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The screen on my computer is really dark; it's like the screen has disconected from the computer. I can only just make out the items on screen.I've tried to change the brightness and contrast setting but that hasn't worked and I've restarted my computer quite a few times. This happened last night when I was internet browsing and I didn't change any computer properties priot to this having happened.

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I think the main problem is your monitor for over usage and overheated. try to change monitor and see if thats the real problem.

thank you for using fixya

Posted on Nov 23, 2008

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Posted on Jan 02, 2017

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on Jan 11, 2010 | Computers & Internet

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What is the second hdmi port surrounded in orange on the back of my gateway dx4320-17 do? it doesnt work when connected to my monitor so is it an hdmi input? and would i be able to connect my ps3 to it and...

I presume by second HDMI that you've got an additional Video Card in one of the expension slots (Item 10 at the link below) with another HDMI output

The HDMI surrounded by orange is an ouput but if you've got and additional Video Card then this build in HDMI would normally be deactivated.

Sometimes the problem relates to the screen resolution you've got your computer set to as this needs to match your Monitors HDMI Input i.e.1280x720 or 1920x1080 as detailed at the link below.

Jul 26, 2011 | Gateway DX4300-03 Desktop PC

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My brothers computer when it turns on goes through all the normal things and when it gets to the log in screen and he enters his password it logs in goes dark and alls that shows up is the mouse how do i...

Include what type and model of computer and what operating system you are running.

Try using another user account to log in if you have one.
That way if there is a program starting up (like spyware) associated with just his account the other accounts may still work and allow you access to the computer to fix the problem.

Also try safe mode if this is a Windows computer.

You can also go to Start
There is much more detail we can go into but you didn't give any details about your computer, what is it? what operating system? what was the last thing he did, or downloaded before the problem started?

A bad hard drive with a few corrupt spots on it can also cause this. There are detailed tests for hard drives that can show if the drive has an issue. If the drive is really bad you will need a boot CD to run the tests from. Such as UBCD-Win, and there are also some tests on a regular Windows repair /install CD as well.

Disk drive manufacturers such as Seagate and Western Digital also have drive diagnostics you can download for free.

Nov 28, 2010 | Computers & Internet

1 Answer

My dell inspiron 546's monitor has gone dark the screen is still visable but really dark how do i make it bright again i already tried the brightness and contrast on monitor

It might be that the CFL lighting tubes on your monitor have failed, in which case they need to be replaced. Borrow a screen to try on your computer to test if it is in actual fact the your screen that is faulty. This is normally fixed by a computer technician! If it is under warranty return it!


Nov 27, 2010 | Dell Inspiron 546 MT Desktop Computer

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My moms acer computer moniter has a really dark screen its hard to see anything

Assuming this is a flat panel style monitor it sounds like the backlight has gone out. You could have it repaired but buying a new one is probably more economical.

Oct 28, 2010 | Computers & Internet

1 Answer

The LCD does goes dark after power on

you mean few second the monitor goes in black. then its come. if it happen, it is ok

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I turned on the computer, it boots up, but the screen is very dark you can't really see everything clearly. Not even the mouse movement.

make sure that theres no loose connection between the monitor and video card at the back of the cpu..then try to boot again the pc..if problem dsnt solved, remove the video card if its pci,try to clean the pins using pencil eraser. then put it back and restart the pc.

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1 Answer


This item is part of the Monitor control systeHas the monitor got manual controls usually on the edge or a software box on the computer Switch the Monitor off then on. See what happens

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