联系Dell技术后,给出解决方法为更新驱动,以下分别为5290与5300驱动

5290:

BIOS: https://dl.dell.com/FOLDER05842640M/1/Latitude_5X90_1.11.1.exe

主板芯片组:

https://dl.dell.com/FOLDER05664480M/4/Intel-Chipset-Device-Software-Driver_9NNTR_WIN_10.1.18019.8144_A08_02.EXE

https://dl.dell.com/FOLDER05573746M/7/Intel-Management-Engine-Components-Installer_4C0M1_WIN_1914.12.0.1255_A04_03.EXE

https://dl.dell.com/FOLDER05463466M/4/Realtek-Memory-Card-Reader-Driver_R16KJ_WIN_10.0.17763.21313_A02_02.EXE

https://dl.dell.com/FOLDER04691657M/5/Intel-HID-Event-Filter-Driver_779H4_WIN_2.2.1.364_A06.EXE

https://dl.dell.com/FOLDER04672052M/3/Intel-Dynamic-Platform-and-Thermal-Framework_D4G6R_WIN_8.3.10207.5567_A09.EXE

https://dl.dell.com/FOLDER04428415M/5/STMicro-Accelerometer-for-Free-Fall-Data-Protection_N99V5_WIN_4.10.83_A03_02.EXE

5300:

BIOS: https://dl.dell.com/FOLDER05802887M/1/Latitude_5300_1.6.0.exe

主板芯片组:

https://dl.dell.com/FOLDER05453354M/6/Intel-Chipset-Device-Software-Driver_7FVVD_WIN_10.1.17861.8101_A06.EXE

https://dl.dell.com/FOLDER05496537M/2/Intel-Management-Engine-Components-Installer_GW4T1_WIN_1910.12.0.1239_A00.EXE

https://dl.dell.com/FOLDER05463466M/4/Realtek-Memory-Card-Reader-Driver_R16KJ_WIN_10.0.17763.21313_A02_02.EXE

https://dl.dell.com/FOLDER05383696M/4/Intel-Dynamic-Platform-and-Thermal-Framework_64C9J_WIN_8.5.10103.7263_A03_02.EXE

https://dl.dell.com/FOLDER05345907M/5/Intel-Serial-IO-Driver_M31NN_WIN_30.100.1841.2_A02_03.EXE