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Solved Hard tp get my computer to boot.

December 21, 2012 at 06:01:52
Specs: Windows 7, AMD Athlon 7550 2.50GHz/3 gigs

OK so I'm not sure what my problem is. I've asked around but no one seems to be able to help. My computer is hard boot. I changed my mobo and PSU because my old mobo wouldn't fit into my my new case. But when i changed it it became a pain to get it to boot. when you push the power button the CPU fan spins and you can hear the HDD's turn on but the the CPU fan stops i get no image on my monitor but you can still hear the PSU and HDD running. So then i half to power it down by Long holding the power button.

But....

If i slowly push the power button in to wear it just makes contact it boots up and runs just fine. What could it be?
Would it be my Mobo?
I've tried other switches and PSU's and still have the same problem.

Also when i do get it to boot it comes up telling me that i had a fan failure and to press F2 to continue but i have all the fan plugs in use.

Any help would be greatly apprieciated. I'm still learning. And Id love to learn more


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✔ Best Answer
December 21, 2012 at 12:07:20

Probably the best test is to unhook everything from the motherboard except the power cable and the video, and try to boot it by shorting the two power switch block prongs. Some say to pull the board and place it on the box it came in, to eliminate the possibility of shorting. If it doesn't boot, it sure would look like a MB problem.


#1
December 21, 2012 at 06:58:11

For starters, you should list your complete system specs in detail. We need the make/model of your board, CPU, RAM, HDD, PSU, etc.

"when i do get it to boot it comes up telling me that i had a fan failure"

When you installed the heatsink on the CPU, did you apply the thermal paste properly? AMD CPUs use the 'middle dot' method so all you needed to do was put a tiny dab in the center of the CPU, then lock the heatsink in place. If you did it any differently, you did it incorrectly. Are you sure the CPU fan is plugged into the correct header? 3-pin or 4-pin plug on the fan? 3-pin or 4-pin header?

Here's what the paste should have looked like: AMD middle dot

Also, did you benchtest the board before installing it in the case? Do you have a case speaker connected to the board or does the board have a speaker built-in? Do you hear any beeps at startup?


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#2
December 21, 2012 at 07:52:47

The CPU heat sink was pre installed on the board. It not a fancy computer or anything i just pulled the modo,HDD, disk drive out of a Compaq CQ5110Y PC . The PSU is just an off brand 300 watt power supply i pulled from another comsumer PC that had a bad HDD and a shocked sound card. The Mobo had no make or Model on it.
Here is a list of all my componets with make/model to the best of my knowledge. Like i said im still learning and im not the best with this.

Case: alienware aurora (older case,early 2000's)

PSU: Delta electronics: DPS-300AB-15 Rev 00F

HDD 1:Seagate Baracuda 7200.11 320 GB
HDD 2:Seagate barracuda 7200.9 160 GB
HDD 3:Seagate Baracuda 7200.10 RoHS

Motherboard: M2N68-LA REV 5.0(Thas all it has on it, i do not know the manufacturor.)

Ram: Samsung 2 gig and a 1 gig
and thats pretty much it other than my cd rom drves and fans

If you need any more info let me know and i will be sure to do my best


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#3
December 21, 2012 at 09:11:07

You didn't do too well with what I asked for but at least you supplied the Compaq model:

http://h20000.www2.hp.com/bizsuppor...

It says the board manufacturer is Pegatron (Pegatron = ASUS). Here's the board specs:

http://h20000.www2.hp.com/bizsuppor...

Did the system work OK before you tore it apart? And what did you gain by swapping cases?

"The PSU is just an off brand 300 watt power supply i pulled from another comsumer PC that had a bad HDD and a shocked sound card"

How do you "shock" a sound card? If some sort of power surge caused the problem, the PSU is usually the 1st thing that goes. Did you test the used PSU before attempting to re-use it?

"Delta electronics: DPS-300AB-15 Rev 00F"

Absolute garbage.

"Ram: Samsung 2 gig and a 1 gig"

DDR2-800?


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Related Solutions

#4
December 21, 2012 at 09:13:41

If it says fan error that's a clue. I would start by going into the bios and checking the thermal settings, maybe jogging them around. Then try flashing the bios and replacing the fans.

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#5
December 21, 2012 at 09:17:50

The CPU fan needs to be plugged into the correct header. If you look at the pic of the board, it's at the upper right corner.

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#6
December 21, 2012 at 09:50:31

"Did the system work OK before you tore it apart? And what did you gain by swapping cases?"
No i was having the same issue with it in the other case.
I swapped cases because the new one had more room and provided better cooling and more HDD mounts.
I also had other plans of things that i would be doing with this computer after i had worked the bugs out of it.

"How do you "shock" a sound card? If some sort of power surge caused the problem, the PSU is usually the 1st thing that goes. Did you test the used PSU before attempting to re-use it?
'Shock" some one stuck something into the audio out and managed to short it out.
"Delta electronics: DPS-300AB-15 Rev 00F"
Absolute garbage."

I'm aware that it is garbage and yes i tested it. i said i was learning not that i was an absolute idiot. I do know somewhat of what I'm doing.

"DDR2-800?"
Yes DDR2-800.

"The CPU fan needs to be plugged into the correct header. If you look at the pic of the board, it's at the upper right corner."

Its plugged in in the correct spot.

"If it says fan error that's a clue. I would start by going into the bios and checking the thermal settings, maybe jogging them around. Then try flashing the bios and replacing the fans."

I am now aware of why i am getting this fan error and it is because i changed the fan being used. if i plug the stock fan back into the mobo i do not get the message.


By the way its the case fan not the cpu fan.


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#7
December 21, 2012 at 10:09:23

Is it booting now?

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#8
December 21, 2012 at 10:16:44

I can get it to boot if i mess with the power button. the fan problem wasnt no big deal it would still boot. it was the "My computer is hard boot. I changed my mobo and PSU because my old mobo wouldn't fit into my my new case. But when i changed it it became a pain to get it to boot. when you push the power button the CPU fan spins and you can hear the HDD's turn on but the the CPU fan stops i get no image on my monitor but you can still hear the PSU and HDD running. So then i half to power it down by Long holding the power button." That im still having problems with

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#9
December 21, 2012 at 12:07:20
✔ Best Answer

Probably the best test is to unhook everything from the motherboard except the power cable and the video, and try to boot it by shorting the two power switch block prongs. Some say to pull the board and place it on the box it came in, to eliminate the possibility of shorting. If it doesn't boot, it sure would look like a MB problem.

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#10
December 21, 2012 at 12:16:38

Would a wooden work bench work for that? i don't have a box beings i pulled it from a computer that was given to me

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#11
December 21, 2012 at 12:25:00

Yeah, the idea is to eliminate as many factors as possible.

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#12
December 21, 2012 at 12:33:04

Alright. Thanks

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