Check connectivity with Library and Tape Tools 
Action recommended 
Additional 
information 
Check connectivity with HP Library and Tape Tools (L&TT). 
Run Device Analysis Test in HP Library and Tape Tools 
(L&TT). Follow any troubleshooting given with the test 
results. 
NOTE:  
Due to issues in development Library and Tape 
Tools cannot be reliably used to diagnose potential 
issues with the DAT 40 Hotplug drive (Q1546A 
only). This problem is currently being investigated 
and will be corrected in the next revision of Library 
and Tape tools. This note will be updated once the 
problem has been corrected but until then do not 
use Library and Tape Tools to diagnose issues with 
this product. This problem only relates to the 
Q1546A product, no other DAT 40 variants are 
affected. 
Click here for 
information on HP 
Library and Tape 
Tools. 
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Check for Operating System or application issues 
Action recommended  Additional information 
Check for any other O/S or 
application issues. 
See the Software/Application Issue 
troubleshooting section. 
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HP Support contact details 
Action 
recommended 
Additional information 
Contact HP Support.  
Click here for information on calling HP and other ways to 
contact HP for technical support. 
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Read/write issue 
Try in the following order: