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Old 07.03.2020, 20:02
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Need desktop computer repair/diagnostic in Zurich

Hello everyone,

I just moved in to Zurich a few days ago. I brought most of my dismantled desktop computer in my luggage and bought a brand new case after arriving. Unfortunately, after reassembling it, it no longer works.

Does anyone recommend a good and not-so-expensive computer repair shop in Zurich where they can perform a diagnostic on my machine to determine which parts might be broken?

Thanks in advance!
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Old 08.03.2020, 10:01
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Re: Need desktop computer repair/diagnostic in Zurich

No idea.

But... there's a few people on this site who know about building their own computers. Like me. Maybe we can help you figure it out.

Exactly how far in the boot up process do you get? Does literally nothing happen when you switch on? Or do you get beeps, lights and whirring sounds - but never get to the desktop? Can you get into the BIOS?
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Old 08.03.2020, 11:20
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Re: Need desktop computer repair/diagnostic in Zurich

Hey there, thanks for reaching out,

Nothing happens - absolutely nothing. Here's a more detailed description of how things went:

First time I assembled it, nothing happened. No boot, no lights, zero. I thought it could be the PSU, so ordered a new one, same model as my previous one - a seasonic MII evo 520W.

Tried it and, again, nothing.

Then I thought it could be the Motherboard, so I ordered a new one, similar to my previous one - a B450 Tomahawk Max.

Again, nothing. I did notice that if i press the Bios flash button on the back of the motherboard it blinks for a bit, which seems to tell me that there's power coming from the PSU to the motherboard.

Now i'm wondering if the Nzxt H510 case that I ordered has a faulty power button or something.

Any ideas/thoughts are welcome.
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Old 09.03.2020, 00:37
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Re: Need desktop computer repair/diagnostic in Zurich

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Hey there, thanks for reaching out,

Nothing happens - absolutely nothing. Here's a more detailed description of how things went:

First time I assembled it, nothing happened. No boot, no lights, zero. I thought it could be the PSU, so ordered a new one, same model as my previous one - a seasonic MII evo 520W.

Tried it and, again, nothing.

Then I thought it could be the Motherboard, so I ordered a new one, similar to my previous one - a B450 Tomahawk Max.

Again, nothing. I did notice that if i press the Bios flash button on the back of the motherboard it blinks for a bit, which seems to tell me that there's power coming from the PSU to the motherboard.

Now i'm wondering if the Nzxt H510 case that I ordered has a faulty power button or something.

Any ideas/thoughts are welcome.
I guess your only chance to find out what's happening is to start removing everything and try to boot.

I had a problem with one of my servers and it was just a faulty fan.

Start to remove everything that is not necessary for the PC to boot (even fans). Try with only CPU, 1 stick of RAM and 1 HDD. Then if it boots, shutdown and continue to add more parts until it doesn't.

If with the first minimal setup it doesn't boot it would be helpful to have a spare CPU and motherboard.

As for the possible faulty power button you can short 2 pins in your motherboard (if you don't have a switch to boot in the motherboard itself): https://www.youtube.com/watch?v=FuPZlliGqBw

If you need any further help I can try to assist.
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Old 09.03.2020, 06:54
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Re: Need desktop computer repair/diagnostic in Zurich

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Hello everyone,

I just moved in to Zurich a few days ago. I brought most of my dismantled desktop computer in my luggage and bought a brand new case after arriving. Unfortunately, after reassembling it, it no longer works.

Does anyone recommend a good and not-so-expensive computer repair shop in Zurich where they can perform a diagnostic on my machine to determine which parts might be broken?

Thanks in advance!
cmos battery changed? Theres no such thing as a not-so-expensive PC shop in Zürich. Its trial and error. Try to start from the very minimum of parts. Mobo,cpu,1 ram,psu

Last edited by omtatsat; 09.03.2020 at 07:20.
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Old 09.03.2020, 08:31
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Re: Need desktop computer repair/diagnostic in Zurich

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Tried it and, again, nothing.Hey there, thanks for reaching out,

Nothing happens - absolutely nothing. Here's a more detailed description of how things went:

First time I assembled it, nothing happened. No boot, no lights, zero. I thought it could be the PSU, so ordered a new one, same model as my previous one - a seasonic MII evo 520W.

Then I thought it could be the Motherboard, so I ordered a new one, similar to my previous one - a B450 Tomahawk Max.

Again, nothing. I did notice that if i press the Bios flash button on the back of the motherboard it blinks for a bit, which seems to tell me that there's power coming from the PSU to the motherboard.

Now i'm wondering if the Nzxt H510 case that I ordered has a faulty power button or something.
I would not have bought a new PSU or motherboard at this stage.

To begin with, try and keep things simple. If everything you have worked before and the only component which is new is the case then I would consider this the number one suspect.

There will be some power to the motherboard before the ON switch is pressed.

The case may be fine. The cable to the ON switch may be faulty.
Have you double-checked that you have plugged in all the cables correctly?
Make sure you haven't got power and LED cables swapped over.
Make sure the cables are correctly orientated (they can sometimes be fitted horizontally and vertically in the same connector. Quite often the orientation is counter-intuitive).
Download the motherboard manual and check there.
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Old 09.03.2020, 09:13
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Re: Need desktop computer repair/diagnostic in Zurich

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Hey there, thanks for reaching out,
Now i'm wondering if the Nzxt H510 case that I ordered has a faulty power button or something.
Try to "jump-start" you PC. Open the Side-panel of your case, and using a screwdriver, touch the power switch connector.

