Oh man! There is a vertical line on my gba screen!

No~~When I was playing 007 this morning, a vertical line popped out on my gba screen. I thought that was some sort of laser, but no, that was some technical problem. I heard that we can fixed it by adjusting the screen adjuster inside the machine, but it just doesn't seem work. Bad luck!
(May be I need to buy a new one some day. To be honest, my old one only costs me 6% after all.)
Any one has any idea any way?
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Oh, One thing to add: I am new here.

There goes 6% of your LCD pixel. Had there been a horizontal line, it would have felt like owning a dual screen NDS. :PYou could always try to find an LCD replacement, it must have busted after prolong use. Or you could always opt to buy the NDSL as it got a 2nd slot allowing you to play GBA carts on it.