Question about Sony VAIO PCV-W20 PC Desktop

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Display won't stay visible

When I power up the display tries to come up, will stay on intermittently for a moment, and then goes dark. I can see an image very faintly, almost as if it's burned in, but it is an image of the currently running program. I tried hitting f8 as it starts up, but that has no effect. I normally just log out and leave the unit on all of the time, and there is a screen saver running. The problem arose when I was away for a few days.

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If you can see the moving image faintly then it sounds like a problem with the backlight on the screen. Backlights can fail, but usually a cause is an impact of some kind.

Posted on Dec 31, 2006


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My casio protrek 2500t watch is in power saving mode but even after keeping in dark for hours between 10pm and 6 am the display does not go off.Please help.

I own the same PRW-2500-1A (all black).Check if under the hours reading, PS appears.If yes,power saving function is activated.
Normally, Power Saving Function is enabled automatically (if activated) if the watch stays in complete dark for sometime.If after a couple of hours in the dark the watch comes suddenly under bright light,the display goes on immediately.Hour interval (10pm-6am) has nothing to do with Power Saver.
Try the following:
a)Deactivate and reactivate (or vice versa) the PS.
b)Leave the watch in the dark for a couple of hours .Then,still in the dark,try,using a very low power light (just that you can,barely read) to check if display is blank.If not you may have a problem with the light sensor found at the bottom of the display.Will be a very rare case but you have to take the watch to a CASIO authorized service.

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My display is intermittent, bright to dark

go to the settings and turn the power saver OFF

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My screen will not come on

Replace it with a new LCD Inverter, you can address the following issues:
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GE spacemaker microwave turns off during cooking and display goes black

Step 1:

Door Switch

If the microwave runs for a few seconds and then shuts off, a door switch might have failed intermittently. Check each of the door switches for any signs of overheating, arcing, or burning. Also check each of them for continuity. Replace any of the switches that is visibly damaged or that only has continuity intermittently


Step 2:

Main Control Board

If the microwave runs for a few seconds and stops there may be a short circuit in the main control board. Check other components first, these boards are often misdiagnosed.

Touchpad and Control Panel

If the microwave runs for a few seconds and stops the touchpad and control panel might be defective. There are several other components that can cause this problem, be sure to check any other components before replacing this board.


If the microwave runs for a few seconds and stops the touchpad might be at fault. This is not common. Generally speaking, if the microwave display is working and some of the buttons respond correctly but some don't, the problem is with the touchpad.

High Voltage Transformer

If the microwave runs for a few seconds and stops the high voltage transformer might have an intermittent short. This is not common. Check other components related to the microwave symptom first.


If the microwave runs for a few seconds and stops the thermostat might be defective. Watch our video on testing thermostat

Step 3:


Step 4:


Step 5:


Step 6:

use the DVOM tester and fix it. God bless you

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1 Answer

Power is on but after 2-4 seconds display turns off but power is still on where the power light is in's not in sleep mode where the power color is just goes back to normal at random...

Without looking at the monitor to confirm this, I suspect you have failing capacitors which power the HT circuit, simply, the power needed to light the display, is leaking to earth, capacitors have lost the ability to store the charge necessary to illuminate the screen, which is why it is working erratically.
You need to get this checked out by a TV technician.

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Intermitently, my screen goes dark, but the

1.)It could be your video card
2.) Yes it is expensive for a laptop
3.)I would first check your screen setting for turning off display...

If you are using vista:

-Right click on your desktop then choose personalize
-Then click screensaver
-On bottom click on "change power settings..."
- On the left click on "choose when to turn off the display"

Your monitor can turn off without your computer being in sleep mode.

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After working normally for several years, my Inspiron 1100 display went dark but will come on normally if I press Fn+CRT/LCD BUT ONLY FOR 1 OR 2 SECONDS then goes dark again. Tried holding F8 during...

there is a ribbon cable going from the lower [keyboard unit] to the upper unit [display] that has been going bad over time. or the display panel backlight is bad.. you might be able to save old betsy by taking her to a laptop shop and see what they can do..goodday

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Picture goes off after a brief display on the screen.

check the flyback. did u hear any noise coming from that ..


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