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R400 shuts off randomly

R400/R500 series specific matters only
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CrazyTPFan
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R400 shuts off randomly

#1 Post by CrazyTPFan » Tue Oct 02, 2018 4:32 pm

My ThinkPad R400 has randomly shut off about 5 times now and I'm not sure why. It's just started doing this and it's never done it before. I just hope it's not a sign of the motherboard failing :cry: . Any help will be greatly appreciated!
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ajkula66
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Re: R400 shuts off randomly

#2 Post by ajkula66 » Tue Oct 02, 2018 10:30 pm

We'd need to know more about the actual circumstances...does it shut down under full load ? When you put it to sleep ? Leave unattended ?
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wujstefan
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Re: R400 shuts off randomly

#3 Post by wujstefan » Wed Oct 03, 2018 8:08 am

Well worst case you will need ro replace the mobo, but $20 does not seem that bad.

The best case is overheating due to dust etc.; P9600 works in low temps, however...
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CrazyTPFan
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Re: R400 shuts off randomly

#4 Post by CrazyTPFan » Wed Oct 03, 2018 2:32 pm

ajkula66 wrote:
Tue Oct 02, 2018 10:30 pm
We'd need to know more about the actual circumstances...does it shut down under full load ? When you put it to sleep ? Leave unattended ?
It's not doing it right now, but it usually does when watching youtube and youtube isn't really a heavy task for my R400.
wujstefan wrote:
Wed Oct 03, 2018 8:08 am
Well worst case you will need ro replace the mobo, but $20 does not seem that bad.

The best case is overheating due to dust etc.; P9600 works in low temps, however...
My R400 runs cool with the P9600, Theirs also brand new thermal paste on it. So, I can *possibly* rule out the CPU.
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Re: R400 shuts off randomly

#5 Post by Thinkpad4by3 » Wed Oct 03, 2018 7:10 pm

Zach123 wrote:
Wed Oct 03, 2018 2:32 pm
It's not doing it right now, but it usually does when watching youtube and youtube isn't really a heavy task for my R400.
YouTube is a bigger task on a C2D than you might think.
Zach123 wrote:
Wed Oct 03, 2018 2:32 pm
My R400 runs cool with the P9600, Theirs also brand new thermal paste on it. So, I can *possibly* rule out the CPU.
Download CoreTemp and get exact temperatures. A good C2D running cool should be pumping all the hot air it produces out the side of the machine. I know my X230 that has a much more power efficient i5-2520M will get to 75C underload, not terribly hot but it turns into a heat blowing machine. If it isn't blowing year, it isn't working right. My T500 blows heat all day long on a P8800 even at an idle.
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Re: R400 shuts off randomly

#6 Post by dr_st » Thu Oct 04, 2018 3:55 am

Thinkpad4by3 wrote:
Wed Oct 03, 2018 7:10 pm
Zach123 wrote:
Wed Oct 03, 2018 2:32 pm
It's not doing it right now, but it usually does when watching youtube and youtube isn't really a heavy task for my R400.
YouTube is a bigger task on a C2D than you might think.
I would add that YouTube has gotten to be a bigger task on a C2D than it used to be. ;)
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Re: R400 shuts off randomly

#7 Post by TPFanatic » Thu Oct 04, 2018 8:27 am

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CrazyTPFan
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Re: R400 shuts off randomly

#8 Post by CrazyTPFan » Thu Oct 04, 2018 4:16 pm

I think that I've fixed the issue. I had a WPAN card in my R400 and later found out it was dead after testing it out in my latitude E6400. So, I believe that the WPAN card could have caused an internal conflict that made the computer shut off.
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