I have a mac book nd the screen shuts off depending on the position

Question

my mac book screen shuts off when I open and close it but will stay on in certain position

Answer 1

There is a combination of a circuit, wire, and possibly other parts
that can or may eventually wear out or fail, and these would need
to be replaced. A test & diagnostic check of the computer is a way
to tell more precisely what parts could be involved in a repair.
These can be very detailed to repair and sometimes a take-apart
to fix one possible cause of the problem can cause another one
since there is a likelihood a non-professional DIY may damage it.
{In fact, I have a similar first-edition MacBook1.1 1.83GHz
core duo, with 2GB RAM, 160GB HDD, OS X 10.5.8, and
an issue with the display such as you describe; my answer
to fix it, may be to send mine in a box to wegenermedia.}
If the computer can run an external display with an appropriate
video adapter, then you can tell if the problem is only with the
attached internal display and not some other or deeper failure.
Depending on which MacBook model identifier build year, you
may narrow down more detailed troubleshooting techniques or
look through a correct iFixit repair guide for ideas, and ask to
see what the costs would be to have an expert repair it.
•Mac Laptop Repair guides - iFixit:
http://www.ifixit.com/Device/Mac_Laptop
If you are in an area where an official Apple Store has a Genius
bar you can arrange to have an appointment there to have them
check or diagnose the issue, and estimate parts + cost. In the US
and Canada, an actual diagnostic is a free service; so is estimate.
The Mac computer need not have an AppleCare plan in effect.
Elsewhere, an authorized Apple service provider may offer similar
testing and estimate, but may charge a customary fee for the time.
Hopefully you can narrow down which one you have, from many
built during the 2006 to 2010 era the MacBook was made. They
no longer are; these are different than MB/Pro and MB/Air.
Good luck & happy computing!
edited