"JPL1" pin sets (left on this image):
Name:  tom.jpg
Views: 255
Size:  65.8 KB


In case of the Tomahawk B450 Max, the 3rd and 4th pin counting from top left:



Detailed instructions

And don't worry, nothing happens if you touch the wrong pins so no need to sweat. It's not risky to try it.

If this works, you proabably connected your case front panel in a wrong way or as you said, the panel button has to answer for its crime. If it doesn't, you know it's not your case fault.

Last edited by Th3Alchemist; 09.03.2020 at 11:03.
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Old 09.03.2020, 09:43
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Re: Need desktop computer repair/diagnostic in Zurich

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cmos battery changed? Theres no such thing as a not-so-expensive PC shop in Zürich. Its trial and error. Try to start from the very minimum of parts. Mobo,cpu,1 ram,psu
Excellent suggestion. It's the first thing I'd check if it doesn't boot at all.
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Old 09.03.2020, 10:56
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Re: Need desktop computer repair/diagnostic in Zurich

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Excellent suggestion. It's the first thing I'd check if it doesn't boot at all.
Should still boot or at least go to to the BIOS page though albeit with factory default settings.

Anyway, he changed the motherboard so it's not that!

CMOS batteries don't need changing so much these days. Power requirements of memory ICs is minute these days compared with it what is was twenty years ago.
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Old 09.03.2020, 10:56
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Re: Need desktop computer repair/diagnostic in Zurich

So I know this sounds very basic and I don't want to make a fool out of you, but you do have power coming from the outlet and the PSU switch is on?



This last one is overlooked many times
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Old 09.03.2020, 10:59
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Re: Need desktop computer repair/diagnostic in Zurich

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So I know this sounds very basic and I don't want to make a fool out of you, but you do have power coming from the outlet and the PSU switch is on?



This last one is overlooked many times
He said he had power on the motherboard.
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Old 09.03.2020, 11:14
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Re: Need desktop computer repair/diagnostic in Zurich

make sure graphics card, ram, cpu are all seated correctly and not over-tightened. i saw many cases where gfx card was on too tight which flexed the motherboard and created boot errors.

make sure motherboard is correctly connected and powered (e.g. cpu power, pcie power to gfx card).

taking a photo of what you have done might help as we can only guess right now due to lack of description.

Also: if you moved from the US and had the power supply set to 110v, you might have fried a few things...

Last edited by Phil_MCR; 09.03.2020 at 11:59.
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Old 09.03.2020, 11:37
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Re: Need desktop computer repair/diagnostic in Zurich

You could try STEG computers in Dietekon. They (at least in Lugano) are good at diagnosing faults.
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Old 09.03.2020, 12:29
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Re: Need desktop computer repair/diagnostic in Zurich

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Should still boot or at least go to to the BIOS page though albeit with factory default settings.
I will not argue with contemporary computers, because I haven't faced the issue in ages. But it did happen to me a very long time ago, and the computer wouldn't boot at all. It did when I changed the battery.
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Old 09.03.2020, 12:36
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Re: Need desktop computer repair/diagnostic in Zurich

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I will not argue with contemporary computers, because I haven't faced the issue in ages. But it did happen to me a very long time ago, and the computer wouldn't boot at all. It did when I changed the battery.
On modern motherboards, the BIOS info is stored in Flash (which of course is non-voltatile) rather than in volatile memory. The CMOS battery is just to keep the RTC (clock) ticking.
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Old 09.03.2020, 12:44
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Re: Need desktop computer repair/diagnostic in Zurich

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On modern motherboards, the BIOS info is stored in Flash (which of course is non-voltatile) rather than in volatile memory. The CMOS battery is just to keep the RTC (clock) ticking.
So my memory isn't tricking me, is it? It WAS the case that in the past, a dead battery meant the computer may not boot at all, innit?
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Old 09.03.2020, 13:33
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Re: Need desktop computer repair/diagnostic in Zurich

The initial problem description plus the first steps to solving the problem suggest to me that the best course of action would indeed be to find some local support in Zürich.

Anyway, here is the installation manual for the motherboard and it is no trivial exercise (PDF): https://download.msi.com/archive/mnu.../E7C02v1.3.pdf
You followed all that and respected the prerequisites like the processor model (if the new motherboard is not exactly the same as the old one) ?

On page 38, the section entitled "EZ debug leds" says how to interpret the self test diagnostic lights. Is there any sign of life there ?
Page 97 has a trouble shooting guide.
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Last edited by me.anon; 09.03.2020 at 13:44.
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Old 09.03.2020, 20:53
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Re: Need desktop computer repair/diagnostic in Zurich

Hey everyone,


Gotta thank you all for the time taken to help me with this issue. Sorry for replying this late but was a tough day at the office.


I'll start following your suggestions ASAP. But to answer a few of your questions:


1. i double, triple, quadruple checked the switch on the PSU.
2. i did say there was power going into the mobo. what led me to believe this was that the flash bios led button blinked when i pushed it.

3. i didn't move in from the US, but from Portugal.
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Old 16.03.2020, 21:49
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Re: Need desktop computer repair/diagnostic in Zurich

Hello again everyone...


I am quite ashamed to admit I had plugged the frontpanel conector to the wrong slot in the motherboard...


Crisis solved. Noob lesson learned.


Thanks everyone!
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Old 16.03.2020, 21:57
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Re: Need desktop computer repair/diagnostic in Zurich

I'm glad we saved you some cash. Another fine job by the EF community.
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