User's Manual for English Edition
Page 84
...please check the battery contacts, otherwise visit a local service center for replacement. The problem may also be in the MB, HDD, or NB; Problem might be caused by the operating system, try restoring your data to decrease system load. 3. You must backup all your system...? 1. Problem caused by some viruses, use anti-virus software to detect them to another location before recovering. IMPORTANT! Adapter problem; Battery problem; Hardware Problem - Mechanical Problem - If you have many applications running (see whether the Notebook PC has a WLAN card under...
...please check the battery contacts, otherwise visit a local service center for replacement. The problem may also be in the MB, HDD, or NB; Problem might be caused by the operating system, try restoring your data to decrease system load. 3. You must backup all your system...? 1. Problem caused by some viruses, use anti-virus software to detect them to another location before recovering. IMPORTANT! Adapter problem; Battery problem; Hardware Problem - Mechanical Problem - If you have many applications running (see whether the Notebook PC has a WLAN card under...