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How to possibly fix a PC that will turn on but will not beep and will not display anything on screen

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WARNING: NEVER PLACE ANY COMPUTER COMPONENT ON A METAL SURFACE! I sadly repeat an error in this video where I place computer components on the metal chassis of my computer case: THIS IS AN ERROR ON MY PART! PLACE THE COMPONENT EITHER ON A NON-CONDUCTIVE SURFACE SUCH AS WOOD OR NON-SHINY CARDBOARD, OR PLACE THE COMPONENT IN AN ESD-SAFE ANTI-STATIC PACKAGING WHEN NOT INSTALLED IN YOUR SYSTEM.

WARNING – I will NOT be held responsible for any damages the methods shown in this video may cause to yours or someone else’s computer, hardware, software, and/or data, including loss of use of such devices and/or loss of data and/or loss of profits from the resulting inability to use such devices and data. Any information or program you choose to put into use from this video is done AT YOUR OWN RISK. As a precaution, I recommend backing up any irrecoverable data before practicing any of the methods shown in this video.

This video will show you how to possibly fix a desktop personal computer that, when the power chassis button is pressed, powers up, the lights turn on, the fans spin, the hard drive and optical drives spin up, the connected devices such as USB receive power, but NO image, writing or text appears on the screen and NO POST beep error / message codes can be heard (essentially, the computer does not enter POST and boot the operating system from the initial bootup procedure that allows you to access the BIOS).

Typically, the CMOS (the component that governs which components are connected to your motherboard and how they interoperate between each other) has become confused and needs to be cleared AND / OR two or more incompatible components are present and have developed a conflict with one another and have to be switched or replaced AND / OR one or more components have gone bad (become faulty) and have to be replaced. This video will show you methods to go about diagnosing these problems.

Beep error codes differ from one BIOS manufacturer to the next. To discover what the beep error code is trying to telling you, discover the manufacturer of your BIOS (available in the motherboard’s manual or on the motherboard’s manufacturer’s website {on the page for your specific motherboard model}) and then look up the frequency and interval of your beep error code on:

http://www.computerhope.com/beep.htm

If this is new hardware that you are installing on your motherboard (that you have not yet got to work on your motherboard,) note that matching bus types of video card to motherboard socket (for example, both motherboard socket and graphic card are PCI-E 16X) or matching bus types of RAM module to motherboard socket (for example, both motherboard socket and RAM module are DDR3) does not necessarily signify compatibility. If this is the first time you are trying this hardware on your motherboard, there is a chance that this new hardware is not compatible with your motherboard, despite the same bus type and despite the fact that the new parts fit in their respective motherboard socket. Your motherboard manufacturer’s website will have a support page dedicated to your motherboard’s model, and on this support page should be a compatibility list for such components as video cards and RAM modules. Ensure that your new component is certified to function with your motherboard, and if your new component is not present on the compatibility list, then there is a chance that the component is not compatible with your motherboard.

If, on the other hand, this is a component that has already functioned on this motherboard but no longer functions, let me know.

If your computer powers on but for a mere second or two and then immediately powers down, It sounds like your motherboard is developing a short circuit due to contact with the metal casing. Most likely it has to do with the screws and metal mounting stands (supports) that your motherboard sits on. The cheapest way to fix this problem is to introduce cardboard washers between the screws and where they make contact to the motherboard, or you can buy plastic mounting supports at a computer shop.

Alternatively, you can always Breadboard it: 1)place the motherboard with CPU+Fan on wood or non-shiny cardboard 2)connect all of the case connectors to the board’s panel 3)with a power bar that is OFF connect the PC power cable from the power bar to the power supply and the power supply to the board 4)while NEVER touching any exposed component,power on the power bar and press the power switch on the case.If the problem still persists,one of the remaining components is probably defective.Power off the power bar before dismantling

I cover breadboarding in greater detail in this video:
http://www.youtube.com/watch?v=_EK9a-R5pss

If the steps in this video did not provide a solution to your problem, view my:

You never know, maybe rebuilding the PC in the opposite sense that you took it apart will solve the problem.

Comments

RodneyDickson says:

+Toon Van Dijck +Toon Van Dijck +Toon van Dijck Ensure that your cable
going from your PC to your display is properly connected on both ends.
Also, if you have another video out on your PC, try connecting your display
to a different video output. Has this display ever worked with this PC
before?

