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Dear comrades, I liberated a nice PowerBook 1400c/166 with a VIEWpowr 1400/16, recently. The battery is dead. Without battery it will boot but the screen stays blank (gray pattern, some random stripes), no mouse arrow or whatsoever visible. The unit can be restarted or shut off properly using the power button and according shortcuts (return=off, s=sleep, r=restart) but the unit does not show any feedback on the screen. The behaviour does not change with the VIEWpowr card removed nor with extensions disabled. PRAM has been zapped, already. Any suggestions what I should try next to revitalise the PB?