurs so it could be a loose connection. I cant test the gfx card unfortunately as there is no onboard video and i dont have a spare pci-e card.Im a little worried abou teh cpu, as i had to apply quite a bit of pressure to the lever to get it down. However none of the pins look bent so thats ok...Anyone got any ideas? Any help would be greatly appreciated.EDIT: LinkifiedHelp! New rig fails to boot correctly...
I don't really understand what you're getting at with the fans in like the second paragraph. Are you using pre-applied thermal paste (or clay in my opinion.) If it is wipe that junk off and get some Arctic Silver 5 and use that. Also, the lever usually takes pressure to push down so dont worry. Also, have you tried using the Ram 1 stick at a time? That's how you can tell if one is broken, happened to me with my first build.Help! New rig fails to boot correctly...
Basically, the 4 pin cpu fans arent working, but my old 3 pin one is. However, regardless of the fan, the computer isnt booting to bios at all. I tried my other power supply, and it made no difference unfortunately. The monitor is fine, so as far as i can tell its either the cpu, graphics card or motherboard thats dodgy. Its probably not the mobo as everythng else is working, so i reckon its the cpu...Im gonna try rebuilding my old system to see if its the cpu thats dodgy, but ill try that tommorrow if all else fails.I am using the ''clay'' that came with it, but thats the least of my worries right now anyway. I tried each ram stick individually already, but ill give it another go more systematically.
Your CPU fan might not be spinning up because the processor isn't hot enough. Most motherboards have a fan speed adjustment set up by default, so it's fairly normal for a fan not to spin up for a few seconds until the processor is sufficiently heated up.That being said, double-check all your connections - or even try disconnecting anything not vital to your computer (hard drives, optical drives, lights, etc.). Oh, and are you getting any POST beeps when you start up?
Thats what I thought initially, but after leaving it for a minute with no fan spinning the cooler got warm to the touch and i decided to turn it off. Ive checked all the connections, and i disonnected everything but the gfx card, cpu, ram, cooler and psu to see if it would work, but no luck :(Im going to test out my gfx card in this computer instead, see if it makes a difference.
[QUOTE=''crazytom49'']Thats what I thought initially, but after leaving it for a minute with no fan spinning the cooler got warm to the touch and i decided to turn it off. Ive checked all the connections, and i disonnected everything but the gfx card, cpu, ram, cooler and psu to see if it would work, but no luck :(Im going to test out my gfx card in this computer instead, see if it makes a difference.[/QUOTE]Sounds good - I'd try swapping as many parts as possible just to make sure. Probably do the power supply next.
Ok well thanks for all the help guys, i swapped out every part except the mobo and they all worked fine, so im concluding that its broken.It probably got damaged in transit, they stuck the 10kg speaker box ontop of the mobo box and completely bent in one side. Thankyou dabs and home delivery network, wont be using you again!Anyway ive rebuilt it with mostly my old components now, will ring up and complain tommorrow, try and get a replacement.