Laptop screen flickers. Help!

The screen flickers, sometimes constantly but sometimes occassionally. Can somebody tell me what kind of problem it might be and how to fix it.

Thanks a lot.

所有跟帖： 

• probably because you never -asdf17- ♀ (0 bytes) () 03/05/2004 postreply 18:57:21

• turn it off!or its the qulity -asdf17- ♀ (135 bytes) () 03/05/2004 postreply 19:02:10

• 背光灯有问题，和老日光灯管一个道理 -tty- ♀ (0 bytes) () 03/05/2004 postreply 21:37:08

• could you tell a little more? -HPlaptop- ♀ (85 bytes) () 03/05/2004 postreply 22:30:00

• 两个可能，灯管坏了，整流器坏了，都要开机盖 -tty- ♀ (0 bytes) () 03/06/2004 postreply 10:02:55