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Have power light but blank screen and frozen key board

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  • needcomphelp Dec 15, 2008

    how do i do that

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  • PC Desktops Master
  • 1,250 Answers

Take out the RAM then put it again, also clear the cmos, then check

Posted on Dec 14, 2008

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2 Answers

Blank screen


  • With the computer on, use a flash light to inspect the screen. If you can see a very faint image then either the inverter board is bad or back light. Usually its the inverter.
  • If you get nothing, plug an external monitor and toggle the display to it. If you get output then your screen is bad or possibly a loose video cable.
  • If you get nothing, power off, pull battery pull all memory out. Power on computer. If you get BIOS and a no memory error, one of your memory modules is bad.
  • Still nothing, then the motherboard is bad.

Jan 29, 2013 | Acer Veriton Z290G 185 320GB

1 Answer

Hp touchsmart 520 when i press the power button the blue light come on sound like it turning on but a blank black screen done this from new


Let it power on. If it plays the normal windows music then look very carefully at the screen. You may need a flash light. If you see a faint image then your inverter board or back light have burnt out. It will a small board 1 x 2 inches usually and have a small wire coming from the power supply and one going to the bottom or top of the screen.

Dec 29, 2012 | PC Desktops

1 Answer

I sent i a question yesterday .Still I'm unable to


If the screen shows running in lower power as an error. I think your powersupply isn't supplying enough power to the computer, and probably needs to be replaced.

May 11, 2011 | Gateway PC Desktops

1 Answer

How can i fix my laptop black screen? I can hear it coming on, but no image on the screen.


Instructions Things You'll Need:
  • AC adapter
  1. 1 Check the power source. While you have presumably already attempted to turn your laptop on and off, the problem may lie with your AC power adapter. Is the power-indicator light on the adapter on? If not, your problem may lie here. However, whether or not you have a power indicator light on your adapter, consider unplugging it and plugging it into another outlet. This may turn on your laptop and take care of your blank-screen problem.
  2. 2 Check your brightness settings. While it seems like a simple oversight, the brightness on your laptop may sometimes be turned all the way down. Thus, the screen appears to be black, off or defective, when the problem is simply that the brightness is on its lowest setting. To fix the brightness, check your laptop keyboard. Most laptops have the brightness settings mapped to two keys at the top left of the keyboard, accompanied by a symbol (often a sun). Use these keys to fix your brightness, but keep in mind that some laptops require that you press the Function key at the same time as the Brightness key.
  3. 3 Check the status of your laptop battery itself. There should be a battery indicator on the laptop that is connected to the battery. This indicator is either on the bottom of the laptop or (likely) on the side. If there is no indicator, your battery itself may be the problem, and may require replacing. Keep in mind that older batteries of the nickel-cadmium variety are more likely to decharge over time and forget their initial maximum charge level; this may be a particular issue to users of older laptops.
  4. 4 Find a VGA connector and hook up your laptop to an external monitor if the above steps have not alleviated the blank-screen problem. Turn on the computer and the external monitor. Does the external monitor light up? If so, the blank screen is likely due to a video subset problem/LCD problem in your laptop.

Oct 04, 2010 | PC Desktops

1 Answer

When I presss the power button computer screen stays blank. cannot power processor off.


Something is wrong with the connection wire between your power button and the main board if you pressed the power button on the computer box for a few seconds and still the computer won't turn off. You can open the case and check the connection and replace the wire, or the power button or the main board if necessary. However, you can use the shutdown option of the operating system to turn off your computer too and the reset button might still work besides that issue if you only need to restart while system get frozen.

Jul 01, 2010 | Compaq Presario 5000 PC Desktop

1 Answer

Desktop screen is blank even when the cpu and monitor indicator a


It looks like issue with either mother board or processor.
open the box and remove all memey and power it on. if it makes a beep sound, there is no issue with processor, else we suscpect processor. If it make beep sound, it might be mother board issue. And for checking monitor working condition, remove monitor data cable and see no cable connected messages comes in monitor or not

Oct 13, 2009 | Dell PC Desktops

1 Answer

Moniter Screen Blank when my PC start....Giga byte 8S661FXME-RZ Mother board


try to remove the motherboard from the casing and see it if the have some capacitors or any circuit distroy. use other mother board for testing chek your hardware one by one maybe some of your hardware devices damages.

Jan 01, 2009 | PC Desktops

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