Important Service Information; Strategy For Replacing Frus - Lenovo YOGA BOOK YB1-X90L Hardware Maintenance Manual

Lenovo YOGA BOOK Hardware Maintenance Manual

Important service information

This chapter presents the following important service information:
• "Strategy for replacing FRUs" on page 16
• "Important information about replacing RoHS compliant FRUs" on page 18

Strategy for replacing FRUs

Before replacing parts:
Make sure that all software fixes, drivers, and BIOS downloads are installed
before replacing any FRUs listed in this manual.
After a main board is replaced, ensure that the latest BIOS is loaded to the main
board before completing the service action.
To download software fixes, drivers, and BIOS, follow the steps below:
1. Go to http://support.lenovo.com/.
2. Enter a serial number or select a product or use Lenovo smart downloading.
3. Select the BIOS/Driver/Applications and download.
4. Follow the directions on the screen and install the necessary software.
16
– "Important notice for replacing a main board" on page 17
Important:
BIOS and device driver fixes are customer‐installable. The BIOS and device
drivers are posted on the customer support site:
http://support.lenovo.com/.