![](/images/new-backgrounds/1120523/120523425x1.webp)
Upgrades | 270c Upgrade - 16 | |
| • Remove the display |
|
| assembly | |
| • Remove the CPU stiffener | |
| • Remove the logic board | |
| Caution: The PowerBook | |
| Duo contains CMOS devices | |
| that are very susceptible to | |
| ESD damage. Review the ESD | |
| precautions in Bulletins/ | |
| Safety. |