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Posts: 34
Registered: ‎06-26-2016
Location: DE
Message 1 of 1 (608 Views)

T460p: BSOD after upgrade of video driver

Hello,

 

I have the following issue with my t460p after I've updated the video driver to version 20.19.15.4416  (r07i616w):

 

Pausing a video (i.e. youtube in a browser)  and continuing after some time leads to a BSOD. This happens reproducible  if screen has been turned off by power manager, while video has been paused.

 

steps to reproduce:

1. in power manager  set the time to switch off screen to 1 minute

2. start playing a youtube video in a browser (in my case google chrome)

3. pause video

4. wait until screen has been turned off

5. continue playing video

 

more informations to BSOD:

BCCode: 1
BCP1: 0000000077CCBBAA
BCP2: 0000000000000000
BCP3: 000000000000FFFF
BCP4: FFFFF8800895BB60
OS Version: 6_1_7601
Service Pack: 1_0
Product: 256_1

 

this does not happen with video driver  20.19.15.4352 (r07i613w).

BIOS is version 2.05. (latest from the lenovo website)

 

Newer drivers downloaded from Intel ( 15.40.22.4424  and 15.40.25.4463) seem to have the same problem.

 

Sometimes system crashes just by using the intel graphics options panel  by selecting video. The picture of the child should be displayed, instead the system crashes.

 

As newer Intel drivers have the same issue, it looks to me that maybe something different coud be triggering this crashes.  Maybe BIOS?  What is the recommended BIOS version to use in a t460p (no Optimus)?

Can I safely downgrade the BIOS version to 2.03 or 2.04?

 

Regards,

Markus

 

 

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