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 Post subject: T61 random shutdown
PostPosted: Wed Nov 30, 2011 4:29 am 
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Joined: Thu Mar 24, 2011 9:50 pm
Posts: 22
Location: New Castle, Pennslyvania
ok so basically my T61 shuts down randomly, happens every now and again. running windows 7 ult has latest os and lenovo updates.

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 Post subject: Re: T61 random shutdown
PostPosted: Wed Nov 30, 2011 7:54 am 
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Joined: Fri Apr 20, 2007 5:04 am
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Well, my T60 also does something similar, it goes into sleep as it was low on battery occasionally - fairly rare though. Something like once every 1-2 months. It will start again with no apparent loss of anything, but strange it is.

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T60 1952-Y9H CoreDuo T2400 1,83GHz, Intel 945, Win8.1 Pro, 3Gb RAM, Kingston SSDNow V200 128GB, MS Office 2007, OpenOffice.
2 more T60 in the family (daughter, son-in-law), T60p for one grandchild and an Ideapad U330 Touch for one more grandchild. All running Win8.1, superfast!


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 Post subject: Re: T61 random shutdown
PostPosted: Wed Nov 30, 2011 8:43 am 
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Joined: Mon Jan 25, 2010 5:53 pm
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Location: Canada
When you say it shuts down, does it shut down through Windows or does it just hard power off?

Just wondering if maybe there's a hardware problem. If your T61 has the nVidia graphics card, I'd be leaning towards a card failure.

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 Post subject: Re: T61 random shutdown
PostPosted: Wed Nov 30, 2011 8:59 am 
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ThinkPadder
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Joined: Thu Sep 22, 2011 2:41 pm
Posts: 1651
Location: Hockessin, Delaware
Failed nvidia gpu doesn't usually present like this, I'd lean more to a thermal shutdown, or other system board problems. If you have an nvidia based model built before august 2008, then I'd clean out your heatsink/fan assembly and reapply some thermal paste on your cpu/gpu and monitor temps with thinkpad fan control (freeware). This may even cure the problem, but what you need to know if it persists is if it's doing it when your component temps are high.


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 Post subject: T61 random shutdown
PostPosted: Wed Nov 30, 2011 9:25 am 
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Joined: Tue Nov 27, 2007 6:06 am
Posts: 81
Location: Singapore
does it hot on the left corner keyboard area? if it is. then its overheating issue. could be lots of dust in your fan.


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 Post subject: Re: T61 random shutdown
PostPosted: Wed Nov 30, 2011 2:03 pm 
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Joined: Thu Mar 24, 2011 9:50 pm
Posts: 22
Location: New Castle, Pennslyvania
yea its a hard shut off and no its not overheating. it usually happens when my external hdd is plugged in, could it be a power issue?

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 Post subject: Re: T61 random shutdown
PostPosted: Wed Nov 30, 2011 2:38 pm 
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Joined: Sun Nov 29, 2009 5:35 am
Posts: 127
Location: Leeuwarden, The Netherlands
I had the same problems with my FrankenPad T61. Random shutdowns.. drove me crazy. I never had this problem with my T60p config.
I was already searching on eBay for T60 parts to revert it to a T60... then I decided to completely reassembly the laptop.

I took it completely apart till it looked liked this: http://home.concepts.nl/~pc125480/t61_mod/IMG_0338.JPG

I noticed the magnesium frame I had to modify for the FrankenPad mod was very close to the motherboard: http://home.concepts.nl/~pc125480/t61_m ... 0_reds.jpg (lower red circle)
I pulled some anti static plastic over it and taped it, so it could not touch the motherboard.

I reassembled the laptop, now everything is fine :D Not sure my anti static plastic was the cure or something else... Temperatures of the hardware is still the same.

_________________
T61 FrankenPad | T60p frame | 15.0" IPS UXGA flexview + LED | C2D T9300 @ 2,5~2,7 Ghz | T500 fan / T61 heatsink | 4GB dual channel | 256GB SSD Crucial M4 | Intel X3100 | NNB Keyboard | Intel Ultimate-N 6300 WiFi | Win7 x64 + Ubuntu 12.04


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 Post subject: Re: T61 random shutdown
PostPosted: Mon Dec 19, 2011 1:21 am 
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Joined: Thu Aug 14, 2008 7:08 am
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Location: Atlanta, GA
if it happens when on battery then it's your battery that has gone bad.

