NEC Express5800/B120b, User Manual

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Installing the Operating System B-65
Recovery process
If "Updating the System" is executed before the application of the "Hotfix for Windows x64
(KB921411)" or "Hotfix for Windows Server 2003 (KB921411)", "!" may be displayed on the USB
root hub.
If "!" is displayed on the USB root hub, perform application of the "Hotfix for Windows x64
(KB921411)" or "Hotfix for Windows Server 2003 (KB921411)" and the "Updating the System"
according to the following process.
1.
Start the Windows Explorer, and click [Tools] and [Folder Options].
2.
Select [Files and Folders] - [Hidden files and folders] - [Show hidden files and folders]
radio button from Advanced settings in the [View] tab.
3.
Check off the following check box in the [Files and Folders] from Advanced settings in
the [View] tab, and then click [OK].
† Hide extensions for know file type
† Hide protected operating system files [Recommended]
When the message "You have chosen to display protected operating system files..." is
displayed, click [Yes].
4.
Make sure of the files.
Open "<System drive:>\WINDOWS\system32\drivers" directory, and make sure
usbhub.sys and usbport.sys are exists in the directory.
If you can not found them, copy the files according to the following process.
(1) Open "<System drive:>\WINDOWS\system32\dllcache" directory.
(2) Copy usbhub.sys and usbport.sys from the directory noted above to "<System
drive:>\WINDOWS\system32\drivers".
5.
Restart the system.
6.
Refer to [Application process of the Hotfix (KB921411)] and apply the "Hotfix for
Windows x64 (KB921411)" or "Hotfix for Windows Server 2003 (KB921411)".
7.
Refer to [Application process of "Updating the System"] and execute "Updating the
System".
8.
Restart the system.
With that, process is finished.