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Dell Latitude 7390 User Manual

Dell Latitude 7390
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Steps
1. Turn off your computer.
2. Turn off the modem.
3. Turn off the wireless router.
4. Wait for 30 seconds.
5. Turn on the wireless router.
6. Turn on the modem.
7. Turn on your computer.
Drain residual flea power (perform hard reset)
About this task
Flea power is the residual static electricity that remains in the computer even after it has been powered off and the battery is
removed.
For your safety, and to protect the sensitive electronic components in your computer, you are requested to drain residual flea
power before removing or replacing any components in your computer.
Draining residual flea power, also known as a performing a "hard reset", is also a common troubleshooting step if your computer
does not power on or boot into the operating system.
To drain residual flea power (perform a hard reset)
Steps
1. Turn off your computer.
2. Disconnect the power adapter from your computer.
3. Remove the base cover.
4. Remove the battery.
5. Press and hold the power button for 20 seconds to drain the flea power.
6. Install the battery.
7. Install the base cover.
8. Connect the power adapter to your computer.
9. Turn on your computer.
NOTE:
For more information about performing a hard reset, search in the Knowledge Base Resource at www.dell.com/
support.
Troubleshooting 81

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Dell Latitude 7390 Specifications

General IconGeneral
GraphicsIntel UHD Graphics 620
Operating SystemWindows 10 Pro
ProcessorIntel Core i5-8250U / i7-8650U
Display13.3-inch FHD (1920 x 1080)
RAM16GB DDR4
Storage256GB/512GB SSD
Battery4-cell 60Whr
Ports2 x USB 3.1, 1 x USB Type-C, HDMI, MicroSD card reader
WirelessIntel Dual Band Wireless-AC 8265 Wi-Fi + Bluetooth 4.2

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