'我的電腦' 入面沒有顯示卸除式磁碟 !! [救到我必放20分(愈快愈好)]!!

This happened because a device name crashed.

try the following:
1) right click on 我的電腦 -> 管理(Manage)
2) go to Disk Management, in here, it should list out all your storage device, incl.: HDD, CD/DVD rom, USB...
3) right click on the device you want, ie your PSP
4) choose change driver letter and path
5) click change
6) Assign it to an un-used drive letter
7) click OK

go back to your My computer then you will your PSP again gar la...

*sorry...have to type in English...hope this will help.

試吓改插机背的 USB 又或者電力不足改用濕電，另外拔除其他多餘嘅 USB device 試吓啦！