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Repair-Specic Precautions and Warnings
• Prior to opening device, ensure device is powered off and disconnected from a power supply.
• We recommend wearing protective eyewear as a safety precaution when disassembling/re-assembling
a device.
• Before opening device, always check that an anti-static wrist strap is worn and work area is properly
grounded to ensure electrostatic discharge (ESD) safe environment
WARNING: It is recommended that an ESD-safe battery cover of appropriate size (either 13.5” or 15”
device) be placed across the device to protect the battery from any physical contact or accidental
damage whenever C-cover is removed. Ensure corners of cover are aligned with the corners of the device
at all times while battery is exposed. If battery cover is misaligned during activities in any way, re-align
before continuing activities.
• Check to make sure that general guidelines and ESD compliance steps are followed prior to starting activities.
Refer to Prior to Device Disassembly section (page 11) for details.
• If battery damage (e.g., leaking, expansion, folds or other) is discovered during the rSSD removal process or
if the battery is impacted or damaged during the removal process, activities should cease. Refer to Microsoft
Operational guidelines or contact Microsoft directly for proper device disposition.
• As you remove each subassembly from the device, place the subassembly (and all accompanying screws)
away from the work area to prevent damage to the device and to the subassembly.
• During all activities (excluding feet-only replacement) check to ensure that no loose articles are on the
C-cover (Keyboard Assembly) or within the internals of the device when reassembling the unit.
IMPORTANT: Remove rSSD (removable Solid-State Drive) whenever C-cover is removed from device.
rSSD removal disconnects the battery from all device logic for safety purposes. Refer to Procedure-
Removal (rSSD) section (page 20) for details.
IMPORTANT: If rSSD was previously removed, powering on the device requires that the rSSD and
C-cover FRUs are installed. Refer to Procedure-Removal (rSSD) section (page 20) section for details.
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