RodneyDickson says:

+Charles Flippen I’ve seen this issue with Dell PCs before. Well, your
troubleshooting steps were thorough, and sadly I haven’t much else to
suggest. I guess as a last ditch attempt (if the PC isn’t on warranty
anymore) you could always try breadboarding the PC or rebuilding the PC in
an opposite sense (see Advanced troubleshooting technique tutorial of how
to possibly fix a PC that will not beep at boot )

RodneyDickson says:

@casper14161 Nice! Glad I could help you out with this : )

RodneyDickson says:

+Andrew Wessell +Andrew Wessell +Andrew Wessell If your computer powers on
but for a mere second or two and then immediately powers down, It sounds
like your motherboard is developing a short circuit due to contact with the
metal casing. Most likely it has to do with the screws and metal mounting
stands (supports) that your motherboard sits on. The cheapest way to fix
this problem is to introduce cardboard washers between the screws and where
they make contact to the motherboard, or you can buy plastic mounting
supports at a computer shop.

Alternatively, you can always Breadboard it: 1)place the motherboard with
CPU+Fan on wood or non-shiny cardboard 2)connect all of the case connectors
to the board’s panel 3)with a power bar that is OFF connect the PC power
cable from the power bar to the power supply and the power supply to the
board 4)while NEVER touching any exposed component,power on the power bar
and press the power switch on the case.If the problem still persists,one of
the remaining components is probably defective.Power off the power bar
before dismantling

I cover breadboarding in greater detail in this video:
Advanced troubleshooting technique tutorial of how to possibly fix a PC
that will not beep at boot

RodneyDickson says:

@paolo greco Thanks for the support : )

Calvin Collins says:

umm can you help me?i just got a gtx 630 gt evga graphics card and when i
put it in and closed it up and turned it on nothing happend but i heard
windows start up do i need to connect it? get a higher watt psu or what plz
reply

carlos valentin says:

When I unplugged dvd drive it turned on, or booted. thanks’

AwsOs Badr says:

Okay i’ve another problem its beeb and show me the bios but its not working
its give me black screen and restart … I hope you get my point ᴗ̈ 

HEAD KICKER HD says:

My computer fans spin then stop then spin the stop over and over 

RodneyDickson says:

@alonzo fernandes So good! Glad to help out : )

ZombiesKnowTech says:

Just install new CPU Athlon x4 750k and no display on monitor I here the
beep when turn on PC but nothing I install back my old CPU a6 5400k but
still same problem help

Jmack1lla says:

I took my cmos battery out and held the power button for 20 second to drain
the capacitors and repowered it and I got my bios back. Powered down to
plug my components back in. Power on and nothing. An hour later it powered
on once. The never again. I’m about to replace the mother board and I have
a new cpu because I went with a different socket type.

GoatGaming says:

I just replaced my cpu, but i dont get beeps or a screen. But when i put my
old cpu back it does work help?

iTechGaming GR says:

someone plz help , my pc cannot open , it open and close randomly within
one second without any beeps to be listen . 

WorldstarPvp says:

My computer turns on and is running perfectly fine. I just installed a new
amd card and a new psu. Upgraded from on board graphics. And now after the
installation. My computer turns on but my screen will not even turn on.
Like it has no power. I even reconnected it to the on board graphics. Same
thing. 

Jesse Villatoro says:

What if you got 2 cmos jumpers

tjhall1000 says:

my motherboard says i get error code 99, ive ruled out ram, and SSD, so
either my graphics, or CPU are dead, i hope not motherboard v__v

K- Hype says:

Bent CPU pins and bad ram can also cause this problem

ComputaSezNo says:

Hi there, would be grateful if you could help with the difficulty im having
whilst starting my computer up.
My computer had been slowing down recently, until it crashed whilst running
a game and will not start up now. The fan makes an abnormally loud noise,
and the beep will sometimes be continous, sometimes fade and come back on a
few times, it changes everytime I restart it. Nothing comes up on the
screen apart from my monitor logo (so the monitor obviously isnt the
problem) and the computer remains like this until I unplug it again.
if it helps, I did find a few adware viruses on my computer that installed
with other .exe files, but im almost certain that this wouldnt affect any
hardware or interal components whilsy starting my computer up…?
Thankful for any response ASAP :)

X/2 says:

I pushed the power button on my pc and completely nothing happened no fans
are spinning , no sign of anything. It’s like having the ac cable unplugged
but I have plugged it in

Ultimoz says:

I press the power button and the cooler starts spinning but a lot louder
than usual. The GPU fans do not spin. The monitor doesn’t pick up any
output eithet. It was working fine yesterday so im confused as to why it’s
suddenly doing this.

