HP Elite Dragonfly 13.5 Maintenance and Service Guide - Page 115

Storage, Back up all critical data before troubleshooting the drive.

Page 115 highlights

Table 6-45 Issues, possible causes, and fixes (continued) Items Procedures 4. Verify that Windows Device Manager detects the TB device. 5. Verify cable connection to TB port. 6. Test with a verified working TB board, if possible. NOTE: Thunderbolt is new technology. Thunderbolt cable and Thunderbolt device must be compatible with Windows. To determine whether your device is Thunderbolt Certified for Windows, see https://thunderbolttechnology.net/products. Storage Use this information to troubleshoot storage issues. NOTE: ● Back up all critical data before troubleshooting the drive. ● Before contacting support, HP recommends that you run a drive (HDD, SSD, M.2 drive) test using the HP PC Hardware Diagnostics (UEFI) tool on the suspected failed drive. ● Diagnose the hard drive using BIOS, Diagnostics built in the shipping image, or an external USB ( http://www8.hp.com/us/en/campaigns/hpsupportassistant/pc-diags.html?jumpid=va_r602_us/en/any/pps/pl_ot_ob_d ). ● HP recommends the drive quick test to quickly (less than 10 minutes) identify the malfunctioning drive. If the issue still exists, run Extensive Test (more than 2 hours, or loop mode, which runs until an error occurs). 106 Chapter 6 Troubleshooting guide

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Table 6-45
Issues, possible causes, and fixes
(continued)
Items
Procedures
4.
Verify that Windows Device Manager detects the TB device.
5.
Verify cable connection to TB port.
6.
Test with a verified working TB board, if possible.
NOTE:
Thunderbolt is new technology. Thunderbolt cable and Thunderbolt device must be
compatible with Windows. To determine whether your device is Thunderbolt Certified for
Windows, see
https://thunderbolttechnology.net/
products
.
Storage
Use this information to troubleshoot storage issues.
NOTE:
Back up all critical data before troubleshooting the drive.
Before contacting support, HP recommends that you run a drive (HDD, SSD, M.2 drive) test using the HP
PC Hardware Diagnostics (UEFI) tool on the suspected failed drive.
Diagnose the hard drive using BIOS, Diagnostics built in the shipping image, or an external USB
(
).
HP recommends the drive quick test to quickly (less than 10 minutes) identify the malfunctioning drive.
If the issue still exists, run Extensive Test (more than 2 hours, or loop mode, which runs until an error
occurs).
106
Chapter 6
Troubleshooting guide