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Regulatory Model: P138G/P139G Regulatory Type: P138G001/P139G001 August 2021 Rev. A01
Topics: • Safety instructions Safety instructions Use the following safety guidelines to protect your computer from potential damage and to ensure your…
NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Topics: • Recommended tools • Screw list • Major…
When troubleshooting, downloading, or installing drivers, it is recommended that you read the Dell knowledge base article, Drivers and Downloads FAQs . 3 92…
CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program. Certain changes can make your computer work incorrectly.…
Topics: • Handling swollen Lithium-ion batteries • Dell SupportAssist Pre-boot System Performance Check diagnostics • Built-in self-test (BIST) • System…
Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 21. Self-help resources Self-help…