Before working inside your computer, read the safety information that shipped with your computer. More information on good safety practices can be found on the compliance website at Many repairs may only be performed by a certified service technician. Troubleshooting and simple repairs should only be performed as permitted in your product documentation or as directed by online or telephone service and support.
Damage to your computer caused by unauthorized service by Dell is not covered by the warranty. Read and follow the safety instructions that came with the product. To prevent electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface that is grounded to the ground before touching the computer for disassembly.
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