1.  Run Device Analysis Test in Library and Tape Tools.  
2.  Run Read/Write test in Library and Tape Tools
.  
3.  Test media using Media Validation Test in Library and Tape Tools
.  
4.  Check the drive has been cleaned
.  
5.  Upgrade to latest firmware
.  
6.  HP Support contact details
.  
Read/write troubleshooting details 
Run Device Analysis Test in Library and Tape Tools 
Action recommended 
Additional 
information 
Run the 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. 
Back to Start of Section 
Back to Top 
Run Read/Write test in Library and Tape Tools 
Action recommended 
Additional 
information 
Run the Read/Write test in HP Library and Tape Tools 
(L&TT). 
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 
Click here for 
information on HP 
Library and Tape 
Tools.