Dell OptiPlex 3070 Microo - Page 4

Removing the WLAN card.........................................................................................................................................48
Installing the WLAN card...........................................................................................................................................50
M.2 PCIe SSD.................................................................................................................................................................... 53
Removing the M.2 PCIe SSD .................................................................................................................................. 53
Installing the M.2 PCIe SSD .................................................................................................................................... 55
Optional module.................................................................................................................................................................58
Removing optional module........................................................................................................................................ 58
Installing optional module.......................................................................................................................................... 62
Coin-cell battery................................................................................................................................................................66
Removing coin cell battery........................................................................................................................................66
Installing coin cell battery.......................................................................................................................................... 68
System board..................................................................................................................................................................... 70
Removing system board.............................................................................................................................................70
Installing system board...............................................................................................................................................76
Chapter 4: Troubleshooting......................................................................................................... 83
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................83
Running the SupportAssist Pre-Boot System Performance Check................................................................83
Diagnostics..........................................................................................................................................................................83
Diagnostic error messages..............................................................................................................................................85
System error messages................................................................................................................................................... 88
Recovering the operating system................................................................................................................................. 89
Backup media and recovery options.............................................................................................................................89
WiFi power cycle............................................................................................................................................................... 89
Chapter 5: Getting help...............................................................................................................90
Contacting Dell.................................................................................................................................................................. 90
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