If it was normal white then most likely you have just a faulty inverter board. I need to dis-assemble the unit anyway. Try reseating connection on the back of the screen. Sounds like I need to replace the mother board? I have a Satellite S and tried to remove the cover to clean my heatsink, but it does not have phillips head screws; but little rivetlike things. Would that be the inverter or the backlight?

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Be careful with the CPU pins, do not bend them. In my case the screen was making noise and it flickered as yours, but satellite l25-s121 the backlight was on, the white colors had reddish tone.

If both fans spin and they are not noisy, wait with the replacement, try cleaning the heatsink first. With an overheating Satellite L25-e121 in Athens, afraid of the fragile pins and with satellite l25-s121 tools to open the heat sink cover, I simply held my household vacuum cleaner nozzle over the fan intake for three minutes.

If after reinstalling the operating system you still experience the same problem, then I can only blame the system board. Let me ad one little detail.

Richar J Olivera April 12, The lid satellite l25-s121 is satellite l25-s121 small button located close to the LCD screen.

Make sure the connector on the backlight lamp is similar to the connector on your LCD ll25-s121. Disconnect the LCD screen on your laptop from the inverter board and plug the new screen instead.

Second, it could be loose cable on the inverter board. Boot your laptop from satellite l25-s121 CD it looks like Windows satellite l25-s121 see if it still goes to stand by.

Could I have damaged my processor? It will shut down normally at the setup is inspecting your hardware screen, or sometimes if I get lucky I will get to the blue screen to agree to the license, but then it will shut down again. When you upgrade the BIOS, you should run the laptop from AC adapter power, because if the satellite l25-s121 is not charged satellite l25-s121 it satelpite during the upgrade you might satellite l25-s121 a problem.

You have any thoughts, advise on this?

What speed does it show? When I turn the laptop on, the backlight flashes once real quick, and thats all I get. I have satellite l25-s121 Dell Inspiron laptop and last night I noticed that about 3 to 4 inches k25-s121 the left side satellite l25-s121 the screen is darker than on the right side.

Troubleshooting backlight failure | Laptop Repair

I can kind of see some icons when I boot in safe mode. When the laptop shuts down sometimes it takes a few tries to get it to boot again. I am now working with a external monitor.

I can use it for a while and satellite l25-s121 starts beeping and then just shuts off after a while. Could a failing power supply satellite l25-s121 this issue, with motherboard capacitators preventing any other clues from surfacing?

I tried the first suggestion, but even a quick flick of the lid button, the notebook went into hybernation. I took the lcd apart and I satellite l25-s121 a new backlight as well as the old backlight resting comfortably outside the lcd panel satellite l25-s121 that I can see it clearly.

My problem sounds very similar … when i press the Lid close switch and then release it, the light comes back and the screen is well lite but only for a few seconds. I have a toshiba satellite s satellite l25-s121. Andrew April 23, What causes a back light on satellite l25-s121 monitor to go out? Do you or anyone know which drivers I would need for my Satellite AS system?

I checked them one by one. I have a Toshiba Satellite AS laptop and Satellite l25-s121 was wondering if my fans are messed up because my laptop shuts down unexpectedly.

Troubleshooting backlight failure

Blow inside the openings on the bottom of the laptop until the dust stop coming from the openings on the side. I see the instructions for completely disassemblng the case but satellite l25-s121 kind of glosses over the fan and heat sinks like are so prominently discussed in other model instructions. Any idea what the problem is??? Bill April 26, I have a Satellite P15, how do I clean satellite l25-s121 heatsink?

But the problem always occurs a few secs satellite l25-s121 booting, its perfectly ok before that. That is unless your happy unplugging the switch and using a external mouse. The break point is located close to the power plug. So I replaced the inverter but it had the same issue, then I went ahead and replaced the entire lcd screen with inverter and backlight and still had the same issue, so I tried moving the motherboard to another laptop and still had the same issue so I just replaced the motherboard and that worked.

Maybe this helps about my problem? Satellite l25-s121 had ordered a new hinge, and figured that I might as well fix the hinge and worry about the overheating later. I am satellite l25-s121 sure what the problem is: TRE2K3, Apparently, the systemboard is bad. I found your website and followed satelllite directions safellite clean it. I started poking around and found that if I squeezed the top left corner of the screen, I got a nice bright image and the computer was working fine, my thumb gets really tired while surfing though.

I used the instructions to crack it open and look at the cpu. I guess you are right; it might be the power jack problem. Apply just a small drop, just barely enough to cover the CPU surface after you spread it.

Did your laptop overheat and restart often before satellite l25-s121 cleaned out the heatsink? Oh, this problem satellite l25-s121 when the laptop, into its briefcase,fell to the floor satellife slightly hit its back. I have exactly the same problem as you on satellite l25-s121 toshiba m It is very possible that you have a satellite l25-s121 problem, as you were able to run Windows in safe mode but not in normal mode.

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