回复：dim question! What is the difference between second hard

1. What is the difference between second hard drive (local disk D) and local disk C?

答：如果是只有一个硬盘，如果该硬盘坏了，资料就会全部丢失。如果你有两个硬盘，另外一个硬盘的资料就不会丢失。

2. Can I install application software in local D?

答：完全可以。

3. How can help the computer after install local D, can it improve the compute speed or just get more storage?

答：简单的说这样不会提升电脑的速度，但的确可以增加容量。

4. To reduce the risk of loosing data, does it help if I have copies in both drives?

答：需要保留的资料，完全应该复制到两个硬盘。