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T440p shutting off

T430 and later, plus T530 and later series specific matters only
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Dragunov
Posts: 30
Joined: Wed Nov 29, 2017 7:02 pm
Location: Burnet Co. Texas.

T440p shutting off

#1 Post by Dragunov » Wed Dec 13, 2017 5:59 am

I was gifted this computer. It runs normally until:

You try and run it with the battery installed, try to play a game, or install any disk intensive software. Runs office fine, watch YouTube just fine, install small programs just fine.

I did the following:

T440p keeps shutting off. Particularly when I start a game.

No battery.

What I've tried so far:

Replace fan/heat sink.

Replace i5-4210 with i7-4700mq.

Thermal gel properly done.

Tried four different brands of RAM.

Swapped HDD.

Installed MS Office 2013, and .NET framework 4.5 Both run without a hitch.

Installed The Sims2, and it kicks off on launch. Same thing with Mass Effect 2.

Still kicks off.

It will run all day surfing the internet, running office, etc.

My PS is 90w

I have a battery. Computer kicks off at start up with battery installed. Take battery out, starts/runs normally, until I try to install a large program, or run a game.

CPU fluctuates from 46c to 70c, depending on what I'm doing whether it's running the i5, or the i7, so it's not overheating.

HD4600 Graphics, no nVidia.

Win7 Pro, and WinX. Kicks off with both.I

I'm beginning to think the MB isn't the best

have latest drivers from Lenovo website.


Any suggestions?

Elmer Fishtwanger
Posts: 13
Joined: Mon Dec 11, 2017 11:31 am
Location: Somerset, KY U.S.A.

Re: T440p shutting off

#2 Post by Elmer Fishtwanger » Thu Dec 14, 2017 10:49 am

Does it run with the battery installed, but turn off with battery out and computer under stress?

Dragunov
Posts: 30
Joined: Wed Nov 29, 2017 7:02 pm
Location: Burnet Co. Texas.

Re: T440p shutting off

#3 Post by Dragunov » Sat Dec 16, 2017 9:43 pm

Nope. Shuts off quicker with the battery installed. With the battery out, It runs fine unless I'm trying to play a game, or install a fairly large program.

zephxiii
Posts: 43
Joined: Sun Aug 02, 2009 9:40 am
Location: New Haven, IN

Re: T440p shutting off

#4 Post by zephxiii » Fri Dec 22, 2017 10:03 pm

I'd run stress test software specific to each component to see which one triggers.

NavyBOFH
Posts: 4
Joined: Wed Dec 20, 2017 12:52 pm
Location: Columbia, South Carolina, USA

Re: T440p shutting off

#5 Post by NavyBOFH » Mon Dec 25, 2017 12:14 pm

I'll place money on the battery being the issue. If it is a dead battery and installed - the computer will still be trying to charge it and use it as a buffer... no extra juice, system shuts off. When you have it removed the system throttles because it doesn't have the battery to buffer power demand - and hence you don't die so quickly.

I know on some other models the whole "If your AC adapter cannot handle the load and no battery is present you'll lose functionality" issue comes up. So I am just throwing it out there to replace the battery and go from there.

Dragunov
Posts: 30
Joined: Wed Nov 29, 2017 7:02 pm
Location: Burnet Co. Texas.

Re: T440p shutting off

#6 Post by Dragunov » Fri Dec 29, 2017 10:14 pm

NavyBOFH wrote:
Mon Dec 25, 2017 12:14 pm
I'll place money on the battery being the issue. If it is a dead battery and installed - the computer will still be trying to charge it and use it as a buffer... no extra juice, system shuts off. When you have it removed the system throttles because it doesn't have the battery to buffer power demand - and hence you don't die so quickly.

I know on some other models the whole "If your AC adapter cannot handle the load and no battery is present you'll lose functionality" issue comes up. So I am just throwing it out there to replace the battery and go from there.
Thank you very much. I'm going to pick up a new battery, and a 100+ watt power brick for it, and see if that works... THANK you!

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