autre procedure qui devrait fonctionner d apres le posteur sur un autre forum
mais c au cas ou la première manipulation ne fonctionne pas
1. Uninstall the software (use the uninstall procedure).
2. Make sure you reboot without background programs:
Click Start\Run and type msconfig: remove all √ at the startup-tab.
3. Shutdown the PC.
4. Disconnect the scanner from the PC and unplug the power of the scanner.
5. Start the PC.
6. Remove remaining Registry-settings
Click on Start\Run and type regedit.
Remove:
(If the removal is not allowed, rightclick on the registry-key and change the Permissions.)
Hkey_current_user/software/hewlett packard
Hkey_local_machine/software/hewlett packard
HKEY_LOCAL_MACHINE/System/CurrentControlSet/Enum/USB/VID... PID_0205
7. Remove remaining files in Windows directories:
- Goto Windows\Inf and rename
- UNKNOWN.INF to UNKNOWN.OLD
- HPSCANMS.INF to HPSCANMS.OLD
- Click Start\Run and type twain_32: delete everything from the directory that opens.
- Click Start\Run and type temp: delete everything from the directory that opens.
8. Empty your Recycle bin.
9. Remove USB-controllers:
Right-click My Computer and choose Properties\Hardware\Device Manager
Click on X before USB-controllers
Remove USB Main Hubs or USB Root Hubs or USB Basic Hubs (select the item and hit Delete).
10. Close all open windows.
11. Reboot the PC.
12. Install the HP software again.
13. Reconnect the power of the scanner.
14. Reconnect the scanner to the PC.
The computer notifies you that new hardware was found and the drivers will be installed automatically.
15. Make sure you reboot with background programs:
Click Start\Run and type msconfig: mark all programs again at the startup-tab.
16. Reboot to make this effective.
