11-25-2009 07:38 AM
I bought a Lenovo U350 with Vista preinstalled. I installed Windows 7. I noticed that system randomly crashed during hybernation or resume process: after about half an hour of trying to "hybernate" or "resume", the system forces a shutdown.
I performed a clean install of Windows and tried to isolate the problematic driver (one driver every 2-4 days, performing lots of sleeps and hybernations in between). The problem occurs ONLY if the Lenovo Energy drivers are installed (IN1EGC02WW5.exe)
The issue is that without "energy" drivers, I can't use ambient light sensor and bluetooth, since the Fn+F5 key interface doesn't work.
The following is logged in system log:
11-27-2009 01:01 AM
Indeed. Current drivers (http://consumersupport.lenovo.com/en/DriversDownloads/drivers_show_1814.html) are declared as for W7.
It would also be welcome if Lenovo would provide their standing on this issue.
12-16-2009 10:28 AM
Did the rest of the drivers and other Fn key combinations are working as expected?
Iam about to receive my Win 7 upgrade DVD soon, and I'm excited.
12-16-2009 11:57 PM - edited 12-16-2009 11:59 PM
Welcome to Lenovo Forum!
Thanks for your posting and i am impressed with your patience to help iron out the possible root cause of the issue.
System crash is very serious and I know another forum member pak has reported the same. I would like to collect some machine info from you for escalation and get engineeres to look into it.
Thanks for pointing this out!
12-17-2009 02:08 AM
Cleo, thank you for your attention.
OS: Windows 7 32bit, Ultimate, in English
MO: QB09081121 (I hope this is the number you seek, written just next to the serial number)
If there is interest, I can provide the minidump file.
Yours, Ziga Dolhar
12-23-2009 09:16 AM
I use to have this exact sam problem. I downloaded the latest video card drivers from the Lenovo website for the U350 and installed the latest Synaptic drivers from synaptics.com and the problem went completely away!
I also have a U350 with W7 64bit.
12-23-2009 07:47 PM
12-24-2009 01:05 AM
I took the photo of the white label and am sending it to you by way of a separate private message. I think this should be the easiest way to determine the number you seek .
In the meantime, I (again) installed the supspect problematic driver this monday. Thus far, the computer has not crashed a single time. However, the difference this time is that I have NOT enabled the ALS (ambient light sensor) control, which I did previously.
I will continue to have it off for the next few days just to be sure; then, I'll have it turned on and see if the crashes return.