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Zippi
Fanfold Paper
Posts: 9
Registered: ‎11-10-2016
Location: DE
Views: 1,146
Message 1 of 3

T460p Boot Issue

Hello,

 

we just purchased 56 T460p.

 

Eight Devices are currently rolled out to our workers.

 

After a few weeks four of them do a endless reboot (Red Logo, trying to boot SSD, Red Logo...). No further Error-MSG.

The devices has different runtimes.

 

OS: Windows 7 SP1 x86

 

One device get a new systemboard, everything fine, till now.

 

Reset UEFI - no luck

Trying to boot from different Media (USB, PXE etc.) - no luck

Removing CMOS-Battery - no luck

Removing SSD, WiFi etc. - no luck

RAM Exchange - no luck

 

After the fourth device failed, i do some deeper UEFI-Settings investigation.

Security-Chip has the following Configuration: Discrete TPM, Intel TXT enabled

 

Doing some Tests with non booting devices, following results:

 

Disable SecurityChip - success

Enable SecurityChip - no success

 

Enable SecurityChip, Disable Intel TXT - success

Enable SecurityChip, Enable Intel TXT - no success

 

Enable SecurityChip, Enable Intel TXT, Clear SecurityChip - success

 

Don't know if clearing is a long time solution. Disabling SecurityChip or Intel TXT seems to be no good solution.

 

UEFI: Different Versions: 2.07, 2.09, 2.11

 

Maybe no one can help with this, but hopefully any Lenovo Employee looking at this and get the Information to the right Person.

 

Thanks,

 

Best Regards

aUserHasNoName
802.11n
Posts: 172
Registered: ‎06-26-2016
Location: DE
Views: 970
Message 2 of 3

Re: T460p Boot Issue

 

Just out of curiosity. Have you been able to solve this issue? If so, could you please provide some info?

 

Thank you.

 

Zippi
Fanfold Paper
Posts: 9
Registered: ‎11-10-2016
Location: DE
Views: 922
Message 3 of 3

Re: T460p Boot Issue

Hi,

 

the issue isn't resolved. After escalating it to Lenovo they replied us with following hint:

 

https://support.lenovo.com/de/de/solutions/ht502490

 

But the hint doesn't work.

 

One of the failing Devices was shipped to L2-Support. They were been able to reproduce it with our Device but not with their own Devices.

 

Our Devices is now at L3-Support (PE).

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