Its been maybe 1 year or so since my brother touched his pwbook g4, i picked it up yesterday to figure out that the backlight (Cold Cathode) is out and that it needs a replacement, the measurements are 4.1mm by 220mm and I found a suffecient light. Mouser Part #: 560-BF4220-20B Page 45 Mfr. Part #: BF4220-20B Data Sheet Mfr: JKL Components Category: CCFL Florescent Lamps Description: JKL CCFL Cold Cathode Fluorescent Backlighting Lamps 4.1mm 4.1mm X 220mm, White I was wondering if I should go ahead and purchase this item, and perhaps install it myself? Any suggestions would be GREATLY appreciated.! Take care.