When I turn there is pink thin vertical line appearing on my 17" i Mac dual core computer, which was not there before!

We recommend that you test other inputs and devices on the TV to see if the lines appear only on 1 device or type of cable connection.

Keywords: thin, red, pink, line, lines, bars, bar, vertical, up, down

May be this is a problem of your Graphics Drivers. Try to have your Graphics Drivers updated.
You can get your all updated drivers from this link. Please select your correct Operating System (XP/Vista/7) to have all the drivers that support your Laptop model. To have the Video Drivers click on Video in the given link.

Upgrade the drivers from here

There is a problem with the monitor. Try resetting the SMC:

http://support.apple.com/kb/ht3964

If that does not resolve the issue, it will need repair.

change your vga setting and monitor setting by right clicking on desktop try using your monitor different htz setting in advance tab and monitor setting

Sounds like a hardware problem. You should probably return it as soon as possible.

Detach the monitor from the cpu and turn it on. If the same vertical line appears then take it to the repair centre.

It is the problem of monitor pcb in vertical section.check vertical ic for dry soldring. Resolder the ic if problem still on then change ic or check components related ith it. check continuity of vertical deflection coil.
Hope this be of initial help/idea. Pls post back as requested, how things turned up or should you need additional information.
Good luck and kind regards.
Thank you for using FIXYA.

that is the screen burned out. if still have a warranty return to company and get a return/exchange.

i have a samsung 15inch monitor.which is only 6month old.giving blue vertical line along the right side of monitor (almost 2 inches from right side) how to remove it plz someone help me.my mail id is [email protected] you..