Florida Man says:

Hey
My computer has been having a similar problem since yesterday when I
cleaned it with compressed air. It turns on then ten seconds later turns
off again, then on, then off, all without loading BIOS or Windows.I think
it’s an issue with the motherboard hardware (something involving the
circuits maybe?) but I’m not sure.
I’ve tried with different power supply, without graphics card, without one
or both RAM sticks, with everything unplugged except CPU, everything
unplugged except CPU and RAM, taken the motherboard out of the case to
check if it was a short, removed the CMOS battery for 15 minutes, and
reseated the CPU. I’m kinda worried because I live in Latin America where
computer hardware is hard to get and overpriced and RMA’s are a pain to
request. Would really appreciate the help. as Google, r/buildapc and
/r/techsupport haven’t been very helpful.

RodneyDickson says:

@james wood Heh, glad things were still viable in the end and happy to help
: )

ALGamer | Dz/En says:

Man my pc run but dont display the ram is good the graphic card is good the
cpu is good help me please is the problem in the mother board?


Jacob sneiger says:

I replaced my CPU with another one. Now when ever I try to turn it on, the
monitor doesn’t turn on and neither does the keyboard. By the way it’s AMD

Melon lo says:

I have question. When I removed the battery thing my computer started
working fine? And also I have the battery thing somewhere safe but what
should I do with it?

CallMeJas17 says:

Can you help me? The problem of my computer is that it turns on and some
wierd lines pop up they are normally vertically lines that have different
colors. This prevents me from doing anything i have no choice but to turn
it off

Ignatius Michael says:

Hey, my computer works fine, but when I tried to install an ATI Radeon 4450
1GB DDR3, and connect my VGA cable to that video card, it shows a black
screen or “mode not supported” warning. Please keep in mind that NY PC
works fine with the onboard video card. Thanks

Andrew Stewart says:

Ok you are amazing thanks so much my gaming computer works!! I’m dancing.

Cedric Chellen says:

Please help me still get beep sound after clean the ram have you another
solution? ?? Thanks in advance 

Natsu1610 says:

My computer is working fine sometimes and booting up nicely without any
problems..
But the next time i try to switch it on, i face a black screen with no
output. It is happening the same for a week now.
It either switches on and works fine or else just shows the black screen
with no pattern or whatsoever. And so i couldnt point out the problem
Do you think its possible that the MOTHERBOARD is damaged and not of any
use..or is there any way to know the problem with a solution

Mario S says:

My fan runs full speed without stoping and I get no signal to the monitor.
The USB ports still work though, so could it be the motherboard?

Nasser Ali says:

Hey! I ended up replacing my motherboard, because I heard a static sound
coming from the motherboard. I replaced it thinking there was a short, but
I could still hear the sound. Now I think it may have been my video card.
but I’m not completely sure how my video card could just suddenly go bad.

elton69 says:

can you help me with my problem? the computer will turn on and will beep
but no display with or without a video card installed. I’ve tried checking
the cables but still no luck. I’ve also tried using the video card on
another computer but still the same problem occurs. any idea what could
possible happened?

Younes Batsi says:

My oc turns on i see the windows 8 logo from the load screen after that i
see nothing only when i move my mouse i can see the cursor only but
everything in the background is black what do i have to do pls help

Sydni McNeel says:

So after you unplugged your RAM and it beeped, mine did not. Now what? 

Eddy Biffi says:

Hi!!
Awesome Video! Thank you!!!
I have the same problem… I insert my new Graphics card, plug in the
power, put on the PC on, and nothing… mo screen, no beep…
I place my older graphics card it, and it works perfectly…
We thought it was the PSU, we upgraded to 650w.
Put the card in, and nothing 🙁
Is my new Graphics card defective? Is my Motherboard to blame? 

Himanshu Sharma says:

Thanks buddy

Evolution Gamers says:

HELP! I have a similar problem. No beeps or anything. I have tested to
change all the other parts but I do not mainboard, the power supply or
processor … I’ve put together the machine 10 times and I can not find the
problem. Can the processor be dead? I suspect the motherboard .. I do not
understand the machine work a couple of days ago but the very next day when
the starter no image, but the machine will start..

TiniTot_2001 says:

My computer won’t work with the keyboard and mouse witch makes the monitor
not come out of sleep mode and I don’t know what to do when I plug the
keyboard in and push like caps it works then if I do it again I doesn’t.
Help?…

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