I changed mine once after it started giving me problems like that, but I didn't run power manager at all for like 3.5 years .. lol, so that pretty much explains it right there.

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T61: 14.1" 1400x1050, T9500 @ 2.8GHz, 4GB RAM CL4, nVidia 140m @ 600/925 MHz, Samsung 830 256GB, DVD-rec, 5300agn, FP, BT, 6-cell, clean XP Pro
T61: 14.1"w 1280x800, T9500 @ 2.8GHz, 4GB RAM CL4, Intel X3100, Samsung 830 256GB, DVD-rec, 4965agn, 4-cell, clean XP Pro


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 Post subject: Re: T61 random shutdown
PostPosted: Tue Dec 20, 2011 4:34 am 
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Joined: Sun Nov 29, 2009 5:35 am
Posts: 127
Location: Leeuwarden, The Netherlands
My random shutdown problem is back after I replaced the integrated wifi card... :cry:
I have a dual boot with Windows XP and it only happens there, not on Ubuntu. Yesterday it happened when I was playing a DVD image which was streamed over the LAN. The laptop just shuts itself completely down, without a warning.

I am sure this is not caused by the battery, mine is still in good condition.
I'm going to reassemble the laptop, hopes that does the trick... and never open ever again after :wink:

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T61 FrankenPad | T60p frame | 15.0" IPS UXGA flexview + LED | C2D T9300 @ 2,5~2,7 Ghz | T500 fan / T61 heatsink | 4GB dual channel | 256GB SSD Crucial M4 | Intel X3100 | NNB Keyboard | Intel Ultimate-N 6300 WiFi | Win7 x64 + Ubuntu 12.04


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 Post subject: Re: T61 random shutdown
PostPosted: Tue Dec 20, 2011 1:50 pm 
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Joined: Thu Aug 14, 2008 7:08 am
Posts: 254
Location: Atlanta, GA
^ I run different wifi as well, no problems.

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T61: 14.1" 1400x1050, T9500 @ 2.8GHz, 4GB RAM CL4, nVidia 140m @ 600/925 MHz, Samsung 830 256GB, DVD-rec, 5300agn, FP, BT, 6-cell, clean XP Pro
T61: 14.1"w 1280x800, T9500 @ 2.8GHz, 4GB RAM CL4, Intel X3100, Samsung 830 256GB, DVD-rec, 4965agn, 4-cell, clean XP Pro


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 Post subject: Re: T61 random shutdown
PostPosted: Mon Jan 02, 2012 4:15 am 
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Joined: Sun Nov 29, 2009 5:35 am
Posts: 127
Location: Leeuwarden, The Netherlands
This problem is driving me crazy... :eek: It occurs also on Ubuntu now... not just on Windows XP. And I have no idea how to fix this problem.

Symptoms:
  • The laptop goes straight to standby while I'm working on it. It is not always standby mode, sometimes it just completely shuts down or resets itself.
  • Sometimes it just hangs, gives a black screen for a couple of seconds, then it reboots... after the full-screen Thinkpad logo I get a black screen, and it reboots again (infinitive loop).
  • At this point I can turn off the laptop and turn it on again, but if I do so it hangs during boot. Only solution is to turn the laptop off and wait for 10~15 minutes and try again. Usually I can use the laptop till the problems repeat.
  • These issues sometimes come after 10 minutes of working on it, sometimes after more than 1 hour. It looks like it starts when I do some more intensive work than just internet browsing, like installing software, copying files, etc.
  • I have a cpu temperature meter on screen; sometimes during these incidents it is only 45 degrees, sometimes 70 degrees, but never higher.
  • These problems happen when on battery power and on AC power.

Does anybody have a clue how to fix this problem?

