Question about Dell Inspiron 1521 Laptop

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Monitor goes black...computer keeps running regularely otherwise

Good evening...

For some reason, randomly my monitor will go black, as if the power got shut right off. The computer keeps running as normal, but the monitor itself will not come back on unless I force the computers power off and turn it back on. Any ideas? I have a Dell Inspiron 1521 with Windows Vista.

Thanks,
Chris

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  • too2wily4u May 06, 2009

    I have knowledge, but not sure what to do to fix it. Can't quite decipher what s_4u_11 is saying.....:?

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Dit you check to see the power saving option in control panel

Posted on Jan 04, 2009

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Its due to wahter problem its commen problem in a dell monitor u have to take ur monitor with a good electronic technision or if u have knowlged then u have change the id of u r ic in ur monitor & ur monitor will be redy to use

Posted on Jan 04, 2009

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1707fpt dell flashes video and green power light


i will give you some tips
1- If the power light goes from green to orange) this is almost always an issue with the computer and not the monitor
2- If the monitor power light turns off, then it is almost definitely a problem with the monitor.

there are some reasons your monitor turning on and off
01-One reason the monitor could shut off is because it is overheating.
02-If the power cord is loose and is not securely connected to the back of the monitor it will cause the monitor to turn off.
03-If the monitor is staying on, but you loose the video signal, it's very likely an issue with the video card or motherboard in the computer. This could also be an issue with the computer or video card overheating or a defect with the video card.
04-Another reason the monitor could shut off is because of a malfunction in the circuitry. There could be a short in the wiring or some other failure in the circuitry, causing the picture to go black or causing the monitor to shut off completely
05 another reason the monitor on and off is because your monitor power supply chipset is damage

hope that it will help you

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Goes black. switch power off, then on again and is ok....until it goes black again. Does this regularly. V. Annoying. PC keeps operating ok.


This is a problem with power /Invertor board.Contact Asus Service,normally there is a 3 year warranty.
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There are 4 c5707/5706 in the inverter transformer driving circuits, the cause of the problem was due to poor solder connection in the bias circuits of the transistors. Make sure to check that after you install the new transistors otherwise you will blowthem up. Common problem with this model. When the circuit drwas too much power from the power supply, it will shut itself off to ptotect itself.

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Lg w1934-bn blank screen after start up, power light on . same problem occurs on different computers used.


Reason 1: Wetness The number one reason why computer monitors go blank is - wetness. Believe it or not, when your computer monitor is exposed to humid air, sometimes water can condense and accumulate in the monitor. This causes the monitor to malfunction and go blank. I've had this happen to my desktop PC at least three times before. What you need to do is to leave the monitor alone for some time and allow the water to evaporate. That usually solves the problem.

Reason 2: Faulty Graphics Card The next reason why your computer monitor goes black is due to a faulty graphics card. The best way to detect this kind of problem is to connect up a new monitor to your PC, then check if you have a blank screen. If you continue to have a blank screen, then it's likely your video card is faulty.

Reason 3: Faulty RAM This one is less obvious and less common, but it can happen. You might sometimes get bad RAM modules which prevent your PC from booting up even to the basic BIOS startup screen. To detect this kind of problem is more troublesome, you might need to remove those RAM modules and insert them into another computer.

Reason 4: Loose Connections Another reason why your monitor goes blank is due to loose connections. The connection from the monitor to the mains is usually a culprit, as is the connection between the monitor and the video card. Check those connections before you declare your computer monitor as faulty.

Reason 5: A Short Circuit In The Motherboard And the final reason why your computer monitor goes blank? It's possibly because of a short circuit in the motherboard. This is the most undesirable outcome of course, as you might have to replace your entire motherboard. However, it's possible that this can happen - so keep your fingers crossed and hope it doesn't happen to you.
i think this will help.
please rate my solution.
have a nice day.

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My monitor went black, and the power switch just flashes.


is your CPU working properly? if that the case, your monitor is in need of a service.
reasons for why a monitor goes blank?
Reason 1: Wetness
The number one reason why computer monitors go blank is - wetness. Believe it or not, when your computer monitor is exposed to humid air, sometimes water can condense and accumulate in the monitor. This causes the monitor to malfunction and go blank. I've had this happen to my desktop PC at least three times before. What you need to do is to leave the monitor alone for some time and allow the water to evaporate. That usually solves the problem.

Reason 2: Faulty Graphics Card
The next reason why your computer monitor goes black is due to a faulty graphics card. The best way to detect this kind of problem is to connect up a new monitor to your PC, then check if you have a blank screen. If you continue to have a blank screen, then it's likely your video card is faulty.

Reason 3: Faulty RAM
This one is less obvious and less common, but it can happen. You might sometimes get bad RAM modules which prevent your PC from booting up even to the basic BIOS startup screen. To detect this kind of problem is more troublesome, you might need to remove those RAM modules and insert them into another computer.

Reason 4: Loose Connections
Another reason why your monitor goes blank is due to loose connections. The connection from the monitor to the mains is usually a culprit, as is the connection between the monitor and the video card. Check those connections before you declare your computer monitor as faulty.

Reason 5: A Short Circuit In The Motherboard
And the final reason why your computer monitor goes blank? It's possibly because of a short circuit in the motherboard. This is the most undesirable outcome of course, as you might have to replace your entire motherboard. However, it's possible that this can happen - so keep your fingers crossed and hope it doesn't happen to you.
try this.
please rate my solution.
have a nice day.

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2 Answers

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