Open Device Manager and Click on "Action". Step 3: Now Click on "Add legacy hardware". If the "Add legacy hardware" option is missing then click on the empty space inside the Device Manager and then click on "Action". ลดกระหน่ำ แบตเตอรี่ acer Z Li-ion mAh สีดำ ทันทีทันใด - laza new 19 Now you should see "Add legacy hardware" option. Step 4: This may be a good Acer Z130 USB when roaming. When you are traveling, manually selecting a network may help[…]