12. Decode driver errors.  
13. Check application event logs
.  
14. Check if you have a Netware operating system issue
.  
15. Check if you have a Tapeware software issue
.  
16. Check if you have a Colorado Backup issue
.  
17. Check if you have an Arcserve issue
.  
18. HP Support contact details
.  
Software/application 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. 
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Check driver is correct and installed 
Action recommended  Additional information 
Check driver is correct and 
installed. 
Click here for information on drivers and 
operating systems. 
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If NT4 - check driver location in the operating system 
Action recommended  Additional information 
Check operating system drivers in the 
winnt/system32/drivers directory. 
Click here for information on tape 
drive detection and other