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No image no message in my monitor and keyboard also not working. Not even post message

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  • n7gtb Feb 01, 2009

    A friend brought her Gateway (GM5472) computer over with a very similar problem(?). No blue light on the front when powered on, but I can hear/feel the hard disk spin up...the cooling fans also spin up. Nothing on the monitor, no beep, no flash of led's on the keyboard and if I hold the power button to turn it off, there is no change... If you unplug the tower for any period and then plug it in again, there's a small spark like something is pulling a large current...(?)

  • n7gtb Feb 02, 2009

    Since it belongs to a friend, I don't know the exact behavior when it failed. Her (ex) room mate was alone while using it at the time and isn't offering much useful info... I Didn't notice any smoke or burn marks... Everything looks normal inside the tower, but didn't open up the power supply case. I did us a DVM to measure the voltages at the connectors (didn't unplug anything), and they all look pretty close (The +- 12 volts was just below 12 ...ie - +-11.7 to +-11.9) . This was with monitor, keyboard, etc all plugged in and running... Not too many repair shops in my area, but will make some calls tomorrow... Thanks for the assistance!

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Problems like this are usually best as a hands-on troubleshoot - I would have at a guess it's your power supply. Did you notice any smells or hot points on top of your computer as this happened?
If you got a power spike, there's also a good chance the processor (CPU) or mobo power regulator is had it.
Power supplies (PSU) can be troublesome to test and I would suggest you take the PSU to a reputable repairer who would be able to plug in a tester and tell you in an instant if it's ok or not.
Let's start with that and go from there - anything else you can enlighten us with about the fault or your findings?

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Posted on Feb 02, 2009

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All the lights come on when I switch on my HP Pavillion dv9600 but the screen is blank.


DO THIS FIRST - Perform a hard reset If a PC suddenly fails to boot properly, you should perform a hard reset as the first procedure.
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  2. Disconnect the AC power adapter, remove the battery, and then press and hold the power button for at least 15 seconds .
  3. Reconnect the AC power adapter (but do not connect the battery), Press the Power button, Look for glowing LEDs near caps lock and num lock keys, and Listen for sounds of a disk drive and fan turning.
Actions to take after performing hard reset If no error message is displayed:

If a text error message is displayed, see Troubleshooting Error Messages on a Black Screen During Startup or Boot c02076104.jpg

Black Screen with No Error Messages Connect an external monitor c02076105.gif If there is a problem with the LCD display's back light or a corrupted graphics driver, the display may appear blank but the notebook may be displaying information. Attach an external monitor to test the display. If the image displays on the external monitor, there may be a graphics driver conflict. To resolve this, turn on the computer and press f8 key, then select Enable low-resolution video . If the image displays on the LCD display in low resolution, you can download and install the latest drivers for your specific graphics driver. If there is an image on the external monitor but the notebook display remains black, contact HP for technical assistance. Disconnect all peripherals and repeat the hard reset Even though users are instructed to disconnect all peripheral devices from the notebook when doing a hard reset , some devices are often overlooked. c02069237.gif Double-check that all devices are disconnected including: external keyboard and mouse (wired or wireless), USB connected external drives and devices, thumb drives and flash drives, network storage devices, PC card, SD memory cards, express card, eSata connections, firewire or similar devices, printer, scanner, camera, port replicator, or docking station, any CD/DVD from the optical disc drive, and any media from the multi-card reader.B
b52compters@gmail.com
B52computers
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Just how did you check the video card if you get no image on the screen?
Try another monitor with your computer. If you still get no image, then it's your video card or another component.
If your computer will not pass the POST (power on self test) then you will not get any video output.
Culprits can be the hard drive, the CD, the memory, the motherboard, or the CPU. I would disconnect everything but the CPU, memory, and video and try to start it to narrow the problem. But first, try another monitor.
I've even seen a bad power supply that seems to work keep the video from working.

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My computer is not working shows keyboard erro and stop


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When you monitor saying which is no signal this is a monitor port problem. Check your monitor connector if it is properly connceted to the motherboard. That is the only way of monitor saying no signal.

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I have the same problem


Dear! If monitor showes power but not showes display its means that monitor requires heat and it very better if you can give sun-rays. I assure your monitor will work if you do that for 4 hours. Check your monitor sepreatly with another system or computer if it works that means your VGA card not supported so you should change your VGA card but first check your monitor.
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Pc Seems to be dead wont load bios post moust doesnt work or keyboard or monitor


I have the same problem, the CPU fan spins, keyboard lights blink, no start up screen, or bios.
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Can this one be a temporally solution for you too? Do you have any suggestion about?
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Monitor shut off, no BIOS post, no keyboard or mouse lights, will not boot


The best thing to do in this situation is to build your machine outside of the case, using the minimum amount of hardware,
Remove the motherboard and using only one stick of ram, the monitor, keyboard and mouse. short the power switch connector on the motherboard with a screw driver for a fraction of a second just to power it on.
If it starts up and gives you a "no boot disk" or "no Operating System found" at least you will know it's working and you can slowly connect everything else one by one to see whats preventing it from booting.
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Monitor shut off, no BIOS post, no keyboard or mouse lights, will not boot


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Remove all memory except 1 DIMM. Double check all data cables (internally) & power cables. Remove the added video card. Try booting the system. Watch for the case LEDs to flash/blink, listen for hard drive spin up /cd-rom spin up. Lastly pull the battery & check with a volt meter. Bios battery should test no less than 3 volts. Post the correct MD rev.

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