Summerbreeze
Jump to navigation
Jump to search
New HP Elitebook 850 G6.
- Issue: black screen when booting with the HP Thunderbolt dock G2
- Raising the laptop lid doesn't fix the issue, both screens are black.
- Seems to occur (more frequently) since the latest docking station firmware upgrade.
- Relevant post: https://community.spiceworks.com/topic/2255741-thunderbolt-dock-230w-g2-outboard-monitor-problems
- In particular:
- Disable Win 10 "Turn on fast startup (recommended)". Can be done via Control Panel or registry (
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Power] "HiberbootEnabled"=dword:00000000
) - Update HP Thunderbolt Dock G2 firmware -> already done (through assistant).
- Update BIOS -> boot in BIOS, select update BIOS. Current BIOS was 1.5.03 (or something), upgraded to 1.6.
- Disable Win 10 "Turn on fast startup (recommended)". Can be done via Control Panel or registry (
- ... problem seems to be fixed now.
- Let's re-enable the fast startup (maybe was still using an old G2 driver).
- ... Still having some issues. Unplug/Plug the docking seems to fix the issue, but I don't want to do that. Possible alternative fixes:
- Keep
"HiberbootEnabled"=dword:00000000
- DONE - Checked FW again, and in fact the docking FW upgrade did fail. Try to reinstall... installed manually, now the installer reports that all components are up-to-date.
- Try with an HDCP monitor, or better yet an HP HDCP monitor.
- See HP Thunderbolt Dock G2 Troubleshoot guide
- Say that Fast Boot must be disabled in BIOS for pre-boot usage. Not sure if this is necessary, or what are the consequences...
- Keep