And after that it was working fine. I am a little bit afraid that when I get two new and bright K tubes I loose that fine colour rendition capability. Hi I have H. Hold down the Fn key and press on the F5 key until video appears only on the laptop screen. Could you help me on this one? Attaching an external monitor works fine.

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RD of houston tx says: My laptop boots up and i see a faint logo and then all goes black. December 4, at 2: Make sure the lid close switch moves freely.

Please test your laptop with an external monitor. I guess it is either zatellite inverter or the lamp. Try replacing the LCD screen. Try reseating connector on both sides of the inverter board. And after that it was working fine. July 25, at This repair should be performed only by toshiba satellite a25 s3072 experienced technician.

Toshiba Laptop Batteries from Canada.

Is it working properly in safe mode? It sounds like you have two different problems in one laptop. Before replacing anything, I would toshjba I unconnected one after another from the inverter board and the result was the lamp ignited then after a brief moment turned off completely. toshiba satellite a25 s3072

A typical laptop LCD screen has only one backlight lamp installed. January 14, at Esc key method If an external keyboard is attached to the notebook, either directly toshiba satellite a25 s3072 via a docking station or a port-replicator, disconnect it.

Screen backlight lamp | Laptop Parts

July 25, at 8: I have logged in to Linux, and the problem persists so I am pretty sure there is a hardware problem. Turn the computer on.

This symptom has been on for a while that even a cold start would show also a white screen. I currently own a Fujitsu Lifebook N Screen backlight lamp Posted on December 26, by Repair Man.

Screen backlight lamp

December 21, at I just noticed that the screen tshiba of my laptop hp hdx 16t has decreased. I notices that too. Run the Toshiba Hardware utility from the Toshiba Console. May 8, at 8: November 24, at Hi i have lenovo y laptop.

Could the bulb have blown? July 16, at 9: July 13, at This bulletin documents the several different methods for gaining access to the Toshiba satellite a25 s3072 Setup feature of most models of Toshiba computers.

Try replacing the cable. If you do not see a prompt to press the F2 key, then immediately press and hold the Esc key for three seconds, and then release it.