I am having a problem with my new MacBook on start up and I wonder if anyone can help.
On starting by pressing the on button the machine boots and then after about a minute the screen goes black like it has gone to Sleep, it can be woken but it just does the same thing.
However, if I do a hard reboot (ctrl-apple-on button) and wait for the beep it will run perfectly for hours....but after restarting some hours later I have the same problem.
I have googled and read about some problems with random restarts but I dont think this is the same. It only appears to happen shortly after restart.
Any help will be greatly appreacted
Snail1
On starting by pressing the on button the machine boots and then after about a minute the screen goes black like it has gone to Sleep, it can be woken but it just does the same thing.
However, if I do a hard reboot (ctrl-apple-on button) and wait for the beep it will run perfectly for hours....but after restarting some hours later I have the same problem.
I have googled and read about some problems with random restarts but I dont think this is the same. It only appears to happen shortly after restart.
Any help will be greatly appreacted
Snail1