my pc would suddenly not POST

[ultimate99]

All of the sudden, my computer stopped POSTing. not on the display, fans are all spinning. I use displayport for connection, tried dvi-d no difference. I reseated the gpu and ram, nothing. I tried connecting the keyboard to different usb ports, it won't light on. Any ideas?

[Mindovermaster Global Moderator]

Sounds like a bad PSU. Can you test with a different one?

[ultimate99]

Can't, it's the only pc I have and it's relatively new. I just built it a few months back.

 

UPDATE: should psu fan be spinning all the time or only at high temps? because it's not spinning... It's an EVGA SuperNova 550 GS.

Edited September 27, 2016 by ultimate99

[xendrome]

15 minutes ago, ultimate99 said:

Can't, it's the only pc I have and it's relatively new. I just built it a few months back.

 

UPDATE: should psu fan be spinning all the time or only at high temps? because it's not spinning...

Typically all the time.

[Hum]

A few times this happened to me, I replace the CMOS battery right away.

 

On my systems, it would not POST without a good battery. [typically a 2032]

 

Forget about how 'new' the PC is -- that battery could have been laying around a long time before you ever got the motherboard.

 

Did you check the power switch on the PSU ?

 

Check all the power connections from the PSU to the motherboard and drives.

[ultimate99]

Mobo light is on, gpu, cpu and chassis fans spin, except the psu.

[Mindovermaster Global Moderator]

Like I said before, your PSU is bad. It happens, just call EVGA up and get a RMA...

[Hum]

Replace your power supply.

 

Get at least a bronze level, 600 watt.

 

ex.: https://www.amazon.com/Seasonic-M12II-620-BRONZE-SS-620GM2/dp/B003HE260I/ref=pd_sbs_147_1?ie=UTF8&psc=1&refRID=ZVQV0GBEK2PQVG2Z1YG6

[exotoxic]

2 hours ago, ultimate99 said:

UPDATE: should psu fan be spinning all the time or only at high temps? because it's not spinning... It's an EVGA SuperNova 550 GS.

 

Read the specs, that PSU has a hybrid fan so it is normal that it is not spinning.

 

EDIT: unless you flipped the switch to "always on"

[ultimate99]

It's booted up.....I had to reset CMOS with a screw driver. Phew!

Thanks guys.

[Hum]

12 hours ago, Hum said:

A few times this happened to me, I replace the CMOS battery right away.

 

On my systems, it would not POST without a good battery. [typically a 2032]

11 hours ago, ultimate99 said:

It's booted up.....I had to reset CMOS with a screw driver. Phew!

Thanks guys.

Amazing Holmes

 

[Obi-Wan Kenobi]

man, I'm glad you got it going! I know I'm late to the thread, but I can't tell you how many times I've had to do the same thing! Good job, buddy!

[T3X4S]

Thou shalt not overclock !

 

[fintechfooty]

31 minutes ago, T3X4S said:

Thou shalt not overclock !

 

This happened to me when I overclocked! What makes it do this? For my old pc I could overclock it from 3.0 to 3.7GHZ and also do the memory and gpu. With the new one I built I can't even overclock by .1GHZ without this happening!

[T3X4S]

5 minutes ago, suprNOVA said:

This happened to me when I overclocked! What makes it do this? For my old pc I could overclock it from 3.0 to 3.7GHZ and also do the memory and gpu. With the new one I built I can't even overclock by .1GHZ without this happening!

Well - it depends on quite a few factors, but the short answer is - incorrect settings.

Some CPUs and chipsets dont like OC-ing.

Without knowing the details of what you attempted, one can only guess as to the reasons.
If your computer doesnt like the settings in the BIOS - it will just sit there until you change it to something that it can handle.

But, if you listed your hardware specs, and what you tried - I know there are some in here that could quickly point out what the problem was.

I dont OC.  IMHO it is just for testing, or messing around (bragging rights) - it is not supposed to be for squeezing out a few more fps in a game.

If you have to OC to get 3-4 more fps - that means its time to upgrade - again, IMHO.

My desktop is watercooled, has all the good name brands - but I do that for reliability - if I need more performance - I'll upgrade, not OC.  But thats just me.

If you post what you did in the OC subforum - there are some guys in here that can spot the problem in a matter of seconds.

The biggest problem many have is a crappy PSU.
 

[fintechfooty]

9 minutes ago, T3X4S said:

Well - it depends on quite a few factors, but the short answer is - incorrect settings.

Some CPUs and chipsets dont like OC-ing.

Without knowing the details of what you attempted, one can only guess as to the reasons.
If your computer doesnt like the settings in the BIOS - it will just sit there until you change it to something that it can handle.

But, if you listed your hardware specs, and what you tried - I know there are some in here that could quickly point out what the problem was.

I dont OC.  IMHO it is just for testing, or messing around (bragging rights) - it is not supposed to be for squeezing out a few more fps in a game.

If you have to OC to get 3-4 more fps - that means its time to upgrade - again, IMHO.

My desktop is watercooled, has all the good name brands - but I do that for reliability - if I need more performance - I'll upgrade, not OC.  But thats just me.

If you post what you did in the OC subforum - there are some guys in here that can spot the problem in a matter of seconds.

The biggest problem many have is a crappy PSU.
 

Thank you! I definitely will post my specs to the OC section! I never really gave it a thought but my PSU is cringeworthy (something that I spent a good amount on with the previous build).

[T3X4S]

3 hours ago, suprNOVA said:

Thank you! I definitely will post my specs to the OC section! I never really gave it a thought but my PSU is cringeworthy (something that I spent a good amount on with the previous build).

Yes, a PSU is one of the most important factors in a computer.  The reason it is overlooked, and people buy generic ones, is simply because spending more money doesnt make the computer any faster.
But, when a computer is pushed, it draws more power, and if that power is flaky (bad PSU) - nothing good will come from it.  Basically, you'll be lucky if it only fries the PSU and doesnt take a few parts with it.

There are 2 easy ways to spot a good PSU - cost and weight.  (Cheap ones dont have much inside, so they are light)

Some good name brands are :
Corsair
Seasonic
Enermax
There are others, but those are some of the most popular.
The ratings (Bronze, Silver, Gold, Platinum, and Titanium) are another way to know quality. (only a couple have the Titanium rating)

But wattage is only half the story - brand/quality is the other.

A cheap brand will test their PSU in a cold testing facility (electronics fail under heat)
So when a cheap maker tests their PSU and it hits 500W for a split-second, they will slap a 500W sticker on there.
A good brand will stress in real world conditions, and if it hits say.. 520W - they will actually downgrade the rating and put the 500W sticker on there to be safe.
(a cheap 500W PSU - is probably more like a 300W in real world settings)

Right now, the Corsair AX1500i Titanium is one of the best, if not the best on the market. And it should be @ $400.  But most builds dont require something that insane.

 

Good Luck

[Hum]

^ I've seen real world tests on YouTube, which loaded up a PC with high-end componets, and the machine never drew more than 425 watts or so.

 

Most people do not need 1500 watts.

 

Ex:

 

[Hum]

edit

[Mindovermaster Global Moderator]

16 minutes ago, Hum said:

^ I've seen real world tests on YouTube, which loaded up a PC with high-end componets, and the machine never drew more than 425 watts or so.

 

Most people do not need 1500 watts.

 

<snip>

 

I agree. 1500 watts is never needed. The ONLY time is like when you do a Quad SLI, and overclock like silly.

 

In a real world, it is not needed. If you just want to show off your system, great.