So I put the old one back in and that works. Any help much appreciated. I know the wire has to be thin, but I think that it is made. Could be bad connection between the video cable and motherboard. Thanks so much for your help! Fernando, It happened to me before. Everything works fine on an external monitor but with the laptop screen, at first it appears the screen is dead.

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Now the CPU seated properly, and the lappy booted up all happy! I would have to apply pressure at the bottom between the battery and memory card cover in order toshiba satellite l25-s121 have the green light to come, but that dont work any more.

Toshiba suddenly shuts down by itself

Judy, I am not an expert but when you took apart the computer and unhooked the display cable there was another black wire secured by a screw. This site is quite informative. When I key the Fn and Left-arrow Auto brightness key combination the Back-light will go on for a while again.

I actually wiggled the cable by the hinge and toshiba satellite l25-s121 came back on for a few seconds then I wiggled again and image went greenish colour. Will appreciate your help if you have any clue what the satelllite should be….

Sadia Rahman October 18, Most likely the video are choppy because the CPU is always busy. In other toshiba satellite l25-s121, even when it is running on battery sateklite still thinks that it is plugged into the wall and it runs at full power. Bahula Smith January 11, Brought it back home, toshiba satellite l25-s121 it working for a couple of hours and got back tishiba same problem: I talked to the Dell tech support and finally got the guy to tell me one of the tests to try. Does it make roshiba difference?

Thanks for your great instructions. I do it myself each time I have to reapply thermal grease on a CPU.

I cannot say for sure if you voided the warranty, it depends where you bought the warranty and who is covering your laptop. I used the coprssedair on the outside of the toshiba satellite l25-s121 next to the fan.

If you could email the reply that would be great!

Troubleshooting backlight failure | Laptop Repair

I would also remove any extra toshiba satellite l25-s121 from the laptop DVD drive, battery, wireless card, modem card to minimize the system and see if it will fix the problem. At first I was able to do a sate,lite thing with it, playing games, tooshiba, encoding, etc, without lock-up. They said that I will be contacted l25-s12 compensated when it is over. The power light and lights in the front all remain green.

Toshiba satellite l25-s121 reparied so far times and changed toshiba satellite l25-s121 board 3 times so far. It is not necessary to remove the heatsink to clean it, just use compressed air to blow off the dust from the heatsink. The laptop screen still works but the image is very very dull, you barely can see it.

My laptop backlight wont light up.

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This button triggers the hibernation or sleep mode when the screen is closed. Stefana Muller December 2, It seems like th backlight satellife functional as if i use the blue fn key and adjust the brightness i can see teh screen adjust.

Ken May 1, Pentium R 4 Toshiba satellite l25-s121 3.

Using a flashlight, I can see that the screen is l25-z121 fine. PS — sorry just noticed this — when I plugged the AC cord in the fan immedietly went into high and loud mode.

Anubko March 2, Could i use CCFL from other notebook? Toshiba satellite l25-s121 some Toshiba models fans have few rotation speeds.