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This can be a hardware issue, failure of the circuit, the flash unit or the LED. In this case it is best to take opinion and support from Nokia care unless you are fully equipped to open and check and evenso the spare could be another issue.get estimate and proceed
Does it seem like the laptop booted up all the way except the screen is black? If so try the steps below:
Shine a flashlight on the dark screen to see if you barelysee the icons on the desktop. If so, then the LCD Inverter is bad.
Plug in an external monitor and see if the display shows up on it. It can beany kind of monitor even the old big fat crt monitors as long as it has a vgacable to connect to your computer's vga port. If so that proves yourvideo card is ok. The video will show on most systems when you rebootwithout you having to do anything. Some systems will require you to hit the FN(Function key) + F1 thru F12. Hold down the FN key then hit the correctkey for displaying on the monitor (F1 thru F12). The correct key willnormally have CRT/LCD on it or it will have the icon of a display.
If you see no icons by shinning a flash light and the external monitor works,then your screen is bad. If you see no icons by shinning the flash lightand nothing shows on the external monitor, then most likely your video card isbad.
TI calculators have an annoying habit of dimming the screen, especially when the batteries are changed, so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible. If this isn't the problem, please reply to this post and give a fuller description of the problem.
I hope it isn't the case but your laptop display may be going bad. I have seen this a few times before when I was working in a repair shop.
Things to test first: Make sure video driver is the right one and up to date. Install the latest Flash player Install the latest Java updates If you are ok with taking your screen apart (If not thats fine don't do it) check the cables in the back of it for burns or frays.
If all that fails best to take it a shop to have the display checked out.
try rebooting it
and if your sons psp had been fallen anywhere when he was playing then there maybe a chance hardware or battery small chip was bolted
if this doesnt work go anfd look inn sony showroom and show them this problem
Turn off your LCD display screen. I know this is hard—who likes shoving their face against the camera to compose a shot through the little viewfinder? But the LCD screen single-handed-ly drains a lot of power.
Minimize the picture preview to the least amount of time possible—usually one second. This uses less LCD screen time, thus less power.
Dim the brightness on your LCD screen. A dimmer display extends battery life by consuming less power to light the screen. This might make the display harder to see, but usually only in direct sunlight.
Set the power saver to the least amount of time. Power saver lets your digital camera “sleep” when not in use, but doesn’t shut it down entirely. To “wake up” your digital camera, simply click the shutter button.
Use your zoom as little as possible. The motor that moves the lens uses power. This also goes for repeatedly turning your digital camera on and off if it has an extend able lens.
Turn off the continuous focus. Again, constantly using motors and electronics to ready your shot drastically minimizes battery life.
Don’t push the shutter button half-way down until you’re ready to shoot. Pushing the shutter button (constantly resetting and refocusing) will drain battery life.
Use the flash only when necessary. Your digital camera’s “auto flash” option should take care of this, but make sure your flash isn’t going off in broad daylight.
Don’t delete pictures from your digital camera unless necessary. This consumes power. Wait until you download the pictures to your computer before deleting.
This one’s basic, but charge your battery often. Lithium ion batteries, which most digital cameras use, don’t have “battery memory” like older alkaline. In fact, lithium ions work better and last longer if charged completely and regularly.
Have you tried to reset the camera to the factory defaults? To do this: have the camera in shooting mode - go to Menu - left arrow to reset - press ok - Highlight Yes and press ok. This will reset the camera to factory settings. See if flash works now.
Turning the Flash Off and On:
1. With the camera in any user set, repeatedly press the Flash/ISO button on the lens barrel until the flash cancel icon (a lightning bolt in a circle with a slash through it) is displayed on the control panel and screen.
2. When finished, to return to the default setting, press the Flash/ISO button until AUTO and the lightning bolt icon are displayed on the control panel and no flash icon is displayed on the screen.
If it still doesnt help:
1. Check that batteries are fresh.
2. Check that camera hasn't been set for no-flash mode.
3. Give the flash time to charge before pressing shutter.