Western Digital wdbaag0010hch ユーザーガイド
MY BOOK FOR MAC
USER MANUAL
TROUBLESHOOTING – 52
Troubleshooting
This chapter includes the following topics:
If you have problems when installing or using this product, refer to this troubleshooting
section or visit our support website at
section or visit our support website at
for more help.
Installing, Partitioning, and Formatting the Drive
*
The FAT32 file system has a maximum individual file size of 4 GB and cannot create partitions larger than 32 GB in Windows;
however, Windows users can overcome these file size limitations by formatting the drive to NTFS using the Disk Management
utility. See answer ID 1287 at support.wdc.com and article IDs 314463 and 184006 at support.microsoft.com for further details.
To create partitions larger than 32 GB in FAT32 when reformatting the drive, download the External USB/FireWire FAT32 For-
matting Utility from support.wdc.com/download.
utility. See answer ID 1287 at support.wdc.com and article IDs 314463 and 184006 at support.microsoft.com for further details.
To create partitions larger than 32 GB in FAT32 when reformatting the drive, download the External USB/FireWire FAT32 For-
matting Utility from support.wdc.com/download.
Frequently Asked Questions
Q:
How do I determine whether or not my system supports USB 2.0?
A:
Refer to your USB card documentation or contact your USB card manufacturer.
Note: If your USB 2.0 controller is built into the system motherboard, be sure to install the appropriate chipset
support for your motherboard. Refer to your motherboard or system manual for more information.
support for your motherboard. Refer to your motherboard or system manual for more information.
Q:
What happens when a USB 2.0 device is plugged into a USB 1.1 port or hub?
A:
USB 2.0 is backward compatible with USB 1.1. When connected to a USB 1.1 port or hub, a USB 2.0
device operates at the USB 1.1 full speed of up to 12 Mbps.
device operates at the USB 1.1 full speed of up to 12 Mbps.
Q:
Why is the data transfer rate slow?
A:
Your system may be operating at USB 1.1 speeds due to an incorrect driver installation of the USB 2.0
adapter card or a system that does not support USB 2.0.
adapter card or a system that does not support USB 2.0.
If your system includes a PCI slot, you can achieve Hi-Speed USB transfer rates by installing a USB 2.0 PCI
adapter card. Contact the card manufacturer for installation procedures and more information.
adapter card. Contact the card manufacturer for installation procedures and more information.
Note: If an additional external drive is connected to the WD product, USB bandwidth is shared and may affect
performance.
performance.
Q:
Why does the drive not power up?
A:
Be sure the drive is plugged in to a power source. A special cable may be needed for computers with
limited bus power. For more information in the U.S., visit our Web site at store.westerndigital.com. Outside
the U.S., contact WD Technical Support in your region.
limited bus power. For more information in the U.S., visit our Web site at store.westerndigital.com. Outside
the U.S., contact WD Technical Support in your region.
Q:
Why is the drive not recognized under My Computer or on the computer desktop?
A:
If your system has a USB 2.0 PCI adapter card, be sure that its drivers are installed before connecting your
WD USB 2.0 external storage product. The drive is not recognized correctly unless USB 2.0 root hub and
host controller drivers are installed. Contact the adapter card manufacturer for installation procedures.
WD USB 2.0 external storage product. The drive is not recognized correctly unless USB 2.0 root hub and
host controller drivers are installed. Contact the adapter card manufacturer for installation procedures.
How to
Answer ID
install, partition, and format the drive in Windows XP and Vista
207, 3322
install, partition, and format the drive to Mac OS X 10.4.11 and 10.5+
287, 3323
reformat from Mac GPT to Windows XP NTFS
3645
reformat the drive from Mac GPT to Windows Vista NTFS format
3647
obtain and reinstall the original software included with this product
1425
format the drive to the FAT32 file system*
1364
use the drive on a Mac and a PC simultaneously
291
8