Computer powers on, but does not boot [Solved/Closed]

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 GimliLOTR -
Hello,

I've had my desktop computer for about one year now. It is an Acer Aspire E380. On Saturday afternoon, it was going a bit slow so I decided to restart it. However, once it turned off, it will no longer turn on and boot up.

The power button usually lights up, but now it does not. But, the decorative words "Aspire" at the bottom of the tower still lights up. The DVD drive still opens, and a few lights blink on start up as usual.

The screen is blank. All of the fans seem to go, except for one. It is the one in the center of the computer on top of a group of metal prongs. It spins upon power up but stops. The power supply fan runs, the other fan runs too.

I have made sure everything is plugged in, and tried plugging it into different outlets. I can't boot from a CD, the keyboard doesn't turn on and neither does the mouse.

As far as starting up goes, everything sounds normal. No beeps or clicks to hint at harddrive failure. Sometimes when I try to start it up nothing comes on but the center fan on the metal prongs (the one that would run for only a few seconds) goes on full blast until I turn it off.

If everything seems to be going, what is stopping it from booting up?

195 replies

Hello everyone, the problem of the first post is very similar to mine. I would turn my computer on, and it would not boot. 10 seconds after I turn it on, it will shutdown, and restart itself. Everything else will turn on, like the fans, the dvd drives, the motherboard's light, and the computer's power light. If my computer is left alone, it will just keep restarting every 10 seconds. I tried rubbing my memory sticks with an eraser, but it did nothing for me. The thing is, I don't know if my computer will boot because it shuts off and restarts before I can hear it beep. I removed my memory sticks to see if my motherboard will beep because of the missing memory, but my computer restarts before it could beep. I recently bought these parts, and built it myself. This custom computer is brand new, and after I built it, it wouldn't boot. I followed the motherboards manual, and I am 100% sure that I plugged everything necessary. It isn't my first time building a computer so I know what I am doing. I tried about every possible way, I pulled out everything in both my pci slots, I removed my memory. I can not find a faulty piece. (These parts are all brand new)

I am thinking my psu is too weak, but my backup psu is only 300, and I am 100% sure my current psu isn't faulty, just weak.

My Computer Specs are:
Motherboard: Asus M3N78-VM
https://www.newegg.com/asus-m3n78-vm/p/N82E16813131318
Processor: AMD Athlon II x2 250
https://www.newegg.com/amd-athlon-ii-x2-250/p/N82E16819103681
Graphics Card: Gigabyte 9500GT DDR3 512mb
https://www.newegg.com/gigabyte-geforce-9500-gt-gv-n95td3-512i/p/N82E16814125260
RAM: OCZ Platinum Revision 2 2GB (2 x 1GB) 240-Pin DDR2 800 (PC2 6400) Dual Channel Kit
(I have 4 of these for my motherboard)(2x2 dual channel)
https://www.newegg.com/ocz-2gb-240-pin-ddr2-sdram/p/N82E16820227139?Item=N82E16820227139
PSU: Panther 450 Watt Power Supply
(Don't have link for it)

And that's about it, I am pretty sure you guys don't need my HardDisk, and DVD Drives. Do you think a 450w psu would be able to run those parts smoothly?

Thanks in advance.
my issue is finally resolved. I accidently bent 2 pins on my processor and locked it into my motherboard somehow without the 2 pins snaping and brekaing.(I know I am stupid) Anyway, I used a knife and a credit card to straighten those 2 pins and my computer booted during a bench test. That bench test helped me figure out one of my ram sticks has gone bad and prevents my computer from booting also. Thanks everyone
First off heres my spec

asus p5n32-e sli plus mobo
4 x 1gb kingston ram ddr2 667mhz
intel core 2 duo e8400
asus en9800gt 1gb g.card
320gb hdd
EZcool 600w psu
and basic dvd drive

now heres my problem

i recently changed my mobo because my usb and ps2 ports fried from a spike (im guessing but either way they got fried) so I changed from my gigabyte mobo to the one above ( a snap at £80 I think). when I put everything onto my new mobo everything lit up and fans span but I get no signal on my monitor and my hdd light stays on a solid red light. I read somewhere that this could be because of a ram compatibilty problem but I can't tell with no beeps being made. has anyone come across this problem before and solved it or does anyone have any good ideas as to what the problem is, I have scoured the internet for a fix but to no avail :( any suggestions please

thanks
a frustrated pc gamer missing his games
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P.S could this eraser fix be my best possible chance? I aint got 1 lying around but will get 1 today and try it out if so :)
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update... tried the rubber/eraser and nothing still the same as before humphhhh im all out of ideas, anyone else got any ideas
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please help me someone im missing call of duty and grid lol
My problem was similar but not exactly the same thing. It just goes to show you that some of the forces in the world make the nearly impossible possible... Here it is:

