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The power comes on but the screen is black. It

The power comes on but the screen is black. It may come on with the correct screen for about 3 seconds and then go off.

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  • bonnie867 Jun 04, 2009

    No, it's an LG Flatron 17". No help on the LG web site. Don't know what to do.

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  • 73 Answers

Reboot and when you press the power button, repeatably press F8. That will get you into "Safe Mode" if your PC starts, then you have a "booting" problem, not a video problem.

Posted on Jul 24, 2009

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Posted on Jan 02, 2017

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Sharp LC-55LE643U - bottom 3/4 of my LCD TV is shadowed and purplish. How do I fix it?


Try a reset but unfortunately I believe it is a board cratered by the power outage. Try to get things shut down when the power goes

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I switch the power on power light comes on fan starts as if to boot then nothing, no screen and no keyboard lights


Does BIOS messages appear, or is the screen absolutely black?
If you see BIOS messages and then black screen, you should go to BIOS and choose your boot devices correctly. If there is no screen do the following tip:
1) Turn off the laptop.
2) remove the battery.
3) click and hold power button for about 30 seconds to discharge the circuit from motherboard.
4) then install the battery again
5) and click power button.

See what happens. In many cases it helps.
If there is still black screen, you should check your laptops RAM. In many cases removing and then installing back the RAM helps.

Oct 19, 2013 | HEWLETT-PACKARD HP 630/P6200 Notebook

1 Answer

How do you fix your labtop if the log in screen is black.



  • • 1) TAKE OUT YOUR LAPTOP BATTERY
    • 2) REMOVE YOUR AC ADAPTOR CORD, that's the wall power, remove it.
    • 3) NOW HOLD DOWN THE POWER BUTTON FOR 30 SECONDS
  • 2 That will drain any static electricity that has built up on your laptop system board and many times fixes the problem of a black screen. After the 30 seconds re-connect your laptop to the wall power and hit the power button normally and see if the laptop comes back up.

    Replace your battery.
  • Sep 12, 2010 | Computers & Internet

    1 Answer

    Black screen


    • 1) TAKE OUT YOUR LAPTOP BATTERY
    • 2) REMOVE YOUR AC ADAPTOR CORD, that's the wall power, remove it.
    • 3) NOW HOLD DOWN THE POWER BUTTON FOR 30 SECONDS.

    That will drain any static electricity that has built up on your laptop system board and many times fixes the problem of a black screen. After the 30 seconds re-connect your laptop to the wall power and hit the power button normally and see if the laptop comes back up.

    Replace your battery.
    Restart!

    Mar 02, 2010 | Dell UltraSharp 2407WFP 24" LCD Monitor

    1 Answer

    All the connections work the ps3 comes on but then goes black


    You may have messed up the Screen-Settings, to solve this try this.

    Step 1: Turn off the PLAYSTATION 3 by holding the Power button on the front of the unit till the Power light is red.

    Step 2:
    1. Touch and hold the Power button, you will hear the first beep, meaning the PLAYSTATION 3 is powering on.
    2. Continue to hold the Power button and after about 5 seconds, you will hear a second beep, indicating the video reset.
    3. Continue to hold the Power button and after about another 5 seconds you will hear a third beep and the system will power off (Power light is red).

    Step 3:
    1. Touch and hold the Power button, you will hear the first beep, again for the PLAYSTATION 3 to power on.
    2. Continue to hold the Power button and after about 5 seconds, you will hear a second beep for video reset.
    3. Continue to hold the Power button and after about another 5 seconds you will hear a quick double beep. At that point release the Power button. If you succeeded in activating Safe Mode, you will see a message on the screen saying, "Connect the controller using a USB cable and then press the PS button."
    4. Connect a USB cable to the controller and the PLAYSTATION 3 and press the PS button to enter Safe Mode.
    5. Then you will see the Safe Mode menu.

    Step 4
    : We recommending performing the safe mode options in the following order until one of the options works for you. If one of the options work, do not continue onto the other options.
    1. Restore Default Settings
    2. Restore File System
    3. Rebuild Database
    4. Restore PS3 System (This will wipe your harddrive, so remember to backup savegames.)

    Oct 10, 2009 | Sony Playstation 3 (PS3) Console

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    I have an HPW19 wide screen monitor that goes to black.


    I have the same monitor and it is only 3 month's old, the power lock button continues to fail and they have replaced it 3 times with the same issue, What a piece of ****!!!!

    May 26, 2008 | HP w19 19" LCD Monitor

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    My Sony comes on then both sound and picture goes black.


    After being on a little while, the screen goes black (no audio as well) for 20 to 30 seconds. Green light stays on. Then, picture comes back on and takes a couple of seconds to get up to full brightness. About 5 seconds or so after the video comes back, the audio returns.

    Until this morning, has only happened a couple of times a day, now happening more often. About 3 times in last 20 minutes.

    KDF-E55A20 is about 3 years old.

    May 03, 2008 | Sony Grand WEGA KDF-55XS955 55" Rear...

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