Did you check your system's BIOS Setup for an option like the one described in this post that got an Apple Thunderbolt display working on an XPS 15 system after it wasn't working initially?
@DatTubaMan you didn't find any Thunderbolt settings in the BIOS at all? At an absolute minimum you should have found settings to change the Thunderbolt port security level, which I believe (but am not certain) is required by the spec. Other Dell systems I've seen also have settings to control whether Thunderbolt devices can be used during boot time in order to boot from an Ethernet adapter built into a Thunderbolt dock, for example. This isn't enabled by default because when it is, Thunderbolt devices attached at boot time can bypass port security (and enumerating Thunderbolt devices at boot time can cause problems on systems that use BitLocker, but that's a longer issue.)
If you find those settings, as a test you could try disabling port security entirely, although my guess is that won't solve the issue and it's arguably dangerous anyway. The reason port security exists is because Thunderbolt grants access to PCIe, which is in turn granted direct access to system memory, so with no port security enabled, someone could plug a malicious device into your system and immediately dump the contents of your system memory, which might include passwords, encryption keys, etc.
If there truly aren't any Thunderbolt settings in the BIOS Setup, then there would be nothing to configure, in which case if this isn't working out of the box, then there probably isn't a way to make it work at all.
I managed to connect my apple ext thunderbolt display to my alienware R5 17 via apple thunderbolt 2 to thunderbolt 3 adapter.
But If start up win 10 with the display connected, win 10 stucks on start up while if I start up when the display is not connected it works fine.
Do you have any similar behaviour? I've updated all possible drivers and also I've updated win 10 to 1909 release but the issue is still there. It seems that the display created a kind of conflict with win 10 during start up.
DatTubaMan
6 Posts
0
August 27th, 2019 16:00
I ordered a different adapter (StarTech) to see if the apple adapter is the issue.
jphughan
9 Legend
•
14K Posts
0
August 27th, 2019 20:00
Did you check your system's BIOS Setup for an option like the one described in this post that got an Apple Thunderbolt display working on an XPS 15 system after it wasn't working initially?
DatTubaMan
6 Posts
0
August 29th, 2019 08:00
DatTubaMan
6 Posts
0
August 29th, 2019 08:00
jphughan
9 Legend
•
14K Posts
0
August 29th, 2019 09:00
@DatTubaMan you didn't find any Thunderbolt settings in the BIOS at all? At an absolute minimum you should have found settings to change the Thunderbolt port security level, which I believe (but am not certain) is required by the spec. Other Dell systems I've seen also have settings to control whether Thunderbolt devices can be used during boot time in order to boot from an Ethernet adapter built into a Thunderbolt dock, for example. This isn't enabled by default because when it is, Thunderbolt devices attached at boot time can bypass port security (and enumerating Thunderbolt devices at boot time can cause problems on systems that use BitLocker, but that's a longer issue.)
If you find those settings, as a test you could try disabling port security entirely, although my guess is that won't solve the issue and it's arguably dangerous anyway. The reason port security exists is because Thunderbolt grants access to PCIe, which is in turn granted direct access to system memory, so with no port security enabled, someone could plug a malicious device into your system and immediately dump the contents of your system memory, which might include passwords, encryption keys, etc.
If there truly aren't any Thunderbolt settings in the BIOS Setup, then there would be nothing to configure, in which case if this isn't working out of the box, then there probably isn't a way to make it work at all.
Conrad70
2 Posts
0
February 2nd, 2020 03:00
I managed to connect my apple ext thunderbolt display to my alienware R5 17 via apple thunderbolt 2 to thunderbolt 3 adapter.
But If start up win 10 with the display connected, win 10 stucks on start up while if I start up when the display is not connected it works fine.
Do you have any similar behaviour? I've updated all possible drivers and also I've updated win 10 to 1909 release but the issue is still there. It seems that the display created a kind of conflict with win 10 during start up.
Thank you