Question about Samsung SyncMaster 540N 15" LCD Monitor

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Monitor problem when i plug power cable of my monitor it's screen become white. on/off switch is not working. please let me know the probem

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Try to reset to factory defaults

Posted on Feb 13, 2008

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On gateway w350i computer works HDMI works but LCD comes on but is only white screen please help


1. Verify the monitor's power cord is plugged firmly into the wall outlet and the back of the monitor.
2. Verify the monitor cable is firmly connected to the computer and the monitor.
3. Verify that you have turned the monitor power switch on.
4. If the power light on the monitor is not on, test the wall outlet (plug in a light or something you know works).
5. If the power light on the monitor is not on, try a different power cord.
6. If the power light is on and yellow or flashing, but nothing displays, or the display is incorrect, borrow a monitor from a friend. If that works, your monitor probably needs replaced.
7. Also, you could try your display on a friend's computer. If it doesn't work, your monitor probably needs replaced. If it works properly on your friends computer, the problem may be with your computers video output port, motherboard video chip (or video card, if you have one), or drivers.

May 24, 2014 | Computers & Internet

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My hp 1502 lcd monitor only shows a white screen


If you don't use an identical monitors, then they may not work if your video card can not handle them. The "check video cable" it means the monitor does not get a signal, and it does not mean that the monitor is a problematic monitor. You can test this monitor as a single monitor (and try to connect it using first video port, and then move it to the second video port).

Mar 05, 2014 | HP 1502 LCD Monitor

1 Answer

Toshiba laptop pas409e-d screen is black


Step 1:
WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. http://www.kitchentablecomputers.com/static.php - rules Only work inside the computer case when the power has been switched off and disconnected. Never open the power source. Some of the below steps recommend removing physical parts within the computer. While in the computer it is highly recommend that you be aware of ESD and its potential hazards Causes a Computer Monitor to Go Blank b> While a blank screen may be caused by a general power outage, more often it's a problem with the screen itself. It could be a loose video or power cable going to the monitor. If that's the case, you can get the screen working again and be back in business in a few minutes. b> Power Problems All the power might be off due to a bad outlet, switch, fuse, or circuit breaker. If you hear no sound coming from the computer and its power light is off, check the power connection and breaker or fuse. Video Cable Many times the cause of monitor blackouts is a loose video cable connection. This might happen if you move the monitor or the cable. The video cable runs from the back of the computer to the monitor. It has a multi-pin connector on each end and both of them screw down securely. If the screws aren't tight, either connector could become loose. If that happens, the video signal could stop suddenly and make the picture go blank. Check both ends of the connector to make sure they're firmly seated and the screws are tight. The cable itself might be bad.This is unlikely, but possible. b> Display Power The monitor must have power. If the power light isn't lit on the monitor, it may have been turned off or become unplugged. Press the power button to make sure it wasn't accidentally turned off. Make sure the monitor is plugged in. If it's connected to a power strip, check that the power strip is on. If that checks out, unplug the monitor and try a different outlet. Power strip sockets can sometimes fail. Flat-screen monitors may have a power-brick-style adapter. It, too, has connectors. Follow the power cable from the monitor's power plug back to the monitor. About halfway up you'll find a thick rectangular plastic brick. The power goes into a modular-style equipment socket. This can become loose. Follow the wire the rest of the way to the monitor. It connects to the back of the screen with a small round plug. Check that it's firmly plugged in. If everything's plugged in right and the power light on the monitor's still off, the power brick might be bad. b> Video Card Some computers have a separate video card inside. It may come loose and cause a blank screen. If this is the case, open the computer and inspect the video card. Sometimes removing and reseating the card will fix the problem. If it has to be replaced, most video cards are not expensive.
b>

