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51 Posts

12-04-2009

USA

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Re: T400s random shutdowns

2009-12-22, 8:41 AM

 


wrote:

Well, yet another T-400s random shutdown a few moments ago.  This the first in several days, after a series of 2-3/day experiences last week.

 

Five months on, willing, constructive volunteers on this site are adding fields to spreadsheets to try to help/encourage Lenovo to address this issue.  Five months on, Lenovo engineering remains silent - while Lenovo tech support recommends motherboard replacements - casting at straws vs. offering an engineering solution.

 

Is it time to abandon this platform?  Speaking personally, I'm very close.


Me and several other people on this board have been free of random shutdown for quiet some time now using Intel display driver 1855 for Windows 7 and BIOS 1.11. I believe you run Windows Vista so the Windows 7 drivers that we are using are probably not going to work for you, but perhaps you can find the "equiavalent" Windows Vista drivers. Try 15.13.6.64.1908 or even older drivers (your going to have to do some digging around for older ones). That might fix the shutdown problem for you as well.

 

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21 Posts

10-22-2009

San Diego

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Re: T400s random shutdowns

2009-12-23, 17:50 PM

 


wrote:

 


 

 

....

 

In your case i would certainly not send back you laptop and really try to upgrade your BIOS to 1.11 and downgrade the video driver to 1855, Some page before i have posted a picture showing the config screen where you can do that. When you downgrade the driver your screen will shake, look corrupted, and fall back to VGA mode (which is normal!). Then reboot and install the older 1855 driver (download it before and put the executable on your desktop for example so you can find it easilly when you have rebooted into VGA mode. Then after re-install reboot again and your screen should get back to normal.I really think that is better then sending back the laptop since the problem really seems to be related to the 1968 video driver (maybe in combination with older BIOS versions but i think not) and lots of people already reported (including me) that this fixed their shutdown (and video distortion) problems. I am now one month without shutdowns and use the computer over 8 hours a day as well!

 

Good luck!

 

--

jan


Thanks for your advice. Ok, I won't waste time I don't have to get the system board replaced. I do already have BIOS 1.11. A previous attempt to downgrade my video driver to 1855 from 1986 didn't go well. I couldn't get beyond the video corruption. I'll try to follow your recommendations and try it again. 
For those interested, my shutdowns with BIOS 1.11 and video driver 1986 are averaging once a day.

 

 

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162 Posts

10-21-2009

Netherlands, Hilversum

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Re: T400s random shutdowns

2009-12-23, 19:14 PM

 


wrote:

For those interested, my shutdowns with BIOS 1.11 and video driver 1986 are averaging once a day.

So you are an ideal test case to see if it's really the video driver only that causes these shutdowns. Interesting because with BIOS 1.11 you still have these shutdowns daily. So if you succeed in downgrading the video driver and your daily shutdowns do stop then we can really identify this video driver as the reason of this problem.

 

Let us now! Thanks,

Jan

 

--- Lenovo Thinkpad t440p (20AN-CT01WW) + SAMSUNG MZ7TD512HAGM-000L1 SSD + 16G SDRAM + 14.0FHD 1920x1080 ---
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21 Posts

10-22-2009

San Diego

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Re: T400s random shutdowns

2009-12-23, 22:06 PM

Ok, I was able to uninstall some more recent versions of the video driver including 1986 and 1872. Each time I'd uninstall and restart, the computer would automatically reinstall an earlier version that was on my computer. After it auto-installed 1749, I was able to manually install 1855. So now I have BIOS 1.11 and Intel video driver 1855 installed. I'll let everyone know if I get any more random shutdowns.


wrote:

 


wrote:

For those interested, my shutdowns with BIOS 1.11 and video driver 1986 are averaging once a day.

So you are an ideal test case to see if it's really the video driver only that causes these shutdowns. Interesting because with BIOS 1.11 you still have these shutdowns daily. So if you succeed in downgrading the video driver and your daily shutdowns do stop then we can really identify this video driver as the reason of this problem.

 

Let us now! Thanks,

Jan

 


 

 

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1 Posts

12-24-2009

None

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Re: T400s random shutdowns

2009-12-24, 8:47 AM

I would like to add some notes on t400s

 

I have had random shutdowns ( mostly right after waking up from sleep ) and BSODs that refered to realtek drivers and something else...while doing core dumps.

 

I had bios 1.09 and 1.07, no intel wifi, and still faced crashed two-three times a day which was annoying as hell, considering it's a month old laptop. Also noticed was overheating sometimes around where the CPU is located ( left/top )

 

today i downloaded the latest bios 1.12, installed and rebooted.

also used lenovo thinkvantage updates to download latest 'Access Connections 5.42' wifi management software..this is something that i had initially removed from my laptop because it was slow and i prefered the windows setup.

 

so far in the last 6 hours of usage and lid-closures the laptop has not crashed once. I am being hopeful that it's all fixed.

 

 

on a side note, this laptop was sent in to lenovo support in canada to fix a broken touchpad button when it was shipped newly.. when the laptop came back it felt much less sturdier, still squeeks in certain places. almost feels like the premium i paid for a t400s is not there anymore because of a sub-par repair job. How does lenovo guarantee the sturdyness of this sort of work on a brand new laptop that had to go into the shop? i'm almost curious if they did something wrong because the cpu overheating is more often now than it was back then.

