![](/images/new-backgrounds/1203042/203042339x1.webp)
4.
5.Determine if the problem has changed.
6.If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU.
7.If the problem remains, replace the following FRU one at a time. Do not replace a
•System board
•LCD assembly
160 | Chapter 4 |