is my computer dead?

Situation:
When i try to turn on my computer nothing happens. I don't see any LED turned on, no fan noise, no biib.

Spec:
Ocz vertex 3 256 gb. boot drive
Intel Core i7-2600 k @ 4.4 ghz /w Noctua NH-D14
gigabyte GA-Z68X-UD4-B3 (rev. 1.0)
Radeon HD 6950 2GB
corsair vengeance 1600 Mhz cl8

History:
I got a thread in General discussion (http://www.sevenforums.com/general-...-get-into-bios-advanced-start-up-setting.html)
Where i was trying several things since i couldn't get into the bios nor advanced boot, got suggested to reset my CMOS and tried the method by unplugging the battery, didn't work then i tried the Jumper pins, and saw on the internet that i can use some metal object to connect the pins and i used a screwdriver. after that I haven't seen any signal from my computer.

If you read through my general discussion debate then you get a good picture of the situation.

Have you tried a NEW PSU?

have you tried a NEW CABLE?

Do you know that its getting POWER?

Is the Switch on the wall ON?

2 days ago my brother was trying to Turn on his PC and it was'nt doing anything... all i did was i changed the Power Cord and it's working again. That's possible that your Power Cord has died so try another one if you have a spare or just take one of the LCD/Monitor etc.

It is getting power.
It was working before i did the jumper method. no one touched it so i suppose it is working but not 100% sure.. will try another one if i can find one.
the wall switch is on & working since one TV is also in the same switch and working fine.
No I haven't tried another PSU yet, since i don't have any other in my reach, need to buy one in order to test another one.

check the PSU, most I know have a dedicated on-off switch (although I work with oldish stuff, don't know about newer ones). If it is turned off even if it receives power from the wall it won't work (duh!).

This detail caused annoyance more than once, to me at least.

i know its sounds rediculuse but have you checked the connections for the power button that turns the pc on off that is located on the front of ur case?

I noticed in the other thread you started you were asked for your specs. We still don't have your specs. Use Speccy to get them.
Speccy - System Information - Free Download
Install them using User CP at the top of the page. That way they will follow your every post.
Did you follow any of the suggestions in the other thread and what were they and the results.
It's very hard to help with out specs and jumping around from thread to thread for the same computer with the same problem. The right hand doesn't know what the left hand is doing. I would recommend using one thread and not jumping all over the Forum for the same problem with the same computer.

I posted this in your other thread, but I'll add it here too.
Normally, even when there are only two pins, the plastic jumper will still be there, only connected to one pin. Inside the plastic shell is a metal contact that shorts whatever two pins its connected to. Shorting the two pins with a metal object is the same as putting the jumper on and then taking it back off again. If the power supply is unplugged, and any residual power drained, nothing bad should happen when you short the pins. Pressing the power button with the supply unplugged will drain off any residual power. The only other thing to watch out for is a static discharge when using a screwdriver or other similar device. If you fingers are touching the metal shaft a static discharge can happen and damage the motherboard. That's why the jumpers have a non conductive shell. CMOS chips are especially susceptible to static discharge damage. It sounds like, even though proper procedures were followed that something got damaged on the motherboard.

Layback Bear said:

I noticed in the other thread you started you were asked for your specs. We still don't have your specs.

Click to expand...

He posted his specs in the OP.
And running speccy on a computer that refuses to turn on is... complex.

alphanumeric said:

I posted this in your other thread, but I'll add it here too.
Normally, even when there are only two pins, the plastic jumper will still be there, only connected to one pin. Inside the plastic shell is a metal contact that shorts whatever two pins its connected to. Shorting the two pins with a metal object is the same as putting the jumper on and then taking it back off again. If the power supply is unplugged, and any residual power drained, nothing bad should happen when you short the pins. Pressing the power button with the supply unplugged will drain off any residual power. The only other thing to watch out for is a static discharge when using a screwdriver or other similar device. If you fingers are touching the metal shaft a static discharge can happen and damage the motherboard. That's why the jumpers have a non conductive shell. CMOS chips are especially susceptible to static discharge damage. It sounds like, even though proper procedures were followed that something got damaged on the motherboard.

Click to expand...

I don't doubt that something has happened, I can only find 3 possibilities.
1. The PSU not working
2. the Motherboard not working
3. the power botton is disconnected from the motherboard.

for 1. is it possible to damage an 850 w corsair 80+ through a static discharge? If not then i don't think that it is likely that the PSU is totally dead. Don't know if an damaged PSU allows you to boot up into the startup screen before shutting off again, if it can then possibly the PSU is damaged. (2 years warranty which still is valid can solve that problem)

2. If somehow I've managed to damage my motherboard meanwhile proper procedures were followed am i able to ask for a new board from the manufacturer? Or will i have to buy a new one myself?

