Computer wont turn on when 2x2 connector is plugged in.
When i plug the 2x2 connector into my motherboard my computerwont start, it just turn on for like 1sec then turns off. When its notplugged in and just the 2x12 one is, all the fans on the video card,cpu heatsink, and case fans turn on fine and the computersstays on. But i cant do anything because the screen is just blank andnothing happens. I'm pretty sure the psu is not the problem because itran my other computer just fine. And its 730w so im also pretty surelack of power isnt the problem either. I dont think that the problem isit getting shorted out/grounded on the case either because it wont worksitting on my table either. Can anyone help me?
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The motherboard can support a 2x2 (4 pin) or 4x2 (8-pin) connector. The motherboard employs a foolproof design, as the socket on the motherboard is keyed to prevent you from installing the 2x2 in any position other than the correct one. The image below was extracted from page 24 of the manual.....you plug should be in pins 3,4,7,and 8.
Sounds like your wiring isnt right on the on off power. Make sure your power supply can handle this MotherboardAdapter cables are available that allow the incorrect use of older ATX or SFX power supplies in place of an ATX12V or SFX12V power supply. Intel does not recommend the use of these cables. These cables convert a standard 1x4 peripheral connector to the ATX12V 2x2 connector. An ATX12V or SFX12V with the 2x2 connector is required for all Pentium® 4 processor based Intel® Desktop Boards. Using the 1x4 converter cables can lead to system component or power supply damage and/or boot failures. The ATX12V and SFX12V power supply design guides (http://www.formfactors.org/)* recommend a minimum of 8A at 12Volts to properly power any Pentium 4 processor based Intel® Desktop Board. Standard ATX and SFX power supplies typically provide approximately 5A of current, which is not capable of reliably powering the Pentium 4 processor based Intel® Desktop Board. And I think the motherboards going to look for a formatted hard drive wired to the motherboard It wont boot off that USB stick.
2x2 or 2x4 Power Connector Not Plugged In If the power supply cable with the 2x2 connector or 2x4 connector (depending on your desktop board), is not plugged into the 12V processor core voltage connector located near the processor socket, the system will not boot up. You will see lights onboard and on the chassis front panel and the processor fan will spin, but nothing will appear on the monitor. See figures below for cable placement.
Make sure the fans on the processor are connected properly and running.
Make sure that the thermal interface material or the thermal grease is applied to the processor properly.
Make sure that the power supply fan is running properly and any other external case fans are running properly.
Make sure that the air intakes for the external fans are unobstructed and have at least several inches away from walls and other items.
Hi, I think you are looking at the front USB pin aray connector. The on/off switch and LED light pins are usualy along the edge of the board nearest the front of the case. They will be marked with ID: lettering:- pwrs, hdd led,
rs-sw, pwr led. If your case has one block plug you will haave to gently seperate the segments and plug them on one at a time.
The power and reset switch will work either way but the LED will only work when plugged the right way around, it wont do any harm if they are plugged backwards they just wont work, so experiment. regards mistyman