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

T460p Boot Issue



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.




Best Regards

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.


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

Re: T460p Boot Issue



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


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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