6 M1196211
General Safety Precautions
Always observe the following, general safety precautions:
• Opening and/or repairing any device can present electric shock, device damage, re, and/or personal injury
risks and other hazards. Exercise caution when undertaking these activities as described in this manual. Only
skilled IT technicians to whom Microsoft has provided this manual should attempt CRU repair activities. Only
Microsoft-authorized service providers should undertake FRU repair activities.
• Always select and use the appropriate AC power supply for a device. We recommend you use genuine
Microsoft power supply units and AC power cords. A genuine Microsoft power supply unit is provided with
every device.
• Use only AC power provided by a standard (mains) wall outlet. Do not use non-standard power sources, such
as generators or inverters, even if the voltage and frequency appear acceptable.
• Improper use of device batteries may result in re or explosion. Only open the enclosure on a device as
outlined in this manual. Do not heat, puncture, mutilate, or dispose of devices or their batteries in re. Do not
leave or charge devices in direct sunlight or exposed to other extreme sources of heat for an extended period
of time. Doing so may cause damage or melt the batteries.
For additional product safety information, including information about
• Hearing conservation
• Heat related concerns
• Choking hazard/small parts
• Interference with medical devices
• Broken glass
• Photosensitive seizures
• Musculoskeletal disorders
See aka.ms/surface-safety or the Surface app. To open the Surface app, select the Start button, enter Surface into the
search box, then select the Surface app.
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
• Check to make sure that general guidelines and ESD compliance steps are followed prior to starting
activities. Refer to Prior to Device Disassembly section for details.
• 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.
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