W520 Freeze After POST with 4TB USB3 Drive Connected to Dock

Our W520 PCs freeze right after BIOS POST and just before our PGP login screen whenever a 4TB USB drive is connected.
If I disable USB UEFI BIOS Support, it boots without freezing, but then my USB keyboard and mouse do not work.
I either have to boot fully into Windows outside of the dock, or unplug the USB 4TB drive.
I have the latest 1.39 BIOS. I see there was a prior BIOS fix for the same issue with 3TB drives. Can another fix be created?

Schwing wrote:
This is a Hitachi external drive that has no issues with other PCs. As BIOS 1.38 seemed to fix the issue with 3TB drives, should there be a similar fix for 4TB drives?
The enclosure is also Hitachi?
If you boot with the drive unplugged from the W520, then plug it in after Windows is running, does it work properly then?

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On start up Imac freezes on light blue screen with external hard drive connected via firewire. Starts okay without hard drive connected. I have repaired the drive with no resolution of the problem.

tpetrini wrote:
On start up Imac freezes on light blue screen with external hard drive connected via firewire.
You might try starting the iMac in "verbose mode" by holding down command-V when booting:
http://support.apple.com/kb/HT1492
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is there a way to use time machine with a backup drive connected to my AirPort Extreme?

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Apologies if this has been discussed but I have been unable to find a solution or explanation after searching here and on other forums.
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Message was edited by: andrewcarter

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Using Time MACHINE with a USB drive connected to an Airport Extreme

Disclaimer: Apple does not necessarily endorse any suggestions, solutions, or third-party software products that may be mentioned in the topic below. Apple encourages you to first seek a solution at Apple Support. The following links are provided as is, with no guarantee of the effectiveness or reliability of the information. Apple does not guarantee that these links will be maintained or functional at any given time. Use the information below at your own discretion.
Please click here:
|
Using Time Machine with an Airport Extreme AirDisk
|
Note: If you got here by clicking a link that looks like this:
_. . . discussions.apple.com/thread.jspa?threadID=2299608#Q1_
Note the number at the end, after the +*pound sign,+* (#) and click the corresponding item below:
Please pardon the inconvenience.
|
QUESTIONS
*Q1. Can I use the USB drive(s) for Time Machine backups AND other data?*
*Q2. How do I set up Time Machine to back up to a USB drive connected to my Airport Extreme?*
*Q3. How do I delete backups?*
*Q4. How do I back-up my backups?*
If you don't see your question here, try Time Machine - Frequently Asked Questions.
|
PROBLEMS
*P1. The Backup disk image could not be created.*
*P2. Time Machine could not complete the backup . . sparsebundle could not be accessed. (Error 109).*
If you don't see your problem here, try Time Machine - Troubleshooting
This is the 3rd version of this tip. It was submitted on May 16, 2010 by Pondini.
Do you want to provide feedback on this User Contributed Tip or contribute your own? If you have achieved Level 2 status, visit the User Tips Library Contributions forum for more information.

Hi, Nubz!
Yes, I just saw that, and am still chuckling.
Maybe that will mollify the Jive gods?
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Originally posted by MSUHattrick
fixed... just had to disable Legacy USB support
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