no posting fans spin but no monitor image monitor just goes sleep mode

JohnNorth118 · Dec 25, 2013

i have build my very first computer today and am having trouble getting to the posting screen , the fans also only spin when i twidle the mother board power socket back and forth any thoughts guys

markwp · Dec 25, 2013

Specs please - m/b, cpu, gpu, psu. Makes and models

JohnNorth118 · Dec 25, 2013

i5 3470 mobo msi b75 g43 gpu 7870 msi oc psu cx 600 corsair

markwp · Dec 25, 2013

Start with the basics - remove gpu and use the onboard graphics. Make sure both the 24 pin m/b connector and the 8 pin EATX/cpu connector are firmly installed. Hook up only 1 hdd or ssd, then restart and see if you boot to bios. If you can, set the graphics to auto or onboard, install the o/s then reboot. If you have a piezo speaker for the m/b, make sure you listen for the diagnostic beep codes. If you don't have the speaker, see if you can borrow one, or just buy one - they are invaluable to have to help diagnose errors.

Download current drivers for your m/b and for the gpu. Install windows updates, m/b drivers and anti-virus of choice. Once you have all other drivers/updates installed, then install the gpu and the drivers for that.

JohnNorth118 · Dec 26, 2013

ive tried it mate i still just get a black screen some times it wont even turn on

JohnNorth118 · Dec 26, 2013

do you recon i have a dogy mobo ?

markwp · Dec 26, 2013

I would look first at the psu. If you are using a "lesser" quality psu, it might be that it has some issues.

JohnNorth118 · Dec 26, 2013

its 80+ bronze cx600 im not sure but im thinkin its deffoe the mobo or psu now u recon i should just send them both back and try again ?

markwp · Dec 26, 2013

Last option is to double check all wiring, including case front panel connections. It is not unheard of for a panel switch to be fussy.

That said, since you have to "twidle" the 24 pin connector, the issue is probably the m/b or psu. Do you have a different psu you can try before sending stuff back?

JohnNorth118 · Dec 26, 2013

i dont have another psu but i did the paper clip test on my current one and it works like a dream soooooo im thinking ive got a dead mother board ya know i bought it from amazon i do hear they have good customer service soo ill try sending it back thanks for all your help mate

markwp · Dec 26, 2013

Good luck - Amazon is really good about returns.

JohnNorth118 · Jan 28, 2014

It was the motherboard in the end computers up and running now

markwp · Jan 28, 2014

Glad you got it up and running. It's tough to track down issues like that, but worth the effort. Good Job!

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no posting fans spin but no monitor image monitor just goes sleep mode

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