Hi Adam
Have you tried resetting the PRAM? alt + cmd + P + R at boot until you hear the
startup chime a second time.
Regards
Sam
MacAmbulance Ltd.
Providing Affordable Mac/PC Support and Web Development
Sam Mullen ACMT
+44 (0)7747778022
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www.macambulance.co.uk
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On 8 Feb 2014, at 16:25, mac98aop <[email protected]> wrote:
> Hi there
>
> Wasn't sure how else to title this problem!?
>
> I haven't quite diagnosed what causes the fault, but it seems if I unplug my
> MBPro from my external monitor (having had the lid down) when I then go and
> open the MBPro in a meeting, all I get is it cycling through Red, Green,
> White, Grey, Vertical Bars.....
>
> Nothing seems to be able to prevent it, and I have to reboot by holding the
> power button.
>
> Does anyone know what causes it, and how I can stop it doing it?!?
>
> It is a new fault, and possibly coincidental, but only noticed since
> installing an SSD....
>
> Thanks all,
>
> AP
>
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