5450 has white line across screen and needs soft reset after power on
My 5450 has just started misbehaving for no apparent reason. There is now a 1-pixel wide white line horizontally across the screen just above midway down the screen and it won't go away.
Also, when I turn power on to use it, I get a blank (sometimes faint lines vertically) screen. When I then soft reset, the unit fires up normally, but I have to soft reset every time I turn on!
I have reinstalled the ROM, done hard resets etc. No change. Before I jump to the conclusion that it's a hardware problem, has anyone seen this type of problem before? eg could it be related to a battery ageing problem?
TIA
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