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Win 98 forgets USB settings

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4 replies

by mikejkemp

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Any body know a Registry Fix for the following?
I have a Tosh Laptop with a USB ISDN config loaded. When I reboot the PC with the USB connected it does not 'remember' that the cable is there and I have to either restart the software or pull out the cable and stick it back in again.
I have already 'fixed' this on another Tosh by making a change to its registry - but I cannot remember where I saw the 'fix' nor the changes I made. Does this 'ring a bell' with anyone - please!!!?

4 replies

by thamer

This problem may occur because when no device is connected to a USB port, the USB driver sets the OHCI (Open Host Controller Interface)controller to suspend. When the OHCI controller is in a suspend state, it cannot always detect when you add a new USB device to your computer.

What I suggest is that you visit Windows updates:
http://windowsupdate.microsoft.com/
... and let it find all the neccessary updates, SP and hotfixes ... update your system with the required files and then reboot ...

Does your system remember now remembers your USB?

(We will try and work a solution by adding a new key in your registry ... next ... but you have to have your system updated 1st)

by mikejkemp

Unfortunately I've been through that process several times; even trying selective application of the updates, SP and hotfixes. I had to revert to orginal installation, using a ghost image, each time because some combinations of the 'fixes' actuallymade matters worse!
I am convinced that I only require a 'registry fix' because that's how I fixed the other Tosh - but, despite extensive searching through the registries, I still cannot tie down the significant difference.

by thamer

Okay,... since you are looking in the other Tosh which you made the regestry fix in ... Open the Regestry Editor(Regedit.exe) in this machine, locate the following key and examine the differences.

HKEY_LOCAL_Machine\SYSTEM\Enum\Usb

Also, locate and examine the differences in the following Key registry (if there is):

HKEY_LOCAL_Machine\SYSTEM\CurrentControlSet\Services\Usb

by thamer

You may also want to search the registry of the fixed machine for the following registry value.

SelectiveSuspend

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