Feb 15, 2013 | Computers & Internet

1 Answer

My acer monitor come on and screen go blank


Step 1:
WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. http://www.kitchentablecomputers.com/static.php - rules Only work inside the computer case when the power has been switched off and disconnected. Never open the power source. Some of the below steps recommend removing physical parts within the computer. While in the computer it is highly recommend that you be aware of ESD and its potential hazards Causes a Computer Monitor to Go Blank b> While a blank screen may be caused by a general power outage, more often it's a problem with the screen itself. It could be a loose video or power cable going to the monitor. If that's the case, you can get the screen working again and be back in business in a few minutes. b> Power Problems All the power might be off due to a bad outlet, switch, fuse, or circuit breaker. If you hear no sound coming from the computer and its power light is off, check the power connection and breaker or fuse. Video Cable Many times the cause of monitor blackouts is a loose video cable connection. This might happen if you move the monitor or the cable. The video cable runs from the back of the computer to the monitor. It has a multi-pin connector on each end and both of them screw down securely. If the screws aren't tight, either connector could become loose. If that happens, the video signal could stop suddenly and make the picture go blank. Check both ends of the connector to make sure they're firmly seated and the screws are tight. The cable itself might be bad.This is unlikely, but possible. b> Display Power The monitor must have power. If the power light isn't lit on the monitor, it may have been turned off or become unplugged. Press the power button to make sure it wasn't accidentally turned off. Make sure the monitor is plugged in. If it's connected to a power strip, check that the power strip is on. If that checks out, unplug the monitor and try a different outlet. Power strip sockets can sometimes fail. Flat-screen monitors may have a power-brick-style adapter. It, too, has connectors. Follow the power cable from the monitor's power plug back to the monitor. About halfway up you'll find a thick rectangular plastic brick. The power goes into a modular-style equipment socket. This can become loose. Follow the wire the rest of the way to the monitor. It connects to the back of the screen with a small round plug. Check that it's firmly plugged in. If everything's plugged in right and the power light on the monitor's still off, the power brick might be bad. b> Video Card Some computers have a separate video card inside. It may come loose and cause a blank screen. If this is the case, open the computer and inspect the video card. Sometimes removing and reseating the card will fix the problem. If it has to be replaced, most video cards are not expensive.

Feb 15, 2013 | Acer Computers & Internet

1 Answer

I am using acer P205H monitor ,when i plug in it will start and shows acer symbol on the screen but goes blank as computer starts ,i checked all power cables they are OK ,and some switches are provided on...


that switches r made basically changing dvi to vga r vga dvi,if that switches r malfunctionig display goes to blank that means if u connect vga system will have dvi

Jan 30, 2011 | Acer AL1916W 19" LCD Monitor

1 Answer

I have this nice Acer Aspire 5735 dual core, when i turn the system on, the screen goes absolutely white. I tried whit an external monitor and it works fine (external monitor), looking back at the laptop...


Inverter and backlight are obviously working if the screen lights up, which, leaves the video cable.
One method is to remove the switch panel cover, starting from the sides and gently unsnapping it and then pressing down on the connector that fits on the motherboard, where the cable from the monitor goes. If gently and then firmly pressing the connector (wear rubber gloves to avoid static), gets the screen to power up with an image, place a bit of wadding over the connector, just enough to keep pressure on and refit switch panel.

If that fails I think you are looking at a new cable

Jan 11, 2011 | Acer Aspire 5735 Notebook

1 Answer

Computer freezing- blank white screen


Check your connecting cables to the monitor. They can become loose or you may have a cracked cable.

Jul 13, 2008 | HP Computers & Internet

1 Answer

Suddenly blank


Did you know any subtle changes in monitor performance before you had this problem. Maybe a flicker or lines running down the screen?

Sep 18, 2007 | Fujitsu Siemens MCM 21P3 (White) 21" CRT...

2 Answers

Reverse KVM problems


If you are sure the left monitor?s power is not the source of the problem it does sound like a shielding or excessive signal loss in a device/cable. If it?s always the left monitor I would try unplugging the video cable that goes from the left monitor and plug it into the right monitor; do the same with the other monitor. If the problem moves to the right monitor then that eliminates the monitors and we move on. If the problem goes away then probably one monitor had more signal degradation than the other. If the problem stays then the monitor is the source of the problem. If the problem followed the cable then I would exchange the cables that run from the switch to the monitors; if nothing changes exchange the cables that run from the switch to the PCs. If exchanging any of these cables results in the problem moving then you have a damaged cable or a bad connection. If the problem is still on the left monitor unplug the cables from the left PC that run from it to the switch and plug them into the right PC; do the same to the right PC. If the problem moves then you might have a damaged switch OR perhaps the video card output on one of the PCs is weaker than the other. All cables and devices weaken the video signal to some degree but the amounts can differ wildly. Over the years I?ve had this problem caused by cables, switchboxes, video cards, radio transmitters, bent connector pins, poor connections, excessive cable lengths, monitors and accumulative signal loss from several devices. The last is the hardest to diagnose. Good luck and let us know what happens.

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1 Answer

White screen covers desktop


Ah A simple one. simply unplug the power adaptor and take itno a repair place or radio shack and ask them to measure the output to see if theres 12 volts DC on the plug?? Good Luck

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