3. Since the issue went from boot up problem to a dead computer by connecting the jumper pins with a screwdriver, i find it very unlikely that this is the issue.

an clear answer on these three will give me a clear picture and make it easier to see where i am currently standing in the situation.

Thanks.

a failed psu can either stop working or take the whole computer with it.

hoping it's not the psu is one way to go but they aren't full proof and do fail even the best ones fail.

if it's the motherboard then again refer to the psu and get it checked, motherboards don't just fail for fun or to give you a headache.

and the power button...just check the cable and the end going to the board make sure 100% that it's connected to the right pins don't guess really make sure.

best of luck and hope to hear good news

It could be any one of the three things you listed, I'm just going by what I know and what I think might have happened. There is a +5V Auxiliary power supply in the main PC power supply. It is always on, it only turns off if you unplug the power supply or turn the switch off on the back, if it has one. That +5V feeds the circuit on the motherboard that powers up the PC when you press the power button. That circuit feeds a signal back to the power supply and turns on the main switching power supply that powers everything. Originally your PC would attempt to turn on, so that circuit was working and the case power button was working. Now nothing happens so that means things have gotten worse. If you didn't unplug any cables or knock anything lose it should still at least try to power up. It can't hurt to go over all the connections and make sure something didn't get knocked lose. Also make sure you switched the power supply power switch back on. The proper procedure for diagnosing a fault like this is to disconnect everything not needed for the PC to post. All you need is the power supply, motherboard, CPU with heat sink, one stick of RAM, and a Video card if the motherboard doesn't have onboard video. If everything is working the PC should boot to the BIOS screen with those components. If it still won't POST the only way to find the culprit is to swap things out. I'd start with the power supply. If you think the case power button is not working you can unplug it and connect the reset button in its place. They are electronically identical. Then press the reset button and see what happens. If the motherboard wasn't damaged during the BIOS reset then something else happened to make things worse. At the very least I would reseat any add-in cards like Video and reseat the RAM sticks. Then check the power cables that go from the power supply to the motherboard.

so many things to check xd, but as alphanumeric points out start from scratch as if your building the pc from parts alone then check every cable and every connection.

If possible have spare parts on hand.

check for any loose screws ensure none are wedged behind the motherboard.

I seen a very long thread on here once where it must have seemed like every member of the community had a thought or idea of what was wrong most different and that was a very very long thread, end result was a dog hair that is easily missed in a ram slot while trying everything else under the sun didn't help, morale of the story...check and recheck everything

thanks, will try

Ok, I've figured out that the thing preventing my computer from turning on is the earth on the power supply, Because when i do some diagnostics on the 24 pin connector on the power supply and put a metal object from the green cable and into a black one, the fans start spinning..
is there any way to get earth connection again or do i need to change my power supply?
Or is it still possible that the problem is on the motherboard not getting the earth connection through the the 24 pin connector?

It sounds as though your system is working correctly, as when you short the green lead (PS_ON) with one of the ground (black) leads, the system comes on. I would check the connections to your front panel switches, to ensure that they are correctly fitted and working. As both the reset and power switches are of the same type, try swapping them over to eliminate the possibility of a faulty switch.

Dead or dying ram or video card can cause same symptoms too, have you tried stripping down to a barebones setup?
no video card or harddrive etc? can help sometimes.
Antz

xant420 said:

Dead or dying ram or video card can cause same symptoms too, have you tried stripping down to a barebones setup?
no video card or harddrive etc? can help sometimes.
Antz

Click to expand...

If the Motherboard and Power Supply is functional - and the problem was laying in the Ram or VGA, wouldn't there be any biiib sound code from the motherboard then?

or can an problem in vga/ ram make the computer totally dead , no led, no sounds, no fan.

marimuda said:

xant420 said:

Dead or dying ram or video card can cause same symptoms too, have you tried stripping down to a barebones setup?
no video card or harddrive etc? can help sometimes.
Antz

Click to expand...

If the Motherboard and Power Supply is functional - and the problem was laying in the Ram or VGA, wouldn't there be any biiib sound code from the motherboard then?

or can an problem in vga/ ram make the computer totally dead , no led, no sounds, no fan.

Click to expand...

Not always, but more often than not, I would expect a beep code if the motherboard was functional. The test you did shows that the power supply is probably OK. Its just not getting the turn on signal from the motherboard. So its either a motherboard fault or a defective case power button. As mentioned you can swap the case power and reset buttons and then try pressing the reset button to turn the PC on. Or unplug the case power button and momentarily short the two motherboard power pins with a screw driver.

Just because the psu fan spins when the power on is triggered doesn't mean all the various +5V +12V +3.3V etc are present on every connector. I recently had a failed psu where just one of the 5Vs was down. The OP should use a multimeter (less than 5GBP from Amazon) to check all the DC voltages.

Note to any noobs - be VERY careful attempting the power on short test at the 24 pin socket. Its easy to screw the psu if you short the +5V etc.