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Windows 7: PSU went up in smoke. New PSU won't boot PC

08 Jul 2016   #21
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot
 
 

Quote   Quote: Originally Posted by probuddha View Post
It's out of warranty. So I guess buying a new board would be the wise thing to do, right?

Any suggestions for an AM3+ board with SATA 3 headers? My last one had SATA 2, so I am thinking if I get a new board, I might as well get one with SATA 3 headers since I use an SSD as my system drive

Thanks a lot
I have one of these and it's rock solid as long as you're not overclocking:

ASUS M5A97 R2.0 AM3+ AMD 970 + SB 950 SATA 6Gb/s USB 3.0 ATX AMD Motherboard with UEFI BIOS - Newegg.ca

Maybe that's available in India.

Also, these might be worth a look depending on your budget:

ASUS M5A99FX PRO R2.0 AM3+ AMD 990FX + SB950 SATA 6Gb/s USB 3.0 ATX AMD Motherboard with UEFI BIOS - Newegg.ca

ASUS M5A99X EVO R2.0 AM3+ AMD 990X + SB950 SATA 6Gb/s USB 3.0 ATX AMD Motherboard with UEFI BIOS - Newegg.ca

I prefer ASUS boards myself, as I've had the best luck with them. Others may have other good suggestions.


My System SpecsSystem Spec
.
08 Jul 2016   #22
bigmck

Windows 7 Home Premium 32-Bit - Build 7600 SP1
 
 

I am also an ASUS fan. They make good boards. Can you do Online Ordering in India? Newegg.com is good if you can do that.
My System SpecsSystem Spec
08 Jul 2016   #23
RoasterMen

Windows 10 Pro 64-bit
 
 

I just have seen that CM Elite power supply fail in this video:
My System SpecsSystem Spec
.

08 Jul 2016   #24
IoNGeNeRaL

Windows 10 Pro x64 (UPGRADED - 10/20/2016)
 
 

Components burning? That's absurd.

If anything, you may overheat your PSU if you're overloading it which will severely reduce it's lifespan. As it's been mentioned before, watch for computer crashes while you're working or playing games. Without enough amperage, or if the voltage drops below it's threshold, the motherboard won't function and processing will stop.

Best case scenario if the PSU wattage is insufficient is that the PSU will shut itself down to protect itself. Worst case scenario would be damage to other components and/or the PSU itself. Normally an overloaded PSU will cause a lot of system instability.

I'd personally recommend the Corsair AX1200W PSU if you can afford it. Though usually (as I have that PSU) my PSU fan doesn't kick in unless it reaches a temp of 50C. When the temperatures are below 50C, the fan never kicks in even if I'm playing GTA V (which is at full graphics settings) with an over locked CPU and GPU.

My specs:
Asus Crosshair V Formula-Z
AMD Phenom II X6
Radeon R9 280X 3GB
128GB OCZ SSD, 3 HDDs (2x500GB, 1x 1TB)

My system runs flawlessly when it doesn't BSOD but those aren't occasional and aren't due to any power supply issues.


My System SpecsSystem Spec
09 Jul 2016   #25
westom

 
 

Quote   Quote: Originally Posted by probuddha View Post
They checked the mobo for a while and said that it has been short circuited and apparently it was giving shocks.
Impossible. Only voltages connected to a motherboard are 3.3, 5, and 12 volts. None of those shocks anyone. Otherwise a 12 volt battery in a car is also electrocuting many people.

If a motherboard was shorted, then PSU's fold back current limiting had shut off power. So nothing could exist to cause shocks.

It is always a first indication of deceit. If motherboard was short circuited, then the short circuited voltage was defined. Did they provide that number? If not, suspect the worst.

And finally, if it was short circuited, then they could not check it for a while. It would not work immediately. That short circuit would be obvious and defined in 20 seconds with a meter.

I watch auto repair shops do same to women. Claim a bunch of mumbo-jumbo knowing they can talk that woman into anything. Either a motherboard is short circuited - meaning a PSU shuts off immediately. Or it is magically generating well over 100 volts from a not shorted 3.3, 5, or 12 volts. What they said was so wrong for so many reasons that incompetence or intentional scam is obvious.

If a motherboard was defective, then they also said nothing on that motherboard can be repaired. Even a good motherboard manufacturer knows it is cheaper to shred a defective motherboard and build a new one. Why shred? Because better electronic manufacturers do not want their product rescued from a dumpster to be repaired by some third party operation. That only harms that manufacturer's reputation.

Facts are clear. Nobody has defined a defect. What was said about that motherboard cannot possibly exist. So you will shotgun. Replace good parts until something works. Because no one has yet said what part is defective.
My System SpecsSystem Spec
09 Jul 2016   #26
chefduane

Win 7 Home Prem x64 SP1
 
 

Quote   Quote: Originally Posted by Mellon Head View Post
Quote   Quote: Originally Posted by probuddha View Post
It's out of warranty. So I guess buying a new board would be the wise thing to do, right?

