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| Q1. |
Why can't I establish a USB connection? |
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| A1. |
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Windows XP Users |
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If you are having a problem other than 1) through 3) |
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Improperly installing the USB driver or interrupting installation part way through can cause a question mark or
exclamation point to appear in front of the CASIO driver name (?CASIO QV DIGITAL or !CASIO DIGITAL CAMERA).
If this happens, use the procedure below to install the Windows 2000 USB Filter Driver (Qv2kux.exe).
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| 1) |
Use the USB cable to connect the camera to your computer. |
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| 2) |
Turn on the camera. Open "My Computer" and check to make sure there is no icon indicating a USB connection. |
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| 3) |
On the "Start Menu," select "Control Panel" (Figure 1), "Performance and Maintenance," "System," "Hardware,"
and then "Device Manager" (Figure 2).
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Figure 1
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Figure 2
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| 4) |
In the list, do you see any CASIO driver name with a question mark (?) or explanation point (!) in front of it
(Figure 3)? |
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Figure 3
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| 5) |
Turn off the camera.
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With some camera models, the power switch may be disabled. In this case, disconnect the USB cable. |
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| 6) |
Does the CASIO driver name with the question mark or exclamation point (?CASIO QV DIGITAL, !CASIO DIGITAL
CAMERA, etc.) disappear from the "View devices by type" list (Figure 4)? |
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Figure 4
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| 7) |
Turn the camera back on or reconnect the USB cable.
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| 8) |
Select the problem CASIO device driver (?CASIO QV DIGITAL, !CASIO DIGITAL CAMERA, etc.), and then
click [Uninstall] (Figure 5).
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Figure 5
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| 9) |
In response to the "Confirm Device Removal" dialog box that appears (Figure 6), double-check to make sure that the
correct device driver name is selected, and then click [OK].
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Figure 6
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| 10) |
After confirming that the problem CASIO device driver is deleted, turn off the camera (or disconnect the USB cable),
and then restart your computer.
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| 11) |
Go to the CASIO Website and download the Windows 2000 USB Filter Driver (Qv2kux_e.exe).
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| 12) |
Double-click the compressed file that you downloaded (Qv2kux_e.exe) to extract it. Extracting the file will create
a folder named "Qv2kux_3" (Figure 7), which contains the following files: Qv2kux.inf, Qv2KUX.SYS, readme.txt.
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Figure 7
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| 13) |
Open "My Computer," and then click "Tools," "Folder Options," and then "View." |
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Under "Advanced settings," select the check box next to the "Show hidden files and folders" item under "Hidden files and folders."
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| 15) |
Next, clear the check box next to "Hide file extensions for known file types," click [Apply], and then click
[OK] (Figure 8).
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Figure 8
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| 16) |
Click "My Computer," "C drive," and then "Windows," and then open the "Inf" folder.
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| 17) |
Copy the "usbstor.inf" file (Figure 9) to the Windows desktop.
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Important! |
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The following steps will deregister the CASIO digital camera from the Windows XP mass storage standard USB
driver. A typing mistake can cause you to lose the use of other USB devices. Note that you make the
following changes at your own risk. If you experience problems after performing the following steps, overwrite
your "usbstor.inf" with the copy you made to your Windows desktop.
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Figure 9
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| 18) |
In the "Inf" folder, double-click the "usbstor.inf" file to display its contents in Notepad (Figure 10).
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Figure 10
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| 19) |
Scroll the contents of the "usbstor.inf" file until you find the [Manufacturer] section, and insert a
semicolon (;) and space in front of the line "%Casio.Mfg%=Casio" (Figure 11), so it becomes
"; %Casio.Mfg%=Casio"(Figure 12). This changes the line into a comment so it is not executed.
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Figure 11
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Figure 12
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Scroll the to the [Casio] section, and insert a semicolon (;) and space in front of the line
"%USB\VID_07CF&PID_1001.DeviceDesc%=QV2KUX" (Figure 13), so it becomes
"; %USB\VID_07CF&PID_1001.DeviceDesc%=QV2KUX" (Figure 14). This changes the line into a comment so it
is not executed.
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Figure 13
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Figure 14 |
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| 21) |
After changing the two lines into comment, select "Save" on the "File" menu (Figure 15), and then close the
"usbstor.inf" file.
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Figure 15
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| 22) |
Turn on the camera and then use the USB cable to connect it to your computer. |
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| 23) |
When the "Welcome to the Found New Hardware Wizard" starts (Figure 16), select "Install from a list or specific location" and then click the [Next] button.
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Figure 16 |
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On the "Please choose your search and installation options" dialog box that appears (Figure 17), select
"Search for the best driver in these locations".
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Figure 17 |
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Clear the check box next to "Search removable media" and then select the check box next to "Include this
location in the search".
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| 26) |
Click the [Browse] button and navigate to the "Qv2kux_e" folder that was created in step 12, above. Click the
[Next] button.
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| 27) |
At this point, a message appears to tell you that the driver has not passed Windows Logo testing to verify its
compatibility with Windows XP (Figure 18). Proper operation has been confirmed by CASIO, to click the
[Continue Anyway] button.
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Figure 18 |
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| 28) |
On the "Completing the Found New Hardware Wizard" screen (Figure 19), click the [Finish] button. |
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Figure 19 |
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| 29) |
Open "My Computer" and check to make sure that a "Removable Disk" icon (Figure 20) is present. |
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Figure 20 |
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