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No display on screen

Last response: in CPUs
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October 7, 2012 5:45:25 PM

I still cant get the PC to display on the screen. I get startup beeep then LEDS light up on all the locations e.g RAM,BOOT & CPU. The motherboard is working fine because when I the RAM and GPU out.. I get the correct beeps.

I have tried everything and have come to the conclusion it is either.. the CPU OR PSU.

What do you think could be causing the display problem and RED LEDS.

Asus Motherboard & intel CPU.

CPU = 3770

More about : display screen

a c 146 à CPUs
a b V Motherboard
October 7, 2012 5:53:20 PM

proxies said:
I still cant get the PC to display on the screen. I get startup beeep then LEDS light up on all the locations e.g RAM,BOOT & CPU. The motherboard is working fine because when I the RAM and GPU out.. I get the correct beeps.

I have tried everything and have come to the conclusion it is either.. the CPU OR PSU.

What do you think could be causing the display problem and RED LEDS.

Asus Motherboard & intel CPU.

CPU = 3770


Are you using a discrete video card or onboard video?
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October 7, 2012 6:01:25 PM

External video card. I tried placing the RAM in each slot... same problem '1 beep'.

Could be motherboard?
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a c 146 à CPUs
a b V Motherboard
October 7, 2012 6:09:17 PM

External.. you mean discrete video card? When you pull the video card out and connect your monitor to the motherboard VGA/DVI port what happens, does it post?
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October 7, 2012 6:10:24 PM

This motherboard doesnt seem to have a vga/dvi socket. DisplayPort/HDMI ONLY. THE gpu is not the cause of the problem.. because I tried multiple.
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a c 146 à CPUs
a b V Motherboard
October 7, 2012 6:15:43 PM

What kind of motherboard is it and what kind of video card are you using. I was going to say are you putting the video card into the PCI-e 16X slot not the PCI slot? Do you have another video card you can try in the slot or if not maybe you can borrow a PCI-e video card from someone.
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a c 189 à CPUs
a c 462 V Motherboard
October 7, 2012 6:21:22 PM

also make sure the 4/8 pin pci power conenctor is connected. a lot of people make the mistake of using a pci power plug (6+2) to fill the connector. the power supply should have come with two 4 pin connectors. if your asus mb has the usb flashback port on the mb try flashing the mb to the newest bios. could be the mb missing the cpu code to boot.
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a c 146 à CPUs
a b V Motherboard
October 7, 2012 8:30:10 PM

Go into the BIOS and make sure the PCI-e slot is enabled it should automatically switch but sometimes it get's screwed up. If everything looks ok there I would try a different video card into the PCI-e slot. If the test video card works than you know you have a video card problem. If it still doesn't work with the test video card then it might be a problem with the PCI-e slot.
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October 7, 2012 10:53:15 PM

I cant get into BIOS thats the point.. theres no display on the monitor.

1- I tried every ram slot
2- I took motherboard out and tried it
3- I took RAM out and speaker made beeps
4- I took GPU out and speaker made beeps

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a c 146 à CPUs
a b V Motherboard
October 7, 2012 11:13:35 PM

proxies said:
I cant get into BIOS thats the point.. theres no display on the monitor.

1- I tried every ram slot
2- I took motherboard out and tried it
3- I took RAM out and speaker made beeps
4- I took GPU out and speaker made beeps


I know I meant using onboard video but I forgot your motherboard has no onboard graphics. I still don't understand that I don't think I've ever seen a motherboard that doesn't atleast have a VGA port but whatever. It's probably a bad video card. I would try a different video card in the slot.
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October 7, 2012 11:14:53 PM

Bro.. if you scroll up you will see I said.. I tried multiple video cards
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October 8, 2012 1:44:46 PM

Why do you think its the video card? I tried two.
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October 9, 2012 2:28:29 PM

Still no displaying.. with multiple videocards
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a c 189 à CPUs
a c 462 V Motherboard
October 9, 2012 3:56:53 PM

did you use the usb flash back port and update the bios to the last rev???
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October 9, 2012 4:58:13 PM

proxies said:
I cant get into BIOS thats the point.. theres no display on the monitor.

1- I tried every ram slot
2- I took motherboard out and tried it
3- I took RAM out and speaker made beeps
4- I took GPU out and speaker made beeps


your card should work, if your motherboard doesnt have a vga port which i have never seen lol then your card should work straight away using a generic driver, try taking the cmos out for a bit 30 secs and hold the power button. then start agin and see if you get anything to work
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October 9, 2012 5:03:55 PM

try reseting your cmos
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October 10, 2012 2:04:57 AM

tried resetting cmos.. same ***.. this is gotta be a faulty CPU or PSU
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a c 189 à CPUs
a c 462 V Motherboard
October 10, 2012 2:09:33 AM

it a standard error when the mb does not have the right cpu code to boot the mb. use the usb flashback built into the mb put the newest flash file on it and flash the mb. should fix your problem.
http://www.youtube.com/watch?v=ADcdnwMjd_I
dont need cpu or video card just standby power.
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October 10, 2012 2:40:47 AM

Tried all of this. Maybe its the case? or PSU or CPU/motherboard. I dont know.
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October 10, 2012 9:30:16 AM

Unplug the four-pin connector from the board completely, and then try to turn on the computer again. If you get the exact same response, this could very well be the problem and you should look into a new PSU
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October 10, 2012 9:31:47 AM

i think your psu is faulty and not supplying sufficient power, try a psu, there the cheapest option.
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October 10, 2012 9:37:45 AM

id would strip down to the basic that way it can free up juice for you to see if its power related. hope this helps
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October 11, 2012 5:54:54 PM

no, its not power related.. because then it wouldnt even turn on
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a c 146 à CPUs
a b V Motherboard
October 12, 2012 12:08:55 AM

proxies said:
no, its not power related.. because then it wouldnt even turn on


Not necessarily. I've seen plenty of computers with intermittent problems. I've seen a bad PSU cause everything from freezing to random and unexplainable BSOD's.
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October 12, 2012 4:54:46 PM

darren0000 said:
Unplug the four-pin connector from the board completely, and then try to turn on the computer again. If you get the exact same response, this could very well be the problem and you should look into a new PSU



I unplugged the 4pin, this time the comp starts up and then 5 seconds later shuts down.
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October 13, 2012 1:25:06 PM

Any ideas?
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October 13, 2012 11:21:31 PM

I guess this problem is a mystery... cos I tried everything to fix it.
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October 14, 2012 10:25:09 PM

DELETE THREAD - PROBLEM NOT RESOLVED.
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