_________________
T61 FrankenPad | T60p frame | 15.0" IPS UXGA flexview + LED | C2D T9300 @ 2,5~2,7 Ghz | T500 fan / T61 heatsink | 4GB dual channel | 256GB SSD Crucial M4 | Intel X3100 | NNB Keyboard | Intel Ultimate-N 6300 WiFi | Win7 x64 + Ubuntu 12.04


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 Post subject: Re: T61 random shutdown
PostPosted: Mon Jan 02, 2012 7:18 am 
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RBS10000
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Joined: Mon Sep 18, 2006 5:17 am
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Location: Mt. Cobb, PA USA
As has been suggested before, remove the battery, then see what happens.
If the battery shows in Green, it does not necessarily mean the battery is OK.

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 Post subject: Re: T61 random shutdown
PostPosted: Mon Jan 02, 2012 7:22 am 
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Joined: Sun Nov 29, 2009 5:35 am
Posts: 127
Location: Leeuwarden, The Netherlands
I tried it with battery installed and on AC power, and on AC power without battery installed. Unfortunately the same result :cry:

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T61 FrankenPad | T60p frame | 15.0" IPS UXGA flexview + LED | C2D T9300 @ 2,5~2,7 Ghz | T500 fan / T61 heatsink | 4GB dual channel | 256GB SSD Crucial M4 | Intel X3100 | NNB Keyboard | Intel Ultimate-N 6300 WiFi | Win7 x64 + Ubuntu 12.04


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 Post subject: Re: T61 random shutdown
PostPosted: Mon Jan 02, 2012 8:19 am 
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ThinkPadder
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Joined: Thu Sep 22, 2011 2:41 pm
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Location: Hockessin, Delaware
If this happens when playing video, it sounds like high temps were detected in your gpu and the system went into standby to prevent damage.

Monitor your temps with something like thinkpad fan control, your cpu should idle at 60-70 and gpu at 50-60. If one gets up around 90ish, your system will shut down (self protection).

It would also be a good idea to clean and reapply some artic silver #5, but be careful not to much, and make sure you have good contact on GPU and CPU.

I've also seen a bad system board cause this problem. Take a good look at the bottom docking connector, if there is corrosion (one of many things that can cause this), you may have a bad board. On the one I had, I attempted to repair it, it even worked for a while... almost a year, but I'm not going to officially recommend anyone do this, but if you have nothing to lose, then you can give it a try.

Do this at your own risk, and only as last resort if your board has corrosion.

Mix distilled water and baking soda (you only need a few drops so you don't have to buy it, get an inverted cup held over a tea kettle at full boil and catch condensation and let it drip into a small container). Mix up paste and get an old toothbrush and thoroughly clean the connector, then thoroughly clean all the baking soda off the board and dry with a heatgun or hair dryer (to be safe let it set overnight just to be sure it's fully dry).

***Note: This worked for me, but I'm not making any statement on what effects baking soda may have on the electrical components.

Other then that, I can only suggest a new system board, but you might want to try removing/replacing as many components as possible, it's possible (but unlikely) that something is drawing to much current and forcing shutdown.

These may be long-shots, but it's all I can think of without seeing the machine.

Good luck


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 Post subject: Re: T61 random shutdown
PostPosted: Mon Jan 02, 2012 1:13 pm 
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Joined: Sun Nov 29, 2009 5:35 am
Posts: 127
Location: Leeuwarden, The Netherlands
TuuS wrote:
If this happens when playing video, it sounds like high temps were detected in your gpu and the system went into standby to prevent damage.

It happened one time while watching video, but most of the time I was doing something else.

Quote:
Monitor your temps with something like thinkpad fan control, your cpu should idle at 60-70 and gpu at 50-60. If one gets up around 90ish, your system will shut down (self protection).

I use Everest Ultimate in Windows which shows CPU temperature in my system tray. Idle is between 45-60, but stressed it quickly jumps to 75-85. I never have seen it hit the 90 degrees. I have Intel X3100 graphics which are not visible with Everest Ultimate.

Quote:
It would also be a good idea to clean and reapply some artic silver #5, but be careful not to much, and make sure you have good contact on GPU and CPU.

