Question about Toshiba 30GB 5400 RPM NOTEBOOK HARD DRIVE KIT FOR SATELLITE 1900CDS SERIES (30S1905TOS)

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Laptop screen my laptop was damaged and i changed it . the problem is it dark hard to see it night time i see it but not clear . is there a light bulb in the screen.

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No but somewhere on your keyboard there is a brightness button possible in the up/down keys in the keypad. Look at all the blue keys and you will push Fn(Function) to get the brightness up or down

Posted on Jun 19, 2009

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Posted on Jan 02, 2017

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Screen began flashing then went dark


If your laptop appears to boot up and the hard disk LEDflashes, then the problem is probably a back light fault. This can be a faultyinverter or a faulty CCFL lamp. Please click on this link and follow myinstructions to identify the fault and possible fix :- http://www.fixya.com/support/r3598095-faulty_laptop_lcd_screen

Jun 16, 2012 | Computers & Internet

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Can not focus. The lens moves fine from one end to the other but I'm unable to see clear images with or IR while in a dark room.


Don't IR illuminator in the dark room. Turn on a small light in one of the corner; such as, a small light bulb. increase ambient light a little at a time until you can focus. You flooding the dark room with IR illumination which will reflect everywhere in there. This might take care of the fuzziness in the monocular. stewbison

Jan 29, 2011 | Yukon 24021 Monocular

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My brightness control does not work just turned on and can not hardly see anything it is up and running what now


Have you tested it with an external monitor?

I would say you either have a damaged inverter board or screen baclight lamp. Usually the inverter board fails in one of the following ways:

1. When you turn on the laptop, the screen lights up for a short period of time and then goes dark. You still can see an image but it is very dark, almost invisible and definitely not usable. When you restart the laptop, the screen lights up and then goes dark again. The laptop works fine with an external monitor.
2. Your laptop turns on but the screen remains dark all the time. You still can see a very dim image outline. The laptop works fine with an external monitor.
3. The laptop screen works fine for hours or even days, but sometimes it goes very dark as it mentioned above. When you restart the laptop, the screen works fine again.

Inverter failure symptoms are very similar to backlight lamp failure symptoms and in most cases you cannot tell which one is causing the problem until you replace either the inverter board or the backlight lamp. From my personal experience, inverter boards fail more often than backlight lamps. If you have to guess, replace the inverter first.

Mar 24, 2010 | Dell Inspiron 1545 Notebook

3 Answers

VERY Dim screen after a drop


Have you tested it with an external monitor?

I would say you either have a damaged inverter board or screen baclight lamp. Usually the inverter board fails in one of the following ways:

1. When you turn on the laptop, the screen lights up for a short period of time and then goes dark. You still can see an image but it is very dark, almost invisible and definitely not usable. When you restart the laptop, the screen lights up and then goes dark again. The laptop works fine with an external monitor.
2. Your laptop turns on but the screen remains dark all the time. You still can see a very dim image outline. The laptop works fine with an external monitor.
3. The laptop screen works fine for hours or even days, but sometimes it goes very dark as it mentioned above. When you restart the laptop, the screen works fine again.

Inverter failure symptoms are very similar to backlight lamp failure symptoms and in most cases you cannot tell which one is causing the problem until you replace either the inverter board or the backlight lamp. From my personal experience, inverter boards fail more often than backlight lamps. If you have to guess, replace the inverter first.

Mar 24, 2010 | Sony VAIO VGN-NS190J/S Notebook PC

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Vaio PCG-9S1L Screen is very dark, extremely hard , LAPTOP SONY


As stated in your post "two year old may have dropped it"
If this is true than the backlight has probably been damaged. The small flourescent tubes that generate light through the LCD display.
Email service@lanprotec.com for service options

Mar 01, 2010 | Sony Computers & Internet

1 Answer

IBM T61 remains with dark blank screen but is on.


Connect it to another monitor,and see if it comes on. Your screen may be damaged.

Feb 22, 2010 | Lenovo ThinkPad T61 Notebook

1 Answer

LG REAR PROJECTION TV DARK SCREEN PROBLEM


very possible unit has bad optical engine .May not be worth repairing.Optical engine is complete unit that includes lamp,LCD panels, fans,optics and other parts.They come complete and cost about 3-6 hundred dollars ..thanks

Jul 30, 2009 | LG 62SX4D 62" Television

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When I use my toshiba laptop with battery the screen is perfect but when I plug it to the AC outlet the screen become dark. What I need to check?


If I get what your saying, the bulb is getting dimmer as you use it. Almost all of the laptops I have worked on with what your describing it is an inverter or a bulb. If it has dark on the sides and then goes dark it may be the bulb going bad which can make the inverter go bad. Just like having bad bulbs in a flourecent light can make the ballast bad.
I would get an inverter from ebay and install it. Its really pretty easy to change (normally). I see you had this done under warranty before. If you dont know how to do this I can tell you how. Get the inverter first and a small screwdriver set then if you need help I posted a description to another persons question and told them how to change the bulb. You should be able to get the idea about the inverter swap from that post or contact me. Hope this helps... Dale

Jan 23, 2009 | Televison & Video

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