The Thinkpad LCD may blink continuously while on battery mode until the AC adapter is re-inserted - ThinkPad R60, R60e, R61, R61e, R61i, T60, T61, X60, X60s, X60 Tablet, X61, X61s, X61 Tablet, Z61e, Z61m, Z61t
Symptom
The ThinkPad LCD may blink continuously while on battery mode. This may not occur every time while on battery, but will always stop blinking after inserting the ThinkPad AC adapter and only occur while on battery mode.
Affected configurations
Any of the following systems with Intel integrated graphics (Intel 940GML/945GM or Intel X3100):