Appendix-A How To Clear The Usb Enumeration Registry - Optoma ES522 Serivce Manual

Delta Elec. Inc.
Appendix-A
How to clear the USB enumeration registry?
Run "regedit" and select the following items
HKEY_LOCAL_MACHINE->SYSTEM->CurrentControlSet->Enum->USB->
The E400/AV/DP2601
The AV/DP2618 series
The AV/DP3618 series
The DP3602 series
The DP3616 series
The DP3622 series
The PR301x series
The PR302x series
The PR50xx series
The EP77x series
The DDP2230 series
The DDP243x series
...
Press <Delete> and remove these registries. (You need the read/write privilege of the Windows registry to delete
it. Select the item and click right mouse will lead you to the Permissions dialog for applying the security options)
Company Confidential
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ES522 & EX532
VID_1501&Pid_2601xxx
VID_1501&Pid_2618xxx
VID_1501&Pid_3618xxx
VID_1501&Pid_3602xxx
VID_1501&Pid_3616xxx
VID_1501&Pid_3622xxx
VID_1501&Pid_2617xxx
VID_1501&Pid_3617xxx
VID_1501&Pid_3622xxx
VID_1501&Pid_3622xxx
VID_1501&Pid_2230xxx
VID_1501&Pid_2230xxx
Optoma___________________ Delta________________
2009/06/30