I have an older Sony desktop with a PCI video card. I went in to upgrade the RAM. Unfortunately I had to remove the video card to install it. when I put it all back together I got no video. Everything powered up but the LCD wouldn't power up. After everything was said and done, I determined that the LCD was toast. It worked fine until the moment I disconnected it. It would power up for about two seconds and then die. It is a Westinghouse that is about a year old for the record. So, if you have another monitor you should try that. You might have the same problem.
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i dont think thats the problem, the monitor works fine im on it right now on my girlfriends (super slooooow) dell and all is ok, I missing the onboard video card tho because for some reason asus thought it would be a good idea to leave it out so I dont know whether my g.cards gone but I do highly doubt it. thanks anyway Dan
Had the same issue just a second ago...my stupid self forgot to plug the 4 prong plug into the motherboard from the power supply...amazing what power does...
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i wish it was just the power cable lol, I think I need to update the bios but I cant do it without being able to see whats on screen nor do I have a spare cpu to use thats compatible with the bios on the chip cos the e8400 aint compatible unless I have the lastest bios :( something to do with the 45nm cpu's not being compatible

Helpful guide to resolving boot problems

To help fix the common error below ;)
Windows could not start because the following file is missing or corrupt..

If you guys need help resolving boot problems with Windows XP you should try www.repairwindowsxp.com I came across it a while ago and it's been very helpful to me. Maybe someone else might find it useful.

Free Tools
which will also help:-
• AVG Anti-Virus Free Edition - (Free Anti-Virus)
• Spybot - Search & Destroy - (Free Spyware/Adware Remover)
• Trend Micro HijackThis - (Analyze startup programs)
• Hiren's BootCD - (The Ultimate multi-tool Boot CD)
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i'm having a very similar problem: the power on my computer comes on, but nothing outputs anything. my monitor does not receive anything, and even my front power light does not turn on. however, all my fans turn on, even my gfx card... help please
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I have the same problem. My computer turns on but the screen nor keyboard works. My tower starts up fine all the fans and lights work. But after I turn on my computer a million times it will start up eventually and will go to a screen saying
F1- Setupu
F2- Load Optimized defaults
When I press F2 it goes to windows boot screen and then works fine after that.
I have a pirated version of windows 7
Set Up-
AMD Phenom 9850 AM2+ 125 W Quad Core
MSI DKA790GX MOBO
(2) PNY 2Gig Sticks Of Ram
650 W Power Supply
Hitachi 500 G HDD

I can only run one stick of ram right now if I insert both sticks it will not startup even after a million times pressing and restarting my tower. For when my comp does turn on it works fine.

Please Help.
DJ AKSHAY-------
Got An Answer!!! I figured out I have bad ram. So anyone else out there were the previous answers didn't help, try using someone else's ram or I guess buy some and if it still doesn't work then take it back and I dont know but new ram helped my situation.
Hey my name is Vince I have read a lot of posts you have put up to help a lot of people I am having a major problem with my comp I was playing a game at night turned it off to go to bed and when I got up in the morning and turned it on I got nothing as in no keyboard lighting up no mouse, no video and the light on front of the computer stays on when it usually blinks, now I am completely knowledgeable about computers I have put this one together myself and I have had no problems up to now and I have tried multiple things taking memory out and cleaning and using eraser on it, and switching the slots the memory goes into I took out CPU cleaned put new therm paste on it and put it back on with the fan and still the same problem, I know the CPU is working because the hd works opens closes light blinks on it, now here is the catch last year I had a my video card go up and I was having the similar problems do you have any other suggestions on what I should try.
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5
just change the memory or the video card!
i've had this computer 4 a while it is a desk top I took out the ram and put it back and then I took out one of two harddrives then booted it back up the poer light is spost to be green for go but for some odd reason it's orange all the fans are working nothings been meased with and I know computers well enough .then I take out the main drive swicth the jumpmer thinking that was it put it back and every since that point I can't get the power button to turn back green it is a gateway desk top with windows xp and a penum 3 itel proser 40 gig orignal harddrive and the onr I took out was the one I put in I can't fegure this sh!t out for nothing please somebody help me....
Can I get some help!

My issue is, this PC was not working at all. There was no power to the system, I replaced the power supply and it still did not work, I gave up and left it on my basement for good. Few month later (today) I picked up where I left off. It was dusty since I left the cover open, I took a vacuum lol and started to blow air on it. It made an attempt to start up but did not. So I connected the PC to the power outlet and with it connected I blew air to the fan on the CPU. Magically it worked and the pc turned on. Don't know how but it worked.

