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Monitor Gets No Signal / Computer Won't Boot

frustrated, on Nov 6, 2008 3:00:11 am GMT

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Hey guys, I've got a problem with my monitor/display and I hope it's not a sign of the mobo going bad. My computer all of a sudden decided to freeze up, and upon restart, the monitor won't get a signal, the light stays yellow. All the other components appear to be running fine, all fans spin, and the HDD appears to be running, there's just no display going to the monitor. I've tried two monitors on it and two different vid cards, I've unplugged and rearranged the RAM, and still nothing. Also, for some reason, when it starts up, the DVD drive keeps acting like it wants to spin, and just keeps clicking away. I'm completely stumped, and hopefully this isn't a sign of the mobo going bad. Any help would be great appreciated!

Configuration: Windows XP
Internet Explorer 6.0
Intel Pentium 4
ASUS P5RD1-V Mobo
4 SATA HDDs
Powercolor ATI X800 vid card

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xpcman, on Nov 6, 2008 3:07:07 am GMT

It does sound like a major problem.
Unplug the DVD drive and see if it will boot. you might get lucky.

same_problem, on Nov 30, 2008 10:52:40 pm GMT

I have the same problem right now.

I think it's the mobo.

I went and bought a new PCI Express card today and it did not help.

Hopefully, I can take it back.

sniper, on Jan 10, 2009 10:02:02 pm GMT

I've got the same problem everything turns on but no signal to the monitor. my brother says it might be my mother board gone bad. can anyone confer with what he says? and whats the mobo

netnerd, on Jan 19, 2009 1:42:24 am GMT

The mobo in question is aslo known as a motherboard

sschriver, on Apr 29, 2009 4:35:02 pm BST

Hi,

I had this problem with my daughter's computer last year and mine just a week ago. I read all over the internet that if you take the ram out and your computer doesn't beep, the mobo is bad. Since neither of ours beeped, I assumed the mobo was bad. I put my daughter's computer out in the garage to eventually find a recycling place to take it.

With mine, I had taken all the ram out, and didn't get the beeps, but I happened to have a new stick of ram unopened on my desk, intended for a different computer. I didn't think it would work at all, but I put it in, and it worked. All I needed was new ram.

I pulled my daughter's computer out and tried the ram in it, and it worked as well.

Moral of the story: Don't rely on beeps.

Both our computers had the same symptoms of powering up, the hard drive whirring, the fans blowing, but nothing on the screen and the processor got hotter and hotter the longer I left it on. Maybe the processor appreciates ram.

120

SHIPRA MITRA, on Oct 15, 2009 5:24:50 am BST

My pc monitor is aoc (Crt Monitor). monitor is not display anything. when power is on then it is blinking. cpu is normally on. please tell me the solve.Is it motherboard problem or monitor problem.

121

help, on Oct 16, 2009 7:37:32 pm BST

Replace the monitor and see if u get the signal...if u get display with another monitor then motherboard is ok.

robnob, on Apr 6, 2009 10:04:34 pm BST

I have had the same problem with my pc, mine will boot as long as i remove most usb devices,hdd + dvdrw,mouse and keyboardd work fine,can anyone help please, do i need a new dvdrw or is it my mobo. hope this helps.

Kareem, on Apr 6, 2009 10:30:52 pm BST

I had tat problem back in the day. but the problem is tat you have updated your cd drive there for your video card is crashing with the driver and there for u need a cable tat goes from you cd drive to a black slot on the outer edge of your video card i am assuming tat your video card isnt the built in one to the mother board but added on one

Reb, on Jul 15, 2009 7:55:32 pm BST

+49

Hello,

My monitor says ''NO SIGNAL'' and then, it goes to the "power save mode". I tried to plug everything again and it's still not working.
I'm desperate. I've tried everything. Please help me!

fatawu, on Jul 30, 2009 6:59:51 pm BST

My power pack works but my winfast motherboard doesn't. Nothing works at all. It has amd sempron 28000 processor.
I have removed all peripherals in order to locate the fault yet no news. Help me revive my dead board.

TrDe, on Aug 14, 2009 7:47:54 am BST

1. Have you look at the other side of the mobo for moisture deposites or some syllicate link broken or scratch in the nortbridge / cpu area ?