I completely reassembled my laptop about 2 months ago (took it completely apart), and at that time I applied some artic silver #5. After the reassembly, my shutdown problems were gone :) Unfortunately they returned when I installed the Intel 6300 ABGN network card last month :(

Quote:
I've also seen a bad system board cause this problem. Take a good look at the bottom docking connector, if there is corrosion (one of many things that can cause this), you may have a bad board. On the one I had, I attempted to repair it, it even worked for a while... almost a year, but I'm not going to officially recommend anyone do this, but if you have nothing to lose, then you can give it a try.

Do this at your own risk, and only as last resort if your board has corrosion.

Mix distilled water and baking soda (you only need a few drops so you don't have to buy it, get an inverted cup held over a tea kettle at full boil and catch condensation and let it drip into a small container). Mix up paste and get an old toothbrush and thoroughly clean the connector, then thoroughly clean all the baking soda off the board and dry with a heatgun or hair dryer (to be safe let it set overnight just to be sure it's fully dry).

***Note: This worked for me, but I'm not making any statement on what effects baking soda may have on the electrical components.

Other then that, I can only suggest a new system board, but you might want to try removing/replacing as many components as possible, it's possible (but unlikely) that something is drawing to much current and forcing shutdown.

These may be long-shots, but it's all I can think of without seeing the machine.

Good luck

Hmm, I see no signs of corrosion, but I will reassemble the laptop again, clean everything and see what happens.

edit: If that doesn't help, I will replace the motherboard. Unfortunately T61 4:3 boards with Intel Graphics are very hard to find, and if you do, they cost around $400... which is insane in my opinion.
T60 motherboards with Intel graphics are much cheaper, I can get one for approximate $50, but then I will need a T7x00 CPU as well. :? But still, that will be cheaper than only a T61 motherboard.

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T61 FrankenPad | T60p frame | 15.0" IPS UXGA flexview + LED | C2D T9300 @ 2,5~2,7 Ghz | T500 fan / T61 heatsink | 4GB dual channel | 256GB SSD Crucial M4 | Intel X3100 | NNB Keyboard | Intel Ultimate-N 6300 WiFi | Win7 x64 + Ubuntu 12.04


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 Post subject: Re: T61 random shutdown
PostPosted: Tue Jan 03, 2012 3:32 pm 
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Joined: Fri Sep 24, 2010 10:32 am
Posts: 226
Location: Twin Cities, MN
Backslashnl1 wrote:
edit: If that doesn't help, I will replace the motherboard. Unfortunately T61 4:3 boards with Intel Graphics are very hard to find, and if you do, they cost around $400... which is insane in my opinion.
T60 motherboards with Intel graphics are much cheaper, I can get one for approximate $50, but then I will need a T7x00 CPU as well. :? But still, that will be cheaper than only a T61 motherboard.


I've got a T61 (4:3) for sale that I am pretty sure has an Intel GPU chip in it. Complete will all parts and for far less than the $400 you mention just for the M/B.

But yes, this does sound like a MB issue to me. Sorry to hear of your T61 woes....

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 Post subject: Re: T61 random shutdown
PostPosted: Wed Jan 04, 2012 2:40 am 
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Joined: Sun Nov 29, 2009 5:35 am
Posts: 127
Location: Leeuwarden, The Netherlands
Last night I took it completely apart. I cleaned every part with a microfiber cloth (however it wasn't really necessary, but hopefully it helps :roll: ) and reapplied thermal grease (Artic Silver #5) on the CPU and the other chip under the heatsink and reassembled the laptop. Took me about 3,5 hours.

I turned it on and showed me a "thermal warning"... oops, forgot to connect the fan adapter :evil:

At that time it was too late for me to fix it, so at this moment I don't know if my reassemble action pulled off. Tonight or tomorrow I will know more.
If it didn't work, I am interested in your T61 if the price is not too high :)

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T61 FrankenPad | T60p frame | 15.0" IPS UXGA flexview + LED | C2D T9300 @ 2,5~2,7 Ghz | T500 fan / T61 heatsink | 4GB dual channel | 256GB SSD Crucial M4 | Intel X3100 | NNB Keyboard | Intel Ultimate-N 6300 WiFi | Win7 x64 + Ubuntu 12.04


