32-bit (x86). Windows XP 64-bit has very limited driver support for Siemens hardware. USB Version: USB 2.0 or higher.
Ensure you have installed for Windows XP. Older versions of XP may not support the necessary USB protocols.
If you do not have the physical disk, you must download the driver package from the official Siemens support portal. pc adapter usb a2 driver windows xp
Disconnect the USB adapter. Go to the Control Panel, open Add or Remove Programs , and perform a "Repair" installation on your SIMATIC STEP 7 software. Reboot, then plug the adapter into a different USB port to force Windows to rebuild the driver stack.
Are you running Windows XP on a or inside a virtual machine ? 32-bit (x86)
To ensure a successful installation on Windows XP, follow this standard procedure: Administrator Rights
Installing the driver is only half the battle. You must explicitly tell your Siemens software to route its communications through the new USB adapter. Open the Windows XP . Double-click the Setting PG/PC Interface utility. Ensure you have installed for Windows XP
Once you have your installation files ready, follow these steps carefully.
Run Setup.exe . If prompted, use the "Run as..." option to select the account.