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No Video showing

I had a PC fail to show any video (onboard),  it would power on and the HDD would just spin away.  I tried a PCI video card, when that did nothing I swapped out the PSU which had no effect.  I ordered a reconditioned motherboard of the same FRU and have installed it.  Now I get a beep count of one long beep, pause, and two short beeps with again no video.  I tried a CPU with the same socket out of a Dell Precision thinking the only thing left must be the CPU, this had no effect.

Thinkcentre
8305-4GU
P4

Any thing else you need to know?

Any help is appreciated

Thanks
ERIC
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mancalgroup
Asked:
mancalgroup
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1 Solution
 
dfxdeimosCommented:
RAM?
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mancalgroupAuthor Commented:
I tried two different modules.  currently it has one 512 in it.

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subliferCommented:
The cpu you used from the Precision workstation may not be supported on your system board.  A bios update might do the trick to enable support but that won't be possible since you don't have any video. Try to find another P4 processor of the same generation to try in the board.

As dfx mentioned, it could also be bad memory.  Try reseating the memory before you swap it out though.
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mancalgroupAuthor Commented:
I will try to get a CPU later today and I will let you guys know

Thanks

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NaturaTekCommented:
I had this problem on a abit board. How I solved it: Took out all ram, installed one only, Turned on pc see if you are good. If not, Turn off, leave one stick of ram..reset cmos on motherboard. turn on. If successfull, add one stick of memory at time.

Other factors that could plague you, Ram. Make sure ram is good, try one stick at a time. Make sure video card is seated properly. And of course, verify monitor is working.
1 long and 2short beeps is video problem.  You are having this problem with onboard and pci video? Try moving pci to different slots and verify that is a good known vid card.

You ordered a reconditioned board? Hmm hopefully its a good one. Looks like you tried many solutions. Test ram, try one stick at a time after resetting bios.
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mancalgroupAuthor Commented:
So the CPU tested fine in another unit.  At this point I am not sure what else to try.  It is a new motherboard and it is giving me the video error beep count.

I also reset CMOS to no avail.

I must have a bad referbed motherboard?  I find it hard to believe but what else could it be?
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NaturaTekCommented:
Yes could be bad motherboard. It happens. Maybe bad capacitors. Take a close look at all the capacitors on the board. If you see any that are swollen/leakage residue on top, bad board.  google 'bad capacitors', look at the images , you'll know what I'm talking about.

The last thing you can do, is take another cpu, another ram, a good powersupply and power it up. Make sure cpu fan is plugged in and power firmly plugged in. Take a look at the power connector onboard and make sure you dont see any pins cracked soldering or burnt spots.

You bought a refurb, its hard to say if you got a lemon or not..but a 'refurb' explains itself.

Best wishes.
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NaturaTekCommented:
One long beep and 2 short indicates video error. However I took another look on Lenovos/IBM site. 1 long , and 2 shorts indicates: BIOS file reading error
Reading more it can be bios, video, or dimm.

I would for last sake, try onboard alone, then another pci. And if you can, another pci card, and in diff slots. Firmly pushed in.

Chatted with a Lenovo IT tech, he said again to confirm "1 long and 2 shorts is one of three things,  Planar, lcd assembly, or memory. " (planar meaning motherboard)
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subliferCommented:
LCD assembly? In a thinkcentre? Even with a defective monitor you wouldn't get a post error beep code...

Have you tried unplugging all the unnecessary components? HDDs, CD/DVD drives, and extra add-in cards, front-panel usb and audio connectors, etc...

Have you tried the CPU and ram in a known good system so you can verify they're fine?  Have you tried a different power supply? Even if a non-oem PSU won't fit, you could leave it hanging out of the system while checking.

Its unfortunate but sometimes replacement parts are defective. Unfortunately a bad MB can usually only be confirmed when you've eliminated everything else.
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xtreminatorCommented:
is keyboard LED glow or keyboard work during computer starts

to test keyboard ,press num lock key and check led status of num lock in startup.

if it doesnt works , it might be in SIO problem on motherboard ( look for winbond chip on mother board)
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NaturaTekCommented:
Thank you! Just to correct my error, lcd assembly should be video card.
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mancalgroupAuthor Commented:
Firtly thank you for your efforts

My vendor is sending me a new referb board,  I will be getting that in the next couple of days.  I will report back after I have installed it.

Naturatek, interesting regarding the beep count, hopefully the new board solves whether it is the BIOS or Video, with no video showing up there is no way to know which it is?  I don't think it is the DIMM, unless multiple are failed as I tried a couple different ones.

Sublifer, yes I tried with multiple PSU's hanging out of the box and with HDD, CDROM, Floppy all unplugged.

Xterminator, the keyboard is not active with the num lock light just constant

Cheers


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NaturaTekCommented:
Could you ask the vendor to test the board before sending out since it's refurbished?
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mancalgroupAuthor Commented:
Looks like I did get a lemon referb.  The 3rd motheboard is working with onboard video.  

I'm on cloud nine.

Thanks all for your help

ERIC
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NaturaTekCommented:
Happy to see problem resolved :)
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NaturaTekCommented:
1 long 2 short did live its truth, problem motherboard/video adapter.  I keep this in my notes for future reference!
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xtreminatorCommented:
IF KEYBOARD IS NOT WORKING USING NUMLOCK KEY THEN IT MIGHT BE PROBLEM IN SIO OF MOTHERBOARD.

SIO PROBLEMS' PRIMARY SYMPTOMS IS NO DISPLAY.

SIO - super i/o chip on  motherboard.
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mancalgroupAuthor Commented:
Why abandoned? This was solved...
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