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 Post subject: Re: T61 random shutdown
PostPosted: Thu Jan 05, 2012 4:27 am 
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Joined: Thu Mar 24, 2011 9:50 pm
Posts: 22
Location: New Castle, Pennslyvania
my fan just stopped working. theres no dust :(

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 Post subject: Re: T61 random shutdown
PostPosted: Thu Jan 05, 2012 3:45 pm 
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Joined: Sun Nov 29, 2009 5:35 am
Posts: 127
Location: Leeuwarden, The Netherlands
My FrankenPad back; alive and kicking! 8) Looks like my actions have pulled of.
I have installed a VMWare virtual machine under Ubuntu, ran it for half an hour, rebooted to Windows XP and I was able to play a 1080P MKV file for more than 2 hours, streamed over the network.
And now 30 minutes later it is still running :)

My CPU was 78C after 2 hours of playing the movie:
http://home.concepts.nl/~pc125480/t61_mod/temps.png

And 5 minutes later it was back to 39C:
http://home.concepts.nl/~pc125480/t61_mod/temps2.png

In the meantime I already bought a T7200 CPU for $25, but I will keep it as a spare part in case the random shutdown problems return. I will return to a T60 Intel graphics config in that case, because that is much cheaper.
But for now, I am happy (again) with my T61 FrankenPad :)

Edit: ...And 1 minute later after this post I had a random shutdown :cry:

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T61 FrankenPad | T60p frame | 15.0" IPS UXGA flexview + LED | C2D T9300 @ 2,5~2,7 Ghz | T500 fan / T61 heatsink | 4GB dual channel | 256GB SSD Crucial M4 | Intel X3100 | NNB Keyboard | Intel Ultimate-N 6300 WiFi | Win7 x64 + Ubuntu 12.04


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 Post subject: Re: T61 random shutdown
PostPosted: Sat Jan 21, 2012 2:24 pm 
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Joined: Sun Nov 29, 2009 5:35 am
Posts: 127
Location: Leeuwarden, The Netherlands
I fixed my random shutdown problem... by going back to a T60 config. I really liked this mod, but the instability issues made it an unreliable machine... very annoying.

I decided to go for a T60 motherboard with Intel graphics because of the less heat compared to an Ati graphics motherboard. Next to it I installed a Intel Core2Duo T7600, the fastest CPU available for the T60. I am very satisfied with my T60, again :D I feel it is a little bit slower than the T61 config, but not much. However, the reliability of the T60 config makes up :)

Currently the CPU temperature is about 40C which is about the same as the T9500, but the fan spins more than with the T9500. Strange :?
My new temps:
http://home.concepts.nl/~pc125480/t61_mod/t60_temps.png

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T61 FrankenPad | T60p frame | 15.0" IPS UXGA flexview + LED | C2D T9300 @ 2,5~2,7 Ghz | T500 fan / T61 heatsink | 4GB dual channel | 256GB SSD Crucial M4 | Intel X3100 | NNB Keyboard | Intel Ultimate-N 6300 WiFi | Win7 x64 + Ubuntu 12.04


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 Post subject: Re: T61 random shutdown
PostPosted: Thu Feb 02, 2012 10:17 pm 
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Joined: Sat Jul 16, 2011 11:09 pm
Posts: 9
Location: Sydney, Oz
I've got this random suspend problem too on my T7300 T61p with 15" WUXGA screen. It does indeed appear to be heat related.

For those with the same issue - go download "TPFanControl" - it gives you temperature readouts of everything (CPU/GPU/Mainboard/etc.)as well as manual control over the fans. As a short-term fix, bumping the fan speed will prevent the random sleeps.

In my case, now that it appears to be heat related and not software, I'll have to send it to Lenovo for warranty work - my warranty's up in June of this year. Hopefully I'll get a new mainboard and new GPU out of the deal as my manufacture date is 1month before the cut-off.