Any suggestions for an AM3+ board with SATA 3 headers? My last one had SATA 2, so I am thinking if I get a new board, I might as well get one with SATA 3 headers since I use an SSD as my system drive

Thanks a lot
I have one of these and it's rock solid as long as you're not overclocking:

ASUS M5A97 R2.0 AM3+ AMD 970 + SB 950 SATA 6Gb/s USB 3.0 ATX AMD Motherboard with UEFI BIOS - Newegg.ca

Maybe that's available in India.

I prefer ASUS boards myself, as I've had the best luck with them. Others may have other good suggestions.
+1 on the M5A97 R2.0. No problems and solid as the rock since the day I first powered it up. I am not doing any OC. See "My System Specs" for the details on my rig.
My System SpecsSystem Spec
09 Jul 2016   #27
probuddha

Win 7 Professional 64 bit
 
 

Thanks so much for your responses, guys.

Frankly, I do not trust the service center where I have given the mobo for repairing but I gave it to them to primarily identify which component is faulty. They checked my mobo with and without my RAM sticks and with their own PSU and even then the system didn't display anything on the screen. Then they zeroed it down to the motherboard itself. I called them today and they said that the parts of the motherboard in charge of power and display has been affected but they have not yet been able to repair them. Honestly, I don't trust them but at least now I know that the issue is with the motherboard.

I can do online ordering in India but don't think newegg.com would be shipping here and even if they did, it would cost a lot more than what I'll have to pay to buy from Amazon India or other online stores. In fact, the ASUS M5A97 is available at brick and mortar pc shops for around $95

I had used an ASUS board myself in my previous build and never had any problem with it. So yes, I am thinking of going back to ASUS. The only concern I have is whether my low end ATI Radeon HD 5450 1GB GPU would be compatible with the board.

Also guys, from what I have described above, do you also feel that it's the motherboard that's at fault
I don't want to end up buying a new board and later find out that the fault is with something else. I know it's not easy to pin point the defect remotely but going by the symptoms, do you feel that there is a fair chance of the mobo going defunct?

So much thanks for all your help so far. Really appreciate it.
My System SpecsSystem Spec
09 Jul 2016   #28
ignatzatsonic

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, 64-bit
 
 

Quote   Quote: Originally Posted by probuddha View Post

Also guys, from what I have described above, do you also feel that it's the motherboard that's at fault
I don't want to end up buying a new board and later find out that the fault is with something else. I know it's not easy to pin point the defect remotely but going by the symptoms, do you feel that there is a fair chance of the mobo going defunct?
"going defunct"???

You are confusing me.

I thought you already had decided the motherboard was at fault and defunct or at least not worth any attempted repair.

Is there ANYTHING that leads you to believe it is NOT effectively defunct right now, as opposed to "going defunct"?

You can't get any onscreen display.

You have no indication of hard drive activity.

CPU fan spins

All connections are believed to be proper.

A local shop says the motherboard "has been affected".

You can spend hundreds or thousands if you want to drill down to the molecular level of the board to find out the sordid details. That's up to you.

Without sophisticated equipment, a high degree of technical knowledge, or lavish spending on diagnosis/repair, you have to make inferences and swap parts.

If your local shops are liars and thieves, there's nothing we can do about it. You have to do your best to diagnose the problem and decide on the next step without their input.

If you don't have bad cabling, a bad CPU, or a bad power supply, you are pretty much forced to conclude it's a motherboard issue. Bad CPUs are very rare. You say a swapped in good power supply did not improve the situation.

You should get some onscreen display even without RAM or hard drives.

As far as what replacement board to get, I wouldn't get in a lather over it. You can easily find as many horror stories as you want about any brand you can name. Cross your fingers and buy any of the top 3 or 4 brands that has the features you need and is within your budget.

Get a decent PSU in the 500 to 550 watt category. That's enough for pretty much any single video card system.
My System SpecsSystem Spec
09 Jul 2016   #29
probuddha

Win 7 Professional 64 bit
 
 

Thanks for your response. Sorry for confusing you as I myself was a bit confused (being a non technical person). Thanks for clearing it up for me.

I will probably settle for an ASUS board based on above recommendations and my past experience with the brand.

Thank you very much
My System SpecsSystem Spec
09 Jul 2016   #30
probuddha

Win 7 Professional 64 bit
 
 

Quote   Quote: Originally Posted by ignatzatsonic View Post
Get a decent PSU in the 500 to 550 watt category. That's enough for pretty much any single video card system.
I have already purchased a 600 watt PSU. Thanks
My System SpecsSystem Spec
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 PSU went up in smoke. New PSU won't boot PC




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