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is the sound card driver, download the driver wizard can be software, uninstall and reinstall the driver can. Ps. Driver wizard is really more than 360 rogue ah, immediately after the uninstall, but still get some little knowledge about the driver ~ such as the driver motherboard driver, video card driver, sound card driver and USB driver.

also got some parameters of my computer and put them here in case of need.

driver elves driver management hardware test report

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computer model
dell Inspiron 7520 portable computer

processor
Intel(R) Core(TM) i5-3230m CPU @ 2.60ghz

Memory capacity
4.0 GB

card
1, AMD Radeon HD 7730M

Intel(R) HD Graphics 4000

hard disk
ST500LT012-9WS142 (500GB)

mainboard
0PXH02 (A00)

card
1, Intel(R) Centrino(R) wireless-n 2230

2, Realtek PCIe GBE Family Controller

sound card
1, Intel (R) monitor audio

2 Conexant SmartAudio HD

monitor
LGD:3a03

current operating system
Windows 10 64-bit

• how to close some automatic startup procedures, such as ut, wechat etc

in win10 search box input msconfig, open system configuration -> Click the Start TAB, and click “Open Task Manager” -& GT; as shown in the figure below

• win10 how to add startup
  

  C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp