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No display on monitor during POST, getting 5 beeps.

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  • Tom's Hardware
  • CPUs
  • Corsair
Last response: in Systems
October 26, 2013 12:49:08 AM

Howdy y'all, first time builder here.

My specs are ASrock B75M R2.0, Intel i5 3350p, Corsair 8gb DDR3, and Corsair CX600m.

I've gotten everything assembled externally and I've been running POST multiple times now.
Even after disassembling each piece (CPU, RAM, 24-pin and 8-pin connectors, etc.) the computer still 5 beeps five times, the CPU fan runs, but nothing displays on the monitor.

I've read that this could be a processing problem, so if everything else
checks out, does this mean I have a faulty CPU?

Thank you all for your patients and time.

More about : display monitor post beeps

a c 435 à CPUs
October 26, 2013 1:11:38 AM

Hi,
The CPU does not have integrated graphics, so you need a discrete graphics card.
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October 26, 2013 1:49:07 AM

alexoiu said:
Hi,
The CPU does not have integrated graphics, so you need a discrete graphics card.


Cool cool. Now how can I be sure this is the problem before i go and shell out for a new GPU? Does the CPU support GDDR3? I'm having troubling telling whether or not it does..

Thanks for your help by the way!
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Related resources
October 26, 2013 8:59:59 AM

Alright cool.
So I can probably get a good GPU that runs
on DDR3 memory.

Would this be a good match?

Manufacturer Sapphire
Part # 11192-22-20G
Interface PCI-Express x16
Chipset Radeon HD 6670
Memory Size 1GB
Memory Type DDR3
Core Clock 800MHz
Fan Yes
SLI Support No
CrossFire Support No
DVI-I Dual-Link 1
HDMI 1
VGA
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a c 435 à CPUs
October 26, 2013 12:49:20 PM

Using the HDMI? If yes, try connecting the monitor to VGA or DVI.
Is the CPU fan spinning when starting the board? If yes, then power off, leave single RAM stick installed, graphics card, DVD drive, keyboard, mouse and test.
If still the same, try clearing the CMOS (unplug the power cord and remove the CMOS battery for few minutes).
If still no go, try testing the board outside the case.
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October 26, 2013 12:59:42 PM

alexoiu said:
Using the HDMI? If yes, try connecting the monitor to VGA or DVI.
Is the CPU fan spinning when starting the board? If yes, then power off, leave single RAM stick installed, graphics card, DVD drive, keyboard, mouse and test.
If still the same, try clearing the CMOS (unplug the power cord and remove the CMOS battery for few minutes).
If still no go, try testing the board outside the case.



No HDMI, using VGA. Tried both on GPU and from Mobo connection. The monitor is being recognized because when I unplug it the screen immediately says "Cable Not Connected".

Right now I'm just testing externally. This is a new build,
and so no parts (besides used Optical Drive) is in the case.

All fans work. Took out the RAM and powered up, and I got the 5 beeps, I replaced the ram, and now I'm stuck again.

I've tried resetting the CMOS battery, but I think I did it incorrectly. The power was off but I might have replaced it backwards.
about to retest
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a c 435 à CPUs
October 26, 2013 1:07:08 PM

What beeps getting with only CPU and CPU fan installed, and what beeps when installing single RAM stick (no other components than CPU and CPU fan) and starting the board?
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October 26, 2013 1:11:29 PM

alexoiu said:
What beeps getting with only CPU and CPU fan installed, and what beeps when installing single RAM stick (no other components than CPU and CPU fan) and starting the board?


With just the PSU, CPU, CPU fan installed, I get 3 beeps.

When I add the RAM to the PSU, CPU, and fan, I get 5 beeps.

Finally, I add the GPU to the all this and I get no beeps,
all fans workings, and no POST.

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a c 435 à CPUs
October 26, 2013 1:15:53 PM

What power supply using?
Are the PCIe cables (if needed) connected to the graphics card? Is the graphics card new? If yes, can you test it in a different PC?
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October 26, 2013 1:19:14 PM

alexoiu said:
What power supply using?
Are the PCIe cables (if needed) connected to the graphics card? Is the graphics card new? If yes, can you test it in a different PC?


Specs are:
Asrock B75M R2.0
Intel i5 3550p
Corsair 8gb (1x8GB) DDR3-1600
Geoforce GT 620 PCIe 2.0
Corsair CX600m 600w

No graphics card cables are needed for this model (as far as I can tell).

Graphics card is new.
Test it out on a different mobo?
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a c 435 à CPUs
October 26, 2013 1:37:17 PM

It should work. I'd say that it's either the graphics card or the monitor. Try firstly ruling out a monitor or a card issue (borrow different and test or test yours with a friend's PC).
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October 26, 2013 2:03:40 PM

alexoiu said:
It should work. I'd say that it's either the graphics card or the monitor. Try firstly ruling out a monitor or a card issue (borrow different and test or test yours with a friend's PC).


Used HDMI from my PS3 and plugged it into my TV.
This is what I got:

<a href="http://imgur.com/tDvSgZ5"><img src="http://i.imgur.com/tDvSgZ5.jpg" title="Hosted by imgur.com"/></a>

<a href="http://imgur.com/aTdRlRL"><img src="http://i.imgur.com/aTdRlRL.jpg" title="Hosted by imgur.com"/></a>
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Best solution

a c 435 à CPUs
October 26, 2013 2:06:49 PM

Then it looks like a monitor issue, or a VGA cable one.
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October 26, 2013 2:17:55 PM

alexoiu said:
Then it looks like a monitor issue, or a VGA cable one.


Those screens mean everything is working cohesively then?
Because I didn't hear any beeps.
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a c 435 à CPUs
October 26, 2013 2:25:41 PM

Yeah, some newer boards don't beep anymore when successfully booting. They do it on purpose, for confusing us... (just kidding).
It looks like the system does work. I never recommend using HDMI when firstly booting, but this time it seems it saved the day. You had a brilliant idea.
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October 26, 2013 2:33:14 PM

alexoiu said:
Yeah, some newer boards don't beep anymore when successfully booting. They do it on purpose, for confusing as... (just kidding).
It looks like the system does work. I never recommend using HDMI when firstly booting, but this time it seems it saved the day. You had a brilliant idea.


Oh okay. haha, yeah.
well they sure fooled me!
I was so confused because in all the vides I've watched,
the motherboard beeps. haha.

Nah man, I just adapted your suggestion. Mainly because I have no friends who are familiar with computers.

Really though, your insight really has brought me a long way since last night haha.
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a c 435 à CPUs
October 26, 2013 2:40:40 PM

Well, glad you've finally fixed it. Good luck with the new setup!
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