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Why does my computer screen go black....have to turn it off and back on several times when starting up a new application........tried changing power settings in control panel, but.............

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1)Try to check the power setting and saver time in power management.
2)Check the resolution settings set as per the monitor/lcd.
3)Try to reinstall the drivers and directx version.

Posted on Sep 16, 2010

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Posted on Jan 02, 2017

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Monitor does not show images when computer is turned on until computer is re started sometimes several times, and/or several keys on keyboard are hit.While screen is black a ticking sound is...


Likely a bad power supply board, and that is almost ALWAYS a bad capacitor on the board. They cost under a dollar to purchase a replacement.

Before you fire the computer up next, try running your hair-dryer (yes, your hair-dryer!) and blowing hot air into the innards of the monitor.

If it starts then with no problem, you have "aced" what it needs for a proper repair: a new capacitor on the power supply board, and you can Google for the parts and the instructions.

Mar 07, 2015 | Computers & Internet

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My screen keeps going black, how do I correct it?


I'm guessing your power options are set very low. One minute is the least you can set, but it may seem less. Try going to Control panel, Power Options and click on "Change when the computer sleeps" and select a time of several minutes for "Turn Off The Display" and see if that helps.

Good luck.

Feb 25, 2015 | Lenovo Computers & Internet

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Black screen probook


Change the power settings from the control panel. Its in advanced power management.

Oct 01, 2013 | Computers & Internet

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Sudden black screen during use, won't power down, won't power up sometimes.


If you haven't installed or not aware of any application installed recently on your laptop then--
your OS has been loaded with lots of unwanted or overloaded stuff;
1) First try to clean all junk files
2) Clean Cache
3) Free Up some space from your OS drive (most system it is C:\)
4) Uninstall unwanted programs
5) look into task-manager for his program usage
6) Check your Antivirus software

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If i leave computer on without anyone using it . computer goes to black/dark screen , can't perform any functions. also computer crashes at times during use.


You need to check your power settings. It is being set to go to turn of the drivers after a certain amount of time.

Control Panel\Hardware and Sound\Power Options Then change the power options so it does not shut off the hard drive.

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Just bought a new LG Axis smart phone today and after loading some applications from the application market on the phone, whenever I went to view an application I kept getting an error message that the...


A Hard Reset might help. it will bring lost file/folders back.
Also to turn on phone in safe mode, but not if cannot get passed initial Android screen.

Pull Battery to power off phone.

Hold Up Volume button, and power on button simultaneously until green android guy and DOS window open.
If Home key is solid button, then also hold
up vollume button, home button, power button.

use volume up and down to scroll.
Scroll down to Reset Manufacure Settings.
Use power button to select OKay.
Then select reboot system.

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2 Answers

Screen stays either black or white


Replace the entire DAC board (board with power suplly going into it) for easiest solution.

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Cannot start Sony VAIO PCG-5J2L /Goes to black screen only


During start-up the computer will go to a black screen for awhile and then the pointer arrow will show alone, and then the system will come up.

If you think it's a hibernation problem, pull the ac plug and battery out for about 1 hour and then plug back in.

If this didn't work, then try the F8 Key and choose "Last Know Good Configuration".

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1 Answer

Power Problem


The hissing noise on your speakers is because of arcing. Do not try to operate repeatedly or you may do severe damage. The most likely culprit is the inverter board but you will have to disassemble the monitor to find out. Any loose connection that results in an arc will create noise on speakers. Hissing is usually a result of the high frequency/ voltage output small enough amperage to not blow your power supply If it were a DC arc you would just get a one time pop.

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Problems with intel D850GB motherboard


There's nothing obvious here, so you need to start with the basics.
Look in Control Panel/Admin Tools/System and Application to see if any errors suggest a fix.
Be sure the old (New) graphics driver was removed.
Clean out any dust.
Remove all components and replace them one at a time carefully making sure you get a good connection each time.
Power up the board as you replace each item to see if you can isolate the error.

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