User Manual

10
Troubleshooting
This chapter includes the following topics:
Installing, Partitioning, and Formatting the Drive
Frequently Asked Questions
If you have problems installing or using this product, refer to this troubleshooting
section or visit our support website at http://support.wdc.com and search our
knowledge base for more help.
Installing, Partitioning, and Formatting the Drive
How to
Knowledge Base Answer ID
Partition, and format a WD drive on Windows
(10, 8, 7) and macOS
3865
Convert a macOS GPT partition to an NTFS
partition in Windows 7
3647
Download software, utilities, firmware
updates, and drivers for WD products (from
the Downloads Library)
7
Format a WD external hard drive in exFAT or
FAT32*
291
*The FAT32 file system has a maximum individual file size of 4 GB and cannot create partitions larger
than 32 GB in Windows. To create partitions larger than 32 GB in FAT32 when reformatting the drive,
download the External USB/FireWire FAT32 Formatting Utility from http://support.wdc.com/
downloads.aspx?p=34. Windows users can avoid these size limitations by formatting the drive to
exFAT.
For further details, see:
Answer ID 291 at http://support.wdc.com
Article IDs 314463 and # 184006 at https://support.microsoft.com
The appropriate third-party software documentation or support organization
Frequently Asked Questions
Why is the drive not recognized under My
Computer or on the computer desktop?
If your system has a USB 3.1, USB 3.0 or USB 2.0
PCI adapter card, be sure that its drivers are
installed before connecting your WD USB 3.1
external storage product. The drive is not
recognized correctly unless USB 3.1, USB 3.0 or
USB 2.0 root hub and host controller drivers are
installed. Contact the adapter card manufacturer
for installation procedures.
Why won't my computer boot when I connect
my USB drive to the computer before booting?
Depending on your system configuration, your
computer might try to boot from your WD
portable USB drive. Refer to your system’s
Troubleshooting
My Passport
Ultra
User Manual
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