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 Post subject: Re: T61 random shutdown
PostPosted: Sun May 06, 2012 7:10 am 
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Joined: Tue Nov 17, 2009 6:12 pm
Posts: 150
Location: Prague, Czech Republic
I began to have this problem after my R500 died on me, went for repair, and was repaired (apparently faulty USB ports. ) the repair guy soldered on other USB ports, he managed to wake up the computer, but the USB do not work anyway.
I restored an old image of my ssd system disk, and the pC worked.
Upon the first boot back from repair, it was unable to boot correctly and stated "error in time and date" or something.
I have entered some fake date, in bios, and then the pC started functioning
However, the soldered USB ports do not work. I am considering some expresscard with USB 3
-however, I started to have the problems described above. PC suddenly going into suspend for no reason.
Also, it seems that the power scheme settings behaved idiotically, i.e. I reset them to Go to suspend: never, and later when I looked, the setting was five minutes.
I installed the latest Power manager, the problem existed, then I removed Power manager.
- I tweaked around bios. Switched off all "clerver" methods of power management, CPU performance regutlation, wake on lan, anyghing that looked a bit sophisticated I turned off
- new chipsed driver, new bios

- TP fancontrol, set on an agressive setting, that is, I am erring on the side of more noise, lower heat.
now standing at CPU/ GPU at 52/40 celsius.


- now I have not seen any shutdown for a while, running on battery. However, this is an intermittent problem. I will see.
The problem occured when I was watching DVD form the DVD drive, and browsing.

- any comments? I do not trust my pc now, but i do not want to pay for a new computer right now.
thanks


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 Post subject: Re: T61 random shutdown
PostPosted: Sun May 06, 2012 8:31 am 
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Joined: Tue Nov 17, 2009 6:12 pm
Posts: 150
Location: Prague, Czech Republic
I paste my post from another thread:

I have a big suspect for the cause
In the power schemes, it becomes reset , the computer changes the settings to "suspend after 5 minutes" on its own...have no idea how this can happen.
do you? I will run a virus test...maybe windows update? I got rid of the Lenovo power manager.
- I am happier for this reason, rather this than a bad mainboard. I have to check the power scheme every time I switch on the pC


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 Post subject: Re: T61 random shutdown
PostPosted: Mon May 07, 2012 10:26 am 
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Joined: Tue Nov 17, 2009 6:12 pm
Posts: 150
Location: Prague, Czech Republic
TuuS wrote:
ear, but I'm not going to officially recommend anyone do this, but if you have nothing to lose, then you can give it a try.

Do this at your own risk, and only as last resort if your board has corrosion.

Mix distilled water and baking soda
Good luck



oh god this sounds scary :D sounds like the guidelines for repairing DVDs. I am not trying it.


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 Post subject: Re: T61 random shutdown
PostPosted: Sat Sep 15, 2012 7:28 am 
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Joined: Sat Sep 15, 2012 7:16 am
Posts: 60
Location: Israel, Galilee
I just found this page on Google when searching for whats the problem with a T61 i am repairing. I figured it out myself finally and sharing what i found

So this is what i think happens

The cooling assembley has 3 contact points : 1 over the CPU which is well secured with 4 spring loaded screws, and 2 over the Nvidia GPU and the North Bridge

There is nothing to hold down firmly the contact between the cooling assembly and the GPU / North Bridge. And the temperatures of them are not displayed in software (on my Arch Linux USB anyway). What i think is, that the cooling assembly does not touch firmly enough the GPU or North Bridge and the contact there breaks, leading to rapid overheating of the component and shutdown

When you took apart the compuer you took out and in the cooling assembly and when you assembled it back it touched the chips better, this made the problem go away

I replaced the thermal paste on the CPU+GPU and also put sme thermal paste on the North Bridge so that it sticks better to the pad on the cooling asembly (did not replace the pad as i dont have a spare). Till now (30 min since repaired) the computer works ok, previously it did shut down every 0 - 5 min including right away during POST

Best Wishes


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 Post subject: Re: T61 random shutdown
PostPosted: Sat Sep 15, 2012 8:54 am 
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Joined: Sun Nov 29, 2009 5:35 am
Posts: 127
Location: Leeuwarden, The Netherlands
In my case it was also heatsink related. I replaced it with an integrated heatsink (since I have Intel graphics) and my problem is gone. Maybe my previous heatsink was bent or something, I don't know.