2. Remove all pci slots except graphic card and give it a try...

3. Grab something small and thin and start tapping arround cooling fan (not on motherboard area !!!)

4. Maybe it is the problem in power supply of mobo :

Get the screwer and release a bit screw holding down mobo , one at a time and stay tuned if the monitor / POST screen turns on (the mobo might be tighten to hard)

5. If you have some other ram beside yours take it and replace that in your computer and see if this will work

6. CPU maybe gone or adjusted wrong in his standings (check also little syllicate pins of cpu at the backside - if any of them is screwed or damaged buy a new one)

Hailey, on Aug 7, 2009 8:57:10 pm BST

My monitor keeps saying NO SIGNAL on it. I have tried everything, from taking the computer apart and back together. I also have read all over the internet and somebody typed "take the power card out and back in"

WHERE IS THE STINKIN POWER CARD??????????

I am desperate and can't live without a computer!!!

HELP ME!!!!!!

from- Desperate Hailey

101

KASHIF QAMAR, on Aug 23, 2009 3:50:02 am BST

SIR.
WHEN I PUT ON MY PC I HEAR A SOUND FROM MOTHERBOARD JUST LIKE BEEP BEEP CONSTANTLY AND MY MONITOR SAYS NO SIGNAL AND I HAVE DONE AVERY POSSIBILITIES BUT NOTHING PLS HELP ME

110

NipTuker, on Sep 8, 2009 8:41:41 pm BST

What brand MoBo do you have? Sounds like a video card failure.

Hailey, on Aug 7, 2009 8:57:10 pm BST

109

arthur, on Sep 8, 2009 1:09:46 pm BST

+11

My monitor is showing no signal even though the plug is properly fixed from cpu to it. what do i do .help

122

robin, on Oct 20, 2009 9:16:38 pm BST

Hello,

My monitor says ''NO SIGNAL'' and then, it goes to the "power save mode". neither the keyboard and the mouse has power to them. I tried to plug everything again and it's still not working.
I'm desperate. I've tried everything. Please help me!

108

satish, on Sep 7, 2009 3:53:47 pm BST

Please check the cmos battry is it charged or discharged.

matt, on Jan 12, 2009 12:24:43 pm GMT

Mine is doing exactly the same. Everything spinning but only thing that i can see is the CD rom light flashing. It has gone in to repair so will soon find out.

Felix, on Jan 26, 2009 1:27:55 am GMT

Did you ever find out what was wrong with it when you went to repair?? Same thing happened to mine tonight. I got a "usb controller has exceeded bandwidth" which froze the computer. I then did a manual restart (pushing power button) and then comp won't post anymore, fans going, cd drive working, everything humming, but nothing on video. It almost sounds like it is caught in a loop by the whirring noises it makes. Tried doing the reset cmos jumpers, didn't work.

bhupi, on Aug 13, 2009 4:06:33 pm BST

Mine is doing exactly the same. Everything spinning but only thing that i can see is the CD rom light flashing. It has gone in to repair so will soon find out

sammie, on Jan 15, 2009 9:15:52 am GMT

I am having the same problem right now,my computers comes on and the fan HDD,seem to work fine but doesn't come up on my monitor.Initial it comes up,detects the HDD and attempts to load Operating system then it reboots,but now it shows nothing on my monitor,i only hear the Beep sound at the end of the boot sequence at intervals showing it still restarting.

Some one really need to help me before i go nuttttt

DJ AKSHAY, on Jan 15, 2009 4:42:45 pm GMT

See my explanation on how to troubleshoot the problem on the following thread :

http://en.kioskea.net/forum/affich 27227 computer powers on but does not boot?#13

butthhole, on Jan 26, 2009 9:12:24 am GMT

Yay this helped a whle lot dont put Cd in ya dvd drive put it in the original drive where ya normally play cds , my drive that was with comp had problems opening so ive always used my dvd drive hahah yay main disj drive makes it work TO BOOT FROM CD

sss, on Feb 18, 2009 10:41:55 pm GMT

I believe it is because the video card changed resolution. I had two displays, working removed one still working. Moved the computer and now no display works. I tried repair and getting into safe mode on Xp with no luck it goes straight to windows Xp and obtain a black screen instead of my desktop. The lcd monitor says no digital signal and turns off. I played with bios, tried clearing the cmos no luck. Is it time to move on? or look for and old school monitor? Also read online about not using a usb keyboard, but don't see how that helps, but will try.

