audio does not work, exclamation point on PCI port in device manager (even though my computer is able to beep when it starts)

ok , so these are my computer specs :

System Information
Time of this report: 1/16/2017, 20:38:57
Machine name: ABDULLAH
Operating System: Windows 7 Ultimate 32-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_ldr.161011-0600)
Language: English (Regional Setting: English)
System Manufacturer: LENOVO
System Model: 7483R76
BIOS: Lenovo ThinkCentre BIOS Ver 5CKT50.0
Processor: Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz (2 CPUs), ~3.0GHz
Memory: 4096MB RAM
Available OS Memory: 3328MB RAM
Page File: 1785MB used, 4867MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.01.7601.17514 32bit Unicode

DxDiag Notes
Display Tab 1: No problems found.
Sound Tab 1: No sound card was found. If one is expected, you should install a sound driver provided by the hardware manufacturer.
Input Tab: No problems found.

Sound Devices
Default Sound Playback: No
Default Voice Playback: No
Hardware ID:
Manufacturer ID:
Product ID:
Driver Name:
Driver Version:
Driver Attributes:
WHQL Logo'd:
Date and Size:
Other Files:
Driver Provider:
HW Accel Level: Emulation Only
Cap Flags: 0x0
Min/Max Sample Rate: 0, 0
Static/Strm HW Mix Bufs: 0, 0
Static/Strm HW 3D Bufs: 0, 0
HW Memory: 0
Voice Management: No
EAX(tm) 2.0 Listen/Src: No, No
I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No

ok, so i am guessing that most of your answers would be that i do not have a sound card installed in my pc , i have not physically opened my computers case to check , but i am sure that its there , reason being is that a few months ago , before my windows got corrupt and i had to install new windows , i was able to hear audio directly from my pc without the use of headphones or an ear piece , now , i am not able to do that , i constantly need to have an ear piece insterted into my pc to be able to hear audio or to play games , otherwise the games do not run at all. i am not really into computer troubleshooting and i do not know much about it as i am really just a 13 year old . i can tell tell you this information if it helps you out : when i go to device manager , in the section 'other devices' , there are exclamation marks in the ' PCI serial port ' and the 'PCI simple communications controller ' . now, i have tried to install the driver updates for these these two , thinking that that might be the cause of the problem , but when i right click on it and i select ' update driver software ' , the computer cannot find the update for these drivers. i have also checked under the sound , video and game controlllers section in the device manager to see if something was wrong with it , but everything was correct , i had high definition audio device and nvidia virtual audio device (wave extendable ) (wdm) installed , sio i dont see why there shoulb be a problem with my audio , any solutions? id really be grateful for an answer . Thanks in advance
2 answers Last reply Best Answer
More about audio work exclamation point pci port device manager computer beep starts
  1. Best answer
    The device is there, certainly.

    The driver is missing, it got deleted when you reinstalled windows.

    It took me some digging to find but quite certain the below link will solve it
  2. greens said:
    The device is there, certainly.

    The driver is missing, it got deleted when you reinstalled windows.

    It took me some digging to find but quite certain the below link will solve it

    thanks man!! now i dont need to have the earphone plugged in into my pc to play games.
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