Hi my laptop runs on XP pro, yesterday all my USB ports have suddenly stopped working.
When I go to the device manager and expand the Universal Serial Bus Controllers, all have a yellow exclamation mark beside them.
When I check their status this is the message: Windows cannot start this hardware device because its configuration information (in the registry) is incomplete or damaged. (Code 19).
I was not in the registry prior to this, so I don't know how it got damaged.
I have followed instructions from here http://support.microsoft.com/kb/310123
I tried this: Click Uninstall, and then click Scan for hardware changes to load a usable driver – no effect.
I tried this: Restart the computer in Safe Mode, and then select Last Known Good Configuration,which rolls back to the most recent successful registry configuration – didn't fix the problem.
Microsoft says that as a last resort, you can edit the registry directly – but I not sure where and what to edit in the registry plus the link provided doesn't go anywhere.
If anyone can tell me what keys to edit in the registry I would very appreciative. I will do anything to avoid reinstall windows from scratch.
I unfortuately didn't have system restore going so I cannot use that.
There is a somewhat similar question in this forum here http://social.answers.microsoft.com/Forums/en-US/vistahardware/thread/e60c03dc-629e-43e7-b476-3863a14ea033
but the answer provided SpiritX MS MVP does not include editing the registry.
Thank you in advance.
