Question pc appears dead when turned on

[Pcboy69]

I5 9600k cpu
Z370-a pro mb
Cm750m psu
16gb ram
Ok so after transporting my pc to another house which took approx 20 min my pc shows absolutely nothing that indicates that it works, no lights, fans or sounds.

Things i’ve tried:
Check power switch is on.
Check all cables/components are not loose.
Use another power cable.
Tried another psu but the same happend- nothing at all.
I have tried to take out psu, mb cpu and a ram stick but no luck.
Tried to jump mb but no luck.
Couldnt see any visual damage on motherboard.

Dont want to try to jump the psu due to not having a fan to check and thinking the problem mainly lies on a burnt(?) motherboard.
Any help highly appreciated, thinking of going out and buying a new mb and hopefully it works.

 

[Pcboy69]

Well some damages can be seen via visual inspection and also not seeing anything doesn't refute the probability of the board having been somehow damaged during the move.



This is why I included the "(working?)" when mentioning the other PSU. It is, as said above, not very likely but it happens especially if it's an old-ish unit which hasen't been tested recently and known to be in good working condition.

Also in post #1 you said "Use another power cable. ". Did you mean the cable from the AC outlet to the PSU receptacle? Not sure that PSU is modular? Just checking you didn't mean you used another ATX power cable from PSU to board by any chance?

I have just tried 2 different cables from the ac outlet to psu so the problem is not there;
Also the psu is semi modular

 

[madartzgraphics]

Based on what I'm seeing. You either have problem with your PSU or Motherboard. Do the paper clip test first by shorting the green black pin (be careful with this) while separated from everything aside from 1 fan. If it spins.. wait for some minutes, mine blew up while doing that correctly meaning it is busted. If it did not spin, it's already busted and check everything if it fried your motherboard and everything else connected to it.

One more thing, 2 days ago, I replaced a bad PSU that is causing a "no boot" problem to my PC (no power), the one that blew up while paper clip testing it. I replaced it with a new one but unfortunately - I replaced it with another bad PSU. supplying unstable power to my PC which leaks everywhere.

Signs of unstable PSU:

• electric shock everywhere
• static wavy monitor
• no boot
• auto-shutdown
• PSU and CPU fan has an unusual spin behaviour
• unusual blinking lights on front panel
• household power is flickering when you turn the PSU or PC on
• blue, black screen of death
• hard drive corruption, bad sectors, etc.
• absolutely nothing happens
• power surge protector gets triggered

It's pretty identical to other component problem symptoms so don't get fooled by it. If it's not the PSU, it's your motherboard or processor.

IMPORTANT: Before resorting with PSU and motherboard, make sure you have done all of the possible trouble shooting procedure.

Have you checked the:

• CMOS battery (replace and reset it)
• have you tried the 1 ram trick (if yes, put it in the other slot, boot, if no boot, put it back to the original place, boot, if no boot, replace and do it again)
• clean the whole CPU
• clean the processor with rubbing alcohol gently (thermal paste)
• make sure all cables aren't loose or faulty.. ALL OF THEM.
• make sure fans are working properly
• make sure GPU isn't faulty
• check if mobo is receiving power or not

A computer knows when to boot and when it's about to get fried. It's smarter than you know. Mine don't want me to boot, well turns out PSU is about to fry my whole machine and ASUS mobo knows what to do.

 

[jsmithepa]

One thing I havent tried is removing the cmos battery to reset the mb but to be honest it just looks like my motherboard is dead

I once had the same issue, dead, black nothing, and after checking EVERYTHING, gave up and called tech support, told me to reset CMOS, and ta-da! don't ask me to explain it.

Not a big hassle to reset CMOS, don't have to remove battery, u simply move a jumper, leave it for 10 seconds, move the jumper back, that's it. The hard part is consulting the manual which jumper, heaven forbid.

 

[Pcboy69]

I once had the same issue, dead, black nothing, and after checking EVERYTHING, gave up and called tech support, told me to reset CMOS, and ta-da! don't ask me to explain it.

Not a big hassle to reset CMOS, don't have to remove battery, u simply move a jumper, leave it for 10 seconds, move the jumper back, that's it. The hard part is consulting the manual which jumper, heaven forbid.

Im not sure what a jumper is in pc language, elaborate pls?

 

[madartzgraphics]

Im not sure what a jumper is in pc language, elaborate pls?

Theres a jumper for resetting bios on mobo or just leave it with no cmos battery there for 30 sec or longer than.

Here it is:
https://www.wikihow.com/Reset-Your-BIOS