Manuals and User Guides for Lenovo THINKPAD X40. We have 38 Lenovo THINKPAD X40 manuals available for free PDF download: Hardware Maintenance Manual, Troubleshooting Manual, Guide De Maintenance Et D'identification Des Incidents, Service Und Fehlerbehebung, Руководство По Устранению Неполадок, Guía De Servicio Y De Resolución De Problemas, Manual De Assistência E Resolução De Problemas, Supplementary Manual, Guia De Serviço E Resolução De Problemas, Deployment Manual, Manual, Setup Manual