Correction, tried some more. After one and a half hours of struggling I finally managed to slide the cover off. Now tht it’s been done once, it slides on and off easily.Just putting this here in case others have the same problem - persevere. In principle the job’s an easy one.
I’ve tackled apparently more complicated jobs on iMac, MacBook and iPhone, but this one has defeated me! I can’t complete step 3 the panel simply will not slide off.
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