2. Detach the RTC battery (2) from the display panel assembly. (The RTC battery is attached to the
display panel assembly with double-sided tape.)
3. Remove the RTC battery.
Reverse this procedure to install the RTC battery.
Solid-state drive
Description Spare part number
256-GB m2 SATA-3 solid-state drive 760921-001
128-GB m2 SATA solid-state drive 742736-001
64-GB m2 SATA solid-state drive 742737-001
Before removing the solid-state drive, follow these steps:
1. Turn off the tablet. If you are unsure whether the tablet is off or in Hibernation, turn the tablet on,
and then shut it down through the operating system.
2. Disconnect the power from the tablet by unplugging the power cord from the tablet.
3. Disconnect all external devices from the tablet.
4. Remove the display enclosure (see 
Display enclosure on page 38).
5. Disconnect the tablet battery cable from the system board (see 
Sensor board on page 39).
Tablet component replacement procedures
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