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T61 FrankenPad | T60p frame | 15.0" IPS UXGA flexview + LED | C2D T9300 @ 2,5~2,7 Ghz | T500 fan / T61 heatsink | 4GB dual channel | 256GB SSD Crucial M4 | Intel X3100 | NNB Keyboard | Intel Ultimate-N 6300 WiFi | Win7 x64 + Ubuntu 12.04


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 Post subject: Re: T61 random shutdown
PostPosted: Sat Sep 15, 2012 7:05 pm 
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Joined: Sat Jul 16, 2011 11:09 pm
Posts: 9
Location: Sydney, Oz
w0mbl3 wrote:
I've got this random suspend problem too on my T7300 T61p with 15" WUXGA screen. It does indeed appear to be heat related.

For those with the same issue - go download "TPFanControl" - it gives you temperature readouts of everything (CPU/GPU/Mainboard/etc.)as well as manual control over the fans. As a short-term fix, bumping the fan speed will prevent the random sleeps.

In my case, now that it appears to be heat related and not software, I'll have to send it to Lenovo for warranty work - my warranty's up in June of this year. Hopefully I'll get a new mainboard and new GPU out of the deal as my manufacture date is 1month before the cut-off.


Confirmed it was heat related - I called Lenovo and a technician turned up next day and replaced the heatsink/fan assembly. Its been rock solid since, and noticeably more comfortable on my lap.

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 Post subject: Re: T61 random shutdown
PostPosted: Sat Sep 15, 2012 9:46 pm 
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ThinkPadder
ThinkPadder

Joined: Thu Sep 22, 2011 2:41 pm
Posts: 1651
Location: Hockessin, Delaware
Ash wrote:
also put sme thermal paste on the North Bridge so that it sticks better to the pad on the cooling asembly (did not replace the pad as i dont have a spare).



I wouldn't recommend putting thermal paste on the pad, you can remove the pad and use thermal paste instead, but using both could make the cooling worse. These pads usually don't work as well as good thermal paste. They used to be used on T60 era GPU chips but was switched to paste with the T61 era. If you do remove the pad make sure to check the proper fit of the platform on the die, but for the most part, the pads provide all the cooling needed on the chipset, unless you have integrated gpu in which case it will use thermal paste from the factory.


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 Post subject: Re: T61 random shutdown
PostPosted: Sun Feb 10, 2013 5:42 pm 
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Joined: Sun Feb 10, 2013 5:32 pm
Posts: 1
Location: High Point, NC
Mine does that too. I got it from a buddy and he installed Windows 7. It just like these that are mentioned will just do a hard shutdown and restart. Hardware issue?


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 Post subject: Re: T61 random shutdown
PostPosted: Fri Sep 06, 2013 3:58 pm 
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Joined: Mon Jan 28, 2013 9:29 pm
Posts: 7
Location: Bucharest, Romania
Hi,
I have a T61p which was shutting down (or going into sleep) when it reached high temperature, so I decided to change the thermal pads (weren't replaced since 2007).
Now it shuts down after a few minutes of watching HD or fullscreen video or even while playing a very old game.
So I decided to change the thermal pads again (thought they weren't installed properly or were too small).
The result was the same.
It's not even overheating but the issue persists.

I have to mention a very important aspect:
In BIOS under Config>Power> it is set:

Intel Speed-Step Technology [Maximum Performance]
Adaptive Thermal Management [Maximize Performance]

If I change them both to [BALANCED] the shutdown never happens, BUT the games are unplayable and you can't even watch properly a 360p YouTube video and it even gets hotter that on Maximum Performance but doesn't shut down ! (weird!)

Might that be the "nVidia FX 570M & 4GB RAM" compatibility issue ?

Any ideas ?

UPDATE:

The issue was solved by replacing the heatsink !

I presume that one of the three heat pipes sticked to the heatsink cracked and was not cooling the GPU properly.
Now it runs great as in the good old times :) .

_________________
ThinkPad T61p 15" (6457CR9)
Intel Core 2 Duo T9500 @2.6GHz / 6MB L2 Cache
nVidia Quadro FX 570m 256MB (1650x1050)
4GB DDR2 @800MHz (2+2)
Kingston SSDnow 300 120GB
WD Scorpio Black 500GB HDD @7200 RPM
9-Cell Battery


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