Dell OptiPlex 7070 Micro - Page 4

WLAN card.......................................................................................................................................................................... 31
Removing the WLAN card..........................................................................................................................................31
Installing the WLAN card........................................................................................................................................... 33
M.2 PCIe SSD.................................................................................................................................................................... 35
Removing the M.2 PCIe SSD .................................................................................................................................. 35
Installing the M.2 PCIe SSD .....................................................................................................................................36
Coin-cell battery................................................................................................................................................................ 37
Removing coin cell battery........................................................................................................................................ 37
Installing coin cell battery.......................................................................................................................................... 38
Optional module.................................................................................................................................................................39
Removing optional module........................................................................................................................................ 39
Installing optional module........................................................................................................................................... 41
System board..................................................................................................................................................................... 42
System board jumper..................................................................................................................................................42
Removing system board.............................................................................................................................................43
Installing system board...............................................................................................................................................45
Chapter 4: Troubleshooting......................................................................................................... 48
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................48
Running the SupportAssist Pre-Boot System Performance Check................................................................48
Diagnostics..........................................................................................................................................................................49
Power-Supply Unit Built-in Self-Test ......................................................................................................................... 50
Recovering the operating system.................................................................................................................................. 51
Real-Time Clock (RTC Reset)........................................................................................................................................ 51
Diagnostic error messages...............................................................................................................................................51
Backup media and recovery options.............................................................................................................................54
WiFi power cycle............................................................................................................................................................... 54
System error messages................................................................................................................................................... 54
Chapter 5: Getting help and contacting Dell................................................................................ 56
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