strait, on Mar 3, 2009 9:53:32 pm GMT

Same thing happened to me
i was checking my email and suddenly my computer screen gos blank
and when i try to turn it on it wont start up
after waiting for 10 minurwes it works again
this happened to me a **** load of times along with random bsod messages
i ran a virus scan but noting came up
so is it the motherboard thats messed up or what

blackmetalman, on Apr 29, 2009 11:28:37 pm BST

Sounds like your pc is getting really hot, might need a new cleaning or a good fan.

xpcman, on Mar 3, 2009 10:16:03 pm GMT

You should start a new thread.

The first thing to rule out is overheating (CPU, motherboard, hard drive or power supply)
then I would check for bad memory (if you have two modules - swap them out for testing)
then I would test with another power supply
only after I have checked ALL of these would I think it was the Motherboard.

Good Luck

Morpheys, on Mar 10, 2009 4:11:34 pm GMT

Plz Help ! I got an irq conflict blue screen error and while the pc was dumping info to memory it got stuck at 5%.Then i restarted the pc and the monitor wouldnt turn on.I also noticed that the HD 's wont boot or seem to work.Fans worked and lights were on but that was all.Also the turn off button wouldn't respond.I had no way to test the power supply and i ordered a tester and another psu.I took all parts out and left 1 HD and the mobo and still no luck.No signal to TV and no BOOT.I checked the mobo it doesnt look < BURNED > . My system
Intel Core 2 Duo E8600
Gigabyte GA-73PVM-S2

If i still have the same problem while trying a new PSU how could i test the mobo with what ? To check if it's < BURNED > ? Thx

edwin, on Mar 13, 2009 10:00:53 am GMT

Hi,ihad that prablem my screen show blue and says Error and says you have toclean some memory but I toke my coputer to fix thay told me you have tochange hard driv and no way to fix.

Kareem, on Mar 27, 2009 5:50:42 pm GMT

+103

I KNOW THE SOLUTION

REMOVE YOUR POWER CORD AND HOLD THE ON BUTTON FOR LIKE 30second TO A MINUTE AND THEN CONNECT IT BACK AND TURN IT ON

<3, on Apr 12, 2009 7:30:08 pm BST

I LOVE YOU MAN!!!!!!! SAVED MY LIFE!!!!! <3<3<3<3<3<3

akeno, on Jul 6, 2009 3:44:24 am BST

You are THE MAN, thanks!

lylie123, on Jul 11, 2009 9:17:54 pm BST

GREAT....million thanks
that is clearly not written in the users manual!!!
but do you know what is the cause and origin of the pb????
should I worry about geetin a new PC???

Bilbo, on Jul 16, 2009 9:46:38 am BST

Hi - was that the power cord on the monitor ? or the pc unit ? - cheers

orange <3, on Jul 20, 2009 2:39:31 am BST

Hey I was Wonderin because I am really worried so I restarted My computer it was go`n really slow next thing You know it says "No Monitor Signal " then it says computer go`n to sleep the Monitor Makes No Noice as usual and all I see is the blinking Light =( Can You please Help Me

I Have the Disc to Restart My p.c to delete all my files to clean but I put it in and nothing Happends how can I make it work im terrified

krrish, on Jul 24, 2009 7:21:02 pm BST

I upgraded my ram speed after that computer stopped displaying though CPU fan is working

Atchzien, on Jul 27, 2009 5:40:37 am BST

Check posts #49 and #50, your problem sounds exacly like mine, and my solution worked 100% for me. cannot gurantee your problem is the same as mine was, but its worth reading.

rstuio, on Jul 21, 2009 9:24:08 pm BST

Kareem

i have a xerox monitor and it wont work
and my finger is getting sore!

Thankful Man, on Jul 30, 2009 3:53:36 am BST

Holy cow, totally random way to fix it but worked :D you're amazing!

jb, on Aug 4, 2009 5:29:07 am BST

I will plugged the power cord,
after several seconds i will unplugged it
hold on the power button for 30 seconds
plugged again the power cord
and then release the button??

