T60 Screen/LCD gets black after some minutes with a highpitched sound rising and fading

Posted by Edward De Leau on Super User See other posts from Super User or by Edward De Leau
Published on 2011-01-16T19:48:04Z Indexed on 2011/01/16 19:55 UTC
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Just now my T60 screen got "black" (so no display). On my second monitor: no problems so the vga output works.

symptom: Screen blanks / no display but works on second monitor

steps to reproduce: - boot - wait (it does not matter what you do you do not have to login or anything) - (now the monitor of the laptop slowly begins to make a ssssssssHHHHHHHHHHHHHHHHHWOEOEssssssss noice of about 10 seconds) - right after the sounds ends the monitor gets black times seem to be the same each time.

software: installed no new software before/after, running zone alarm and antivirus.

other: it does not feel hot in any place, there dont seem to be running processes with strange behaviour.

warranty: out of warranty

what was i doing: typing text on a website and doing some php coding in a text editor.

Anyone any idea what I can do here other than buy a new laptop? / does it sound familiar to known cases?

update: * exactly the same problem: http://forums.lenovo.com/t5/T61-and-prior-T-series-ThinkPad/T60-Screen-Blackout/m-p/288772

Hmmm... not handy 3 or 4 months ago I ordered and installed a new fan. Now the LCD. Which does not seem the core isse but some electric issue so it seems replacing the LCD is not the thing todo here.

I have the following question:

If it is not the LCD that needs to be replaced (see other threads) which parts can I order to fix this? Has anyone got any information which could lead me to identify the issue? I have read replacing the "inverter" AND the "backlightning" would that make sense?

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