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21 Posts

10-22-2009

San Diego

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Re: T400s random shutdowns

2009-12-26, 0:23 AM

 

Sorry all to report that today, with BIOS 1.11 and Intel video driver 8.15.10.1855 installed I had a random shutdown. My computer was unattended at the time and I had my Firefox browser open, but no other applications that I recall.  So the 1855 driver doesn't seem to solve the problem with this BIOS version. Merry Christmas to all. Lenovo, you get a lump of coal.


wrote:

Ok, I was able to uninstall some more recent versions of the video driver including 1986 and 1872. Each time I'd uninstall and restart, the computer would automatically reinstall an earlier version that was on my computer. After it auto-installed 1749, I was able to manually install 1855. So now I have BIOS 1.11 and Intel video driver 1855 installed. I'll let everyone know if I get any more random shutdowns.


wrote:

 


wrote:

For those interested, my shutdowns with BIOS 1.11 and video driver 1986 are averaging once a day.

So you are an ideal test case to see if it's really the video driver only that causes these shutdowns. Interesting because with BIOS 1.11 you still have these shutdowns daily. So if you succeed in downgrading the video driver and your daily shutdowns do stop then we can really identify this video driver as the reason of this problem.

 

Let us now! Thanks,

Jan

 


 

 


 

 

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162 Posts

10-21-2009

Netherlands, Hilversum

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Re: T400s random shutdowns

2009-12-26, 8:41 AM

 


wrote:

 

Sorry all to report that today, with BIOS 1.11 and Intel video driver 8.15.10.1855 installed I had a random shutdown. My computer was unattended at the time and I had my Firefox browser open, but no other applications that I recall.  So the 1855 driver doesn't seem to solve the problem with this BIOS version. Merry Christmas to all. Lenovo, you get a lump of coal.

That sucks. So what did others (and i) change that caused the shutdowns to stop? I didn't change any BIOS settings. Only updated the BIOS (running 1.12 now btw) and the graphics drivers. Sudden shutdowns are mostly related to battery problems. But in my case i didn't change anything there as well.

 

 

--- Lenovo Thinkpad t440p (20AN-CT01WW) + SAMSUNG MZ7TD512HAGM-000L1 SSD + 16G SDRAM + 14.0FHD 1920x1080 ---
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1 Posts

12-25-2009

Canada

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Re: T400s random shutdowns

2009-12-26, 22:02 PM

 


wrote:

I would like to add some notes on t400s

 

I have had random shutdowns ( mostly right after waking up from sleep ) and BSODs that refered to realtek drivers and something else...while doing core dumps.

 

I had bios 1.09 and 1.07, no intel wifi, and still faced crashed two-three times a day which was annoying as hell, considering it's a month old laptop. Also noticed was overheating sometimes around where the CPU is located ( left/top )

 

today i downloaded the latest bios 1.12, installed and rebooted.

also used lenovo thinkvantage updates to download latest 'Access Connections 5.42' wifi management software..this is something that i had initially removed from my laptop because it was slow and i prefered the windows setup.

 

so far in the last 6 hours of usage and lid-closures the laptop has not crashed once. I am being hopeful that it's all fixed.

 

 

on a side note, this laptop was sent in to lenovo support in canada to fix a broken touchpad button when it was shipped newly.. when the laptop came back it felt much less sturdier, still squeeks in certain places. almost feels like the premium i paid for a t400s is not there anymore because of a sub-par repair job. How does lenovo guarantee the sturdyness of this sort of work on a brand new laptop that had to go into the shop? i'm almost curious if they did something wrong because the cpu overheating is more often now than it was back then.


 

 

I still had two crashes on the same day after upgrading the last time around, even with 1.12 bios and 1855 video driver, even after upgrading the access connections manager to latest.

 

i searched a bit and found that i could debug the crash dump files with windbg from microsoft, and following that i found the crash happening via the wireless lan card ( non intel ).. I updated from:

 

realtek 8192se driver version 2005.0.730.2009 date 2009-07-30

 

to driver version

 

2007.1.1002.2009 built by winddk, dated 2009-10-02 -- this was available on realtek's website but not via lenovo.

so far the last two days have not seen any crashes at all, and sleep wakes seem to be faster.

 

i'd suggest people try it out -- to see if it helps.

 

the squeekyness of the built of the system has progressively gotten worse on the other hand :(

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63 Posts

10-20-2009

Copenhagen

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Re: T400s random shutdowns

2009-12-31, 15:52 PM

Just had another shutdown. This is my first after getting latest bios 1.12. I was just browsing using Opera 10.10 in windows 7. I am so delighted that I still have shutdowns...... I think I have gone mad....what else could have happened?!!!..... I AM NOT GOING TO BUY ANOTHER LENOVO......... :smileymad:

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162 Posts

10-21-2009

Netherlands, Hilversum

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Re: T400s random shutdowns

2009-12-31, 15:59 PM

So it's not over yet!! Just a minute ago it happened to me again after almost two months without any poblems. I did have the laptop (on power) on my lap for about two hours or so (quite a long time) which i normally don't. When i run it at work where it's on whole day long, the laptop is on a table and the environment is much cooler than at home on my lap.

 

Usually these kind of problems are battery related. Now i am wondering and almost convinced that this has nothing to do with whatever drivers, bios version or whatsoever, but it's simply some kind of battery problem (sensors?) that causes the PC to suddenly shutdown.But this shouldn't happen!!

 

I did upgrade to bios 1.12 though when it came out. This is difficult to chase down. With 1.11 i never had a shutdown. But who knows i would also have had this one with 1.11? Who knows!?

 

--

jan

--- Lenovo Thinkpad t440p (20AN-CT01WW) + SAMSUNG MZ7TD512HAGM-000L1 SSD + 16G SDRAM + 14.0FHD 1920x1080 ---
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