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M5gen
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How to resolve black screen

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So my computer froze and I decided to manually shut it off. When I turned it back on the screen went black. What can be the probably cause and what kind of hardware would I need to replace?

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itsmyname
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What can be the probably cause and what kind of hardware would I need to replace?

 

The probable causes are either a software "glitch" or a hardware problem.

 

Since it does not reboot, I would rule-out a software glitch.

 

So, your computer's main components that could cause a "black-screen" are:

  1. power supply
  2. motherboard
  3. processor
  4. on/off button

Most probably, the video-screen, the RAM, the disk-drive and the CD/DVD device are OK. If you have a similar computer, you can remove these components and temporarily use them on that computer, to verify that they are OK.

 

Disconnect the power-cord from the computer. Remove one side panel. Press the on/off button. While watching the various fans inside the case, reconnect the power-cord. Do the fans "twitch"? Does any lamp on the motherboard light up? Press the on/off button. Do the fans start to spin? Is anything displayed on the video-screen, or does it stay "black" ?

 

Trying to replace the processor and/or the motherboard will be quite expensive. I recommend that you take your computer to a certified computer technician, rather than trying to do this by yourself.

 

 

 

 

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