I have a 5 year old Dell Inspiron 1200. The screen went very dark but you can still see the screen saver etc but very faintly in the screen. I have been reading through other questions and the answer always seem to be the inverter. I took it to our local computer repair shop and they are saying it needs a new LCD screen so it will cost $140. Is this feasible?? Thanks
I repair computers and i have fixed a few like that and it was the inverter that went badI repair computers and i have fixed a few like that and it was the inverter that went bad
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Your backlight bulb went out, it's a long tube on the bottom typically, It's most likely taped to the LCD frame and encassed in a metal shield. Not for the faint of heart taking on the repair. Light fixtures are found on eBay however, or new LCDs of course
Connect an external monitor to the laptop and power it up, if you see a clear image on an external monitor, this means your video card is OK.
If you see a dim image or flicking image on the LCD screen it means you have a backlight problem.
Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case. The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills. Check out www.lcdparts.net for parts, repair service and DIY info.
If it showed a pinkish tint on the screen before it went out it could be the backlite. If you can see a faint screen when you turn the room lights out it chuld be the inverter. Inverters are cheap ... a used one for around $8 on ebay. Try that first. Make sure that you buy the EXACT model that is presently in your laptop.
At first glance, I'd say "bad video/motherboard" ...however, when you hook up an external monitor, you also need to first switch into "external LCD" mode. On the Dell laptop, hit FN and F8 I believe to switch between LCD and external. It will go through several modes...LCD only, external only, neither, and both. Keep switching until you see something on the external.
If you never see output on the external, you've got a video/motherboard problem. If under warranty, contact Dell and place a support call.
If not under warranty, you're looking at anywhere from $200-$400 for a new motherboard, plus labor for someone to install it.
Hope this helps - remember to rate :)
Experience: - A+ certified technician - 8 years as IT/manager of a 100% Dell-supplied company, with over 1,500 Dell volume annually - Dell Level II certified technician
no.. its the backlight or the inverter.. both located at bottom edge of lcd under plastics.. the backlight is a mini fluorecent light tube in the lcd dotn try to fix it its hard. the inverter u can fix . inverter is easier and its 25$ in ebay
Would you want to consider replacing it yourself? Would probably take an hour, or so. And it's not really rocket science. If it is the back light, that should run about $10-12 plus shipping. If it is the inverter, that will cost in the neighborhood of $60 plus shipping. The inverters have a tendency to fail more often than the backlights. (ain't that the way it always is?) Don't know of anyway to which it is without trying one, then if that doesn't do it, try the other.
This link will take you to the instructions on how to do it: http://www.lcdparts.net/Laptopinverterdetail.aspx?inverteroriginal=LTN150XC-PG
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