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When the computer is powered on, the battery LED also acts as the hard drive activity light. Press and hold the Fn key, and then press the h key to toggle between the battery and the hard drive activity light function.
Support for Inspiron 3502 | Documentation | Dell UK
First Group: The LED blinks with an Amber color 1 to 9 times, followed by a brief pause with the LED off for 1.5 seconds. OPMERKING: Als u verbinding maakt met een beveiligd draadloos netwerk, voert u het wachtwoord voor toegang tot het draadloze netwerk in wanneer dit wordt gevraagd. Available on devices with Windows 11 in either the Microsoft Store or preloaded on your XPS, Inspiron, or G Series computers. OPMERKING: De batterij schakelt mogelijk over naar de energiebesparende modus om batterijlading te besparen. Sluit de voedingsadapter aan en druk op de aan/uit-knop om de computer aan te zetten.
Try to flash the BIOS to the latest version. For more information, browse to Dell BIOS Updates (Refer to the How do I update BIOS using a USB flash drive? section).
Inspiron 3502 Setup and Specifications - Dell
Disconnect all external peripherals including the keyboard, mouse, and external monitor. Peripherals also include external storage devices such as flash drives, USB devices, printers, cards, etc. For how-to's and troubleshooting information about Wired and Wireless networking, browse to the Dell Networking and Wireless Support Center.Some keys on your keyboard have two symbols on them. These keys can be used to perform secondary functions. To perform secondary functions, press Fn and the desired key. Press and hold the Fn key.Then press the Esc key to switch the primary behavior of the function keys (F1-F12) between two modes. (multimedia key mode and function key mode.)