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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!
ThinkPad R400 (Daily)/C2D T9550/2GB/4500MHD/256GB SSD

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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.
ThinkPad R400 (Daily)/C2D T9550/2GB/4500MHD/256GB SSD

Collection: R61i, T60p, TR452, R31

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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.
A good C2D running cool should be pumping all the hot air it produces out the side of the machine.
That's what my R400 does, lets the hot air out of the vents without making any other parts of the machine hot.
ThinkPad R400 (Daily)/C2D T9550/2GB/4500MHD/256GB SSD

Collection: R61i, T60p, TR452, R31

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