PowerBook G4 15¨ (FireWire 800) 1.25 Ghz
start but no chime,
lower memory slot fail, only recognize upper slot.
Apple ASD say:
52 Open GL Point Test
54
55
56
57
58
59
60
Test failed error Code =3
Test Failed error code 4
Lower slot memory error. Upper error memory OK.
Any idea ??
Screen paterns problem solution ?
Format LowLevel !!
Install Leopard improve graphics !
disappears screen patterns.!
Lower slot empty..... now reboot with chime included !
Solution: Max 1Gb DIMM in upper slot, lower slot empty.
or ..... new Motherboard.
About screen:
Still they appear thin red lines in smaller amount, but he is relatively acceptable.
Probably the ATI chip welded to the Board is as usual the culprit.
PowerBook G4 15 start but no chime, lower slot fail
