回复：哪位高手能修复我的Fujitsu Laptop？非常棘手难题。

Try This

(A)Boot Up
(B)ALT-CTRL-DEL -> Start Task manager
(C)New Task -> CMD
(D)under dos prompt -> C:\REGEDIT.EXE
(E)HKEY_LOCAL_MACHINE -> SOFTWARE -> MICROSOFT -> MICROSOFT -> WINDOW NT -> CURRENT VERSION -> WINLOGON
(F) Check the SHELL value is "explorer.exe",如果不是, change the value ro "EXPLORER.EXE"