100

DianeYFAH, on Aug 22, 2009 2:31:39 am BST

I found this thread while Googling keyword for my problem. I saw Kareem's solution and, frankly, had little confidence it would work. But it did work! I just wanted to say thanks a million!

117

vicktour, on Oct 5, 2009 9:11:07 am BST

I've got the same problem, kareem ur suggestion didnt work. explain more, which of the power cords are u talking about. is it the monitor's or the cpu's?

Highway72, on Apr 3, 2009 9:36:43 pm BST

Ello,

My spare PC has also come down to this blank boot screen nonsense after a freak freeze that required a reboot, I've stripped the PC down and cleaned all parts and tried the erazer trick on the gold strips on ram and gpu card to no avail. At this time all the devices appear to power up, the fans all spin up and stay on, mobo LED is green, video card led powered, and soft reset and hard power buttons respond as normal. All I get is constant "No signal" message on both monitors I've tried, and no post or signs of it booting. In addition there no error beeps without ram in, it only beeps when GPU is unpowered. So whats the most likely solution? new PSU ?

Specs:

DDR1 pc3200 (4x1024mb)
P4 Prescott 3ghz
Zalaman Flower CPU cooler (Regreased when cleaned)
Asus P4c800 Deluxe mobo
Asus 6800 AGPx8
500W PSU
SATA1 HD
DVDRW IDE

Unfortunately I no longer have spare components for this to test with.

Kareem, on Apr 3, 2009 9:54:27 pm BST

You can always try my soulution removing the power cord and all components and hold the power button down while the power cord is still removed then attach only the power cord and mouse keyboard and one monitor and power it back on

get back at me if this soulution does not work.

technut1054, on Apr 7, 2009 2:37:18 am BST

Thanks, I had the No Signal problem (blank screen). I tried unplugging my PC and hitting the start button. I saw the CPU light extinguish after about 5 seconds. I plugged the power cord back and and the PC rebooted into BIOS. Thanks, it worked for me.

jtz91, on Jul 2, 2009 9:30:43 pm BST

Did u unplug the whole pc becuz i have the same problem and my monitor is a gateway

NEEDhelpAlot, on Jul 5, 2009 11:26:31 am BST

Hi man im getting desperate i have the exact same problem and i have tried resetting bios with the battery thing ,removing the ram, unplugging the unnecesary stuf ,taking the cpu owt and taking the gfx card owt and to no avail it still wont work...... when i power up all fans spin but the gfx card soes something weird.. the fan keeps reving up and then dow and up and down BUT when i removed the ram to test that other theory the gfx card's fan kept at a normal speed constantly, everything seems to work but still a black screen i have a brand new lcd that says "check siginal cable" but everything is plugd in when i removed the hdd and started no beep, removed the ram no beep this is the second time this year this has hapend and the pc is only 7 months old the first time i sent it in to the place where i bought it and they said the mobo pci-e slot is faulty and the gave me a brand new mobo now today a month later the problem is back with a vengence and i am really fed up plz any help or hints would be grately appreciated

specs:
PROC-AMD 6000+~3.1Ghz
MOBO-ASUS M2N68
RAM-2X 1GB INFINITY DDRII
PSU-COOLERMASTER 550W
GFX- nVidia MSI 9800GTX+ PLUS OC
HDD-SEAGATE 160GB

warnockdavid, on Jul 12, 2009 8:53:10 pm BST

Email: warnockdavid@windstream.net

I tried your solution and it worked like magic. It put me into the CMOS. After exiting the CMOS it's doing the same thing and the unplug/on button solution won't work.

ANY OTHER IDEAS?

tHANKS,
dAVID

protonman88, on Jul 22, 2009 9:55:40 pm BST

Hi Kareem

I tried what you mentioned, but it still does not work

Do you have any other solutions that I could try out?

(I have the same problem - everything inside the computer is running, but no response/signal to the monitor).

Any help would be greatly appreciated.

Thanks in advance

leech, on Aug 10, 2009 3:39:32 am BST

Ive tried the unplugged thing it works but then when i change the HD it has no signal again ive tried the 30 seconds to 1 min and it dosent work again please help thanks you the best

rhm, on Jul 5, 2009 6:52:44 am BST

Dear Mr. Highway72

Power on computer & press F8 to start computer with safe mode. Go to display settings and change screen resolution to minimum. Now restart computer you are done!!!

