Toshiba U50t shuts down after 3 seconds - please advise a solution

[Pakito99]

Hi everyone,

I've got a Toshiba u50t laptop which is turning off after 3 seconds and I can't figure put what the problem would be.

When I'm turning it works just fine (screen works, keyboard works, fan works but only for 3-4 seconds) then it shuts down completely.

I read some comments about a similar issue which the cause was the missing or old cpu paste causing the cpu temerature sensor to shut the whole thong down.

I changed the cpu paste, dissasembled all the parts from the motherboard and still the same.

The only thing I have in mind is the BIOS.

I wanted to reset the bios by removing the battery but its soldered to the motherboard.

Maybe the BIOS chip would be the problem?

I managed to enter in the bios, does that means that the bios is ok or could be corrupted?


Has anyone dealt with this problem?


Many thanks!

 

[androbourne]

What happens if you load up the BIOS and just sit there? Does the system still shut down after 3 seconds?

 

[Pakito99]

Yes. It still shuts down.

 

[androbourne]

Do you think you have enough time to jump into the BIOS and set factory default before it shuts down on you?

 

[Pakito99]

Yes, I've done that but still the same.

 

[androbourne]

Trying to sound like a hardware related issue.

I wonder if the senor you mentioned above just went bad. I've heard of that happening before in older laptops and even through there wasn't an issue, the senor would flip out and shut down the PC due to a senor corruption.

 

[Pakito99]

I don't know. How can I check that? Can I locate it on the motherboard? Or can the sensor can be replaced?

 

[androbourne]

Honestly. it is a pain and differs between laptops.

You may want to actually bring it into a professional to test that stuff. It would be hard to explain it over the web and you need proper testing tools.

 

[Ill91_Gamer]

Can you boot up into any modes? Like safe mode?

 

[Ill91_Gamer]

Try spamming F12 during startup, it will take you to a boot menu.

 

[androbourne]

No he cant. It shuts off after 3 seconds. No matter where he is in the system.

When its happening even at the BIOS level. There is a bigger root cause to the issue. Such as a hardware related issue or senor like I stated earlier.

 

[Ill91_Gamer]

It could be the memory, CPU, or hard drive that's not at a functional level, and makes the computer shut down. It should be taken to a specialist like andro said earlier for examination, and hopefully they can come up with the solution.

 

[androbourne]

That would be hardware... like I said. But if he can't remain up for more then 3 seconds there is no way for us to test it. Hence the recommendation to see a professional and get hardware testing.