8 M1179886
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 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 always aligned with the corners of the device 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 on page 18 for details.
• If battery damage (e.g., leaking, expansion, folds or other) is discovered during the C-cover removal process
or if the battery is impacted or damaged during the removal process, activities should cease. Refer to ASP
Guidebook 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 logical components for safety purposes. Refer to
Procedure-Removal (rSSD) section for details.
IMPORTANT: Whenever the rSSD has been removed, powering on the device requires that the rSSD and
C-cover FRUs are installed. Refer to Procedure - Installation (rSSD) section for details.
Repair- Cross-reference Documents
• M1153910 In Device Battery Inspection process. Devices exhibiting battery issues as outlined in the Battery
Inspection Process require whole unit replacement.
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General
Weight and Dimensions
