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I have a black screen. There is power I can hear and see the lights. I was replacing some memory when it began.

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  • esbensen Dec 21, 2008

    What does static mean? Can this be fix?

  • Anonymous Apr 20, 2009

    mine does the same thing is it fixable

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  • 86 Answers

Is the hard drive firing up?

You may well have power and lights but a blown system board.

if its running then you should be able to hear the hard drive working as it loads windows.If all is quiet then suspect a board down - maybe static done it as you worked on the memory install - it happens!

Posted on Dec 21, 2008

  • wigglybus Dec 22, 2008

    Static is the small electric shock one can experience when walking over something like a carpet of man-made material (nylon?) and then touching a door handle (earthing the static electricity build up)

    If you don't know what static is youshould not be ventyuring into the depths of your computer!

    if the board is blown then that is it, sorry to say - no fix except a new board.

    Leave it to someone experienced


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If it seems like it booted up all the way except the screen is black try the steps below.

Either the monitor or the video card inside the computer is bad. Borrow a monitor from a neighbor, friend, relative or co-worker and connect it to the computer. If the Borrowed monitor displays ok, then your video card is good, but your original monitor is bad. If the Borrowed monitor does not display then the video card inside the computer is bad.

If it does not seem like it booted up all the way try the steps below:

When you plug in the power cord is there any lights whatsoever on the laptop, where the plug goes in or on the AC Adapter of the power cord?

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Beep tones and blinking lights tells the technicians what is going on with the laptop and why it is not booting. Most times it's a motherboard issue when you hear beeps or blinking lights continuous. Most times the problem is with the memory or Video Card. Count the Blinking Lights or Beeps and take note of their pattern (1 Long or 1 Long followed by 2 Short).

Maybe you have a Static Charge Buildup. Remove the Power Cord, then Press and Hold the power button for 30 seconds. After 30 seconds plug the power cord back in and hit the power button to see if it boots.

Maybe your memory is bad or the memory slot is bad.

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When you press the power button do you hear fans running, hard drive spinning, lights on the computer, hear any beeps or lights constantly blinking, hear the DvD/CD drive click and the light on the drawer of the DvD/CD turn on for a second or two? If so the computer is trying to boot or may have booted, but the screen is not showing for some reason.

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Maybe you have a Static Charge Buildup. Remove the Power Cord, then Press and Hold the power button for 30 seconds. After 30 seconds plug the power cord back in and hit the power button to see if it boots.

Maybe your memory is bad or the memory slot is bad.

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Beep tones and blinking lights tells the technicians what is going on with thelaptop and why it is not booting. Most times it's a motherboard issuewhen you hear beeps or blinking lights continuous. Most times the problemis with the memory or Video Card. Count the Blinking Lights or Beeps and takenote of their pattern (1 Long or 1 Long followed by 2 Short).

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When you plug in the power cord is there any lightswhatsoever on the computer?

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Maybe your power cord is bad if you don't get anything to happen whatsoever when you press the power button.

Maybe you have a Static Charge Buildup. Remove the Power Cord, then Press and Hold the power button for 30seconds. After 30 seconds plug the power cord back in and hit the power button to see if it boots.

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to check the processor : try to exchange the processor with the same type.

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1 Answer

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Good day sir, hi, You need a thorough check on your PC.
But first try testing the Motherboard, Processor and Memory module.

As this point you need a friend, that knows how to tinker with your PC

Or you may need to do this.

1. memory testing:
Try replacing a new memory ram module on your PC, get the modules out of the memory slot, and let it be tested on another PC. if good,

2. power supply
Test for the power supply box, remove the 20/24 pin power connector from the mainboard and short the green and any black wire, your fan should blow out air.

3. Test for motherboard.
remove all coonections from the motherboard, except the 20/24 pin power connector, and the 12v 4-pin molex power connector, connect the pc speaker or the thumb speaker on the speaker port, connect a keyboard, clear the CMOS, (or remove the battery temporarily), connect the header panel (power switch, reset, power led) place the processor and memory (the tested good one). power on.


You should hear a beep (good) The keyboard will light up the three leds, then a few seconds, the numlock led.

If you hear 1 long and 2 or 3 short beeps, problem with the display section. Reseat any graphics card. test again.

If you hear continous beeps, reseat the memory, if the beeping persist, replace your motherboard.

If you hear nothing? only fan blowing, replace your motherboard.

I can only give you instructions, you need a someone who knows how to service a PC.

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Hi,


Do you hear a beeping sound when turning it on? Try connecting an external monitor (Desktop monitor) then press FN+F8 (Dell laptop only) and FN+F4 (HP laptop only). If it works on an external monitor, you may need to contact your computer manufacturer. check the warranty and request for an LCD monitor replacement.

If you hear a beeping sound when turning on your laptop or no power (no light). you may need to reseat the memory (RAM) or check the AC adapter (power adapter).

Let me also know the system model and computer manufacturer.

Keep me posted.

Thanks.

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