Now the problem is it turns on when I connect it, It stays on until I disconnect the pc. Fans turn on, power suppy, Hard drive cld is blinking, CD ROM does not seem to work when I connect the pc the eject button does not work, no system boot just power on, what might be the cause????

any help would be appreciated thank you!
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hey dj I need your help I recently turned my computer off and took it over to my mums <personal probelms> powered it up and it got to verifying dmi stage then restarted so I tried it again same thing every time why is it doing this I have tried the cpu test and anti static test but to no avail please help

gigabyte GA-M61PME-S2P
amd dual core 7750 cpu
gigabyte 1 gb 9400 video
4 gb ddr 800 ram

Ok looks like I am in the same boat now what happened I the following:
I had asrock supercomputer x58 with an i7 920 core h50 corsair water cooler DDR3 OCZ gold 6GB Ram with 5870 ATI Card now I overclocked my pc and apperently motherboard didn't handle it so well.....
I replaed the board with an Gygabite UD5 not in the mood to look for the whole name it's x58
so any way I shoved everything back in boot up and behold the black screen of awsome:Sigh

Now here's what I think all fans boot up but no beep code so I am either considering
CPU:dead
Ram:dead
or Video:dead
my powersupply is good well as far as the PSU tester goes.
Motherboard is out of the question is brand new not even opened inside it's little gigabyite bag.
Ram doesn't look burned neither does the video card nothing looks out of the orindery.
When I get home I will try bunch of the following tests:
Jumper Ram swappin another videocard taking all the other appliances etc etc.
NOTE:My motherboard has diagnostic lights to show what's working at what rate:
I have 26 ligths next to the cpu 20 Light up and acorrding to everything 4 RED are burning bright
which means it's working but not really on it's treshold which sounds about right due to the fact it justs starts up:
Now my RAM also has Diagnosticl ights which are 6 3 green 3 yellow
5 out of the 6 light up:
Which I have no idea about:
Could it be possible that the motherboard has been screwed in to tightly but if that were to be the case than it wouldn;t start at all I am pretty desperete here since I haven't gotten my PC from about 2 weeks now and it's really new so I dont know what to do.I am pretty experianced with PC's just when it comes to my own problems I really fail at fixin them.Any help would be cool

Well I fixed my box ;p

here
https://www.tomshardware.com/#t1839675
Is the whole load down of the things I had to do to fix it ;p
I have read almost everything in this thread, searched up and down around the websearch. Read like ten different threads each for my graphics card ( which I thought was dead: 6800GT), and a ATI 5700, ( that I know worked, cus already have tested it on my other computer).

Okey, now I'm really on to something, since I live of repairing computer, etc. I was not going to throw my motherboard away, it has worked for not long ago, and I now just was about to sell my computer and suddenly lately there has been this blackscreen at startup (No Signal).

What's important to understand is that even with a small coating on the motherboard there still can be dust and other small particles which can lead to mailfunctioning, or bugging, in the worse case blackscreen, etc.

So I unplugged the whole computer power, on the mainboard and at the back of the PSU (power supply), and then got to work! :) I removed all of my compontents, then pulled out a (don't know what it's called: what we use to cleanse our ears with)and a flashlight,(for me it goes with a bluish britght light which is very useful when looking at small components/areas in the computer), and then removed all dust particles ( in the computer cabinet/mainboard/graphic card/RAM, etc.,the all which I could see with my eyes. Then againg checked the cards connectors, cleaned them too, so no fat, dustparticles, etc is covering the connectors to the motherboard ( when I put the cards back on the motherboard). Also it is important to check the pins of RAM, Graphics, (AGP, PCI, ETC ports) for dust, if so, clean it away ( ear cleaner or some small plastic which cannot harm the card).

So everything looks fine, as it allways have, yet I cannot understand why the blackscreen occur, and THEN SUDDENLY, when I look at a deeper level down on the back of the cpu(processor)pins, there up in the corner a pin is bent down. So now I hope the problem is solved, (as a specialist in perfectioness I will begin trying to get the pin standing up again, without hurting/damaging the pin.) Wish me luck guys, and for all of you which do not have their problem solved, I think its time to bring out the flashlight, go further and deeper into the mainbord and other hardware for searching if there is some kind of "bug" ( anything that should not be at that place at that time, should be removed :) ) and then it's time for putting the hardware back together, and remeber folks! Keep your fingers away from the metal connectors at the back/end of your cards when putting them in. Also it is preferred to take a look in the manual of the specific mainboard and such for a deeper understanding of the product and it's way of functioning! And now it is just up to the further luck to get this machine up and running, if not I probably gonna get a new CPU(The Central Processor Unit/processor).

GL all

<3 from smuuD :)