Highway72, on Apr 3, 2009 9:56:50 pm BST

Will test that theory in the morning, cheers

Ace, on Apr 4, 2009 6:44:50 am BST

I'm in that territory right now, too.

Yesterday set up new video drivers and had a COH 4 session (couldn't run due to DirectX failure before) that must have been pretty intensive on the rig, but no smoke, stench etc! Had some problems months before, though.

Now, this morning can't get to run the PC. Well, theoretically, there are NO beeps and I can hear the sound of Vista starting up - but DAMN, there is 'no signal' on the monitor, and that's it. Had to go to work early enough, and that makes me double uneasy, being unable to do anything about it now. Guess HD must be OK, monitor OK, MB - mostly OK, if not for all functions. Could it really be that I've fried the video?

Highway72, on Apr 6, 2009 1:22:43 pm BST

Nope the power on button trick didnt change anything :( cant even get the speaker to report a error beep, and this is 3rd PC i've seen this week with same issue

dman, on Apr 11, 2009 3:27:55 am BST

I am dealing with that right now i tried 3 monitors, same thing no signal, so i threw in a different processor and it works just fine. good luck guys

rik3267, on Apr 12, 2009 2:07:54 am BST

I am experiencing the same problem. I changed hard drives about two weeks ago and cleaned the inside. There is no signal but all fans lights and drives are working. I was considering changing the cpu. Did you experience the same problem before getting a new cpu?

Mr. Bishop, on Apr 12, 2009 2:39:21 am BST

Did u try my method

Mr. Bishop, on Apr 12, 2009 7:42:01 pm BST

Your welcome

BlueFox, on Apr 17, 2009 7:52:49 am BST

Ok im having the same problem the other day i decided to remove my AMD sempron 2200+ CPU and try a AMD anthlon, it ddnt work so i switched back to my old one (yes i did replace the thermal paste correcty) and then i ddnt get anything when i powered it up no beep, monitor signal, anything. so i tried holding the button for 2 minutes, nothing. i pulled the CMOS jumper/battery, nothing. i cleaned off the graphics cards golden spokes(radeon 9200 128mb), nothing. i cleaned off the RAMS golden spokes, nothing. i unplugged EVERYTHING then reconnnected it all, nothing. did my motherboard go bad?

AMD Sempron 2200+
Radeon 9200 128mb graphic card
1gb DDR1 Ram (2x 512mb)
CD/RW lite drive
Basic CD Lite Drive
2 hard drives (1 75gb 1 40gb)
ASUS mobo (dont kno what model type)

Mr. Bishop, on Apr 17, 2009 8:06:08 pm BST

Did you remove the power cord before holding the button and wat kinda pc is it dell hp compaq which one

bluefox, on Apr 17, 2009 10:55:51 pm BST

I did remove the power cord when i did it, and the brand name is not labeled i just kno that its
AMD Sempron 2200+
ASUS (dont kno what model) mobo

bluefox, on Apr 17, 2009 11:02:51 pm BST

Im not gonna bother doing that because ive tried my AMD duron and a diffrent AMD Athlon and neither of them worked

Guayaco36, on Apr 20, 2009 2:44:16 pm BST

I really need help with my problem:

I have my new Intel i7 920 with ASUS P6T V2 Deluxe, ATI HD 4830, I installed Windows Vista 64bit and I have it connected to my Samsung 46" LCD LNA850.....it works great unfortunately is acting a little weird. The only way I get it to turn it on is to unplug the power cord from the back and plugged it back in.....if I leave the power cord connected to the power supply my screen will not get signal.....but when I unplug it from the back of the PSU and then plug it back in it works! So weird......I tested my electricity and it is grounded so that's not the problem. What can be causing the problem...? I have it connected with my HDMI cable but I also have tried VGA and it doesn't help. I have tried a regular 19" LCD and it still gives me the same problem....Anyone out there please help......

Note: I switched my Video cards and same problem.....why why!!! The only way for me to use my computer is to manually disconnect the PSU power cord from the back.....I really need someone's wisdom....

K2B, on Jul 22, 2009 3:41:50 pm BST

Hej, ive seen the same problem on my brothers pc.. check if the button cables (off/on button and reset button) and speaker cable are connected in the right way to the mobo.

122 answers 12 3 Next