Solved Microphone jack connector not working

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ish4d0w

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Hi

This is a HP 6720s notebook and it seems the microphone connector plug might be broken.


I tested the microphone on 2 different computers and it's working fine on those.


The headphone connector (which is next to the microphone connector on this notebook), is working all OK so I don't think it's just a driver problem.


This computer was disassembled (then reassembled) by a computer technician for internal cleaning, maybe he forgot to reconnect it or something... I'm not sure. (I'm mainly into desktop computers but I'm not afraid to take a look inside to see if I can fix it :) )


So my question is, what can be the problem? I'm only guessing. We could also try software tricks as I don't think this technician would have messed it up on purpose but who knows, maybe he just forgot about that connector.


So... where should we begin diagnosing this problem? :)

Any help is appreciated.
 
Last edited:

My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
HP Compaq 6720s
OS
Microsoft® Windows 7 Professional 64-bit
CPU
Intel(R) Pentium(R) Dual CPU T2310 @ 1.46GHz
Motherboard
Hewlett-Packard 30D8
Memory
4,00 GB
Graphics Card(s)
(1) Mobile Intel(R) 965 Express Chipset Family (2) Mobile
Sound Card
(1) Bluetooth Hands-free Audio (2) Bluetooth Stereo Audio
Screen Resolution
1280 x 800 x 32 bits (4294967296 colors) @ 59 Hz
Hard Drives
(1) Hitachi HTS542516K9SA00 ATA Device (2) Multi Flash Reader USB Device
Just a shot in the dark here......... have you been to device manager to check for missing/outdated drivers?

Conversely have you tried a system restore to a point before the cleaning? Assuming it worked before that.
 

My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
MSI GE72VR Apache Pro-416
OS
Windows 10x64 Build 1709
CPU
Intel i7 7700HQ Kaby Lake
Motherboard
Micro-Star Intl. MS-179B (U3C1)
Memory
16 GB DDR4 @2400
Graphics Card(s)
Nvidia Geforce GTX 1060
Screen Resolution
1920x1080 120Hz
Hard Drives
256 GB Nvme M.2 SSD

1TB HDD@7200
Cooling
Cooler Blast 4
Keyboard
Steel Series
Antivirus
Bit Defender Free
Browser
Edge
In that situation you take it to the tech and tell them the jack that worked before they cleaned it now doesn't work.

Should be free....

If your car....
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Self Built Custom
OS
Windows 7 Ultimate Retail Box (64-bit installed) + Service Pack 1
CPU
AMD FX-8350 CPU v1.15 (or 1.0F) BIOS was required!
Motherboard
MSI 890FXA-GD70
Memory
8G CAS-7 G-Skill DDR3 @1333 (2 fours) [mobo nonOC max rec'd]
Graphics Card(s)
Radeon HD 7950 [3 gigs of GDDR5] MSI Twin Frozr model
Sound Card
Realtek High Definition Audio (onboard mobo, ALC-889 chip)
Monitor(s) Displays
2 WS LED Monitors: One LG One Viewsonic
Screen Resolution
1920 by 1080
Hard Drives
SSD for OS: Samsung 840 Pro
SSD for VM and utilities: Adata SX900
7200 RPM SATA HDs for the rest: Hitachi and Seagate
PSU
Corsair TX850 - 850W max, in service since August 2010.
Case
Thermaltake Armor A90
Cooling
Thermaltake Spin Q CPU Cooler, in service since August 2010
Keyboard
Logitech G11
Mouse
Logitech M310 Wireless
Internet Speed
100 Megabit broadband supposedly upgraded from 50 (Cable)
Antivirus
Bitdefender Internet Security 2014 suite
Browser
Pale Moon 64-bit main, also IceDragon, Opera, and Maxthon.
Other Info
CompTIA A+ certified (220-800 series) in July 2013.
indianacarnie said:
Just a shot in the dark here......... have you been to device manager to check for missing/outdated drivers?

Conversely have you tried a system restore to a point before the cleaning? Assuming it worked before that.
Click to expand...



Sure, I checked that. No missing/outdated drivers, also installed a fresh sound driver offered by Windows Update, no difference.


I did a full reinstall a few months after the cleaning.


I used Skype for microphone setting (Skype is configured correctly), I called the echo test.

I was surprised because it wasn't completely silent, there were some random noises, but I couldn't control it, it wasn't actually coming from the microphone.



The microphone is working great on 2 other computers, I really think this connector is broken.


Faladu said:
In that situation you take it to the tech and tell them the jack that worked before they cleaned it now doesn't work.

Should be free....

If your car....
Click to expand...

Sounds like a good idea!

Edit: the problem is that this repair has been done years ago, and the tech guy probably doesn't even remember this computer so I don't think I can blame it on him.
 
Last edited:

My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
HP Compaq 6720s
OS
Microsoft® Windows 7 Professional 64-bit
CPU
Intel(R) Pentium(R) Dual CPU T2310 @ 1.46GHz
Motherboard
Hewlett-Packard 30D8
Memory
4,00 GB
Graphics Card(s)
(1) Mobile Intel(R) 965 Express Chipset Family (2) Mobile
Sound Card
(1) Bluetooth Hands-free Audio (2) Bluetooth Stereo Audio
Screen Resolution
1280 x 800 x 32 bits (4294967296 colors) @ 59 Hz
Hard Drives
(1) Hitachi HTS542516K9SA00 ATA Device (2) Multi Flash Reader USB Device
Hmm. I'm starting to think this *could* be a software issue too.
Also the signal bar sometimes moves.

I'll try different drivers.
 
Last edited:

My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
HP Compaq 6720s
OS
Microsoft® Windows 7 Professional 64-bit
CPU
Intel(R) Pentium(R) Dual CPU T2310 @ 1.46GHz
Motherboard
Hewlett-Packard 30D8
Memory
4,00 GB
Graphics Card(s)
(1) Mobile Intel(R) 965 Express Chipset Family (2) Mobile
Sound Card
(1) Bluetooth Hands-free Audio (2) Bluetooth Stereo Audio
Screen Resolution
1280 x 800 x 32 bits (4294967296 colors) @ 59 Hz
Hard Drives
(1) Hitachi HTS542516K9SA00 ATA Device (2) Multi Flash Reader USB Device
Just wanted to report back. The headset was broken, the connector on the notebook has no problems at all. :)
 

My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
HP Compaq 6720s
OS
Microsoft® Windows 7 Professional 64-bit
CPU
Intel(R) Pentium(R) Dual CPU T2310 @ 1.46GHz
Motherboard
Hewlett-Packard 30D8
Memory
4,00 GB
Graphics Card(s)
(1) Mobile Intel(R) 965 Express Chipset Family (2) Mobile
Sound Card
(1) Bluetooth Hands-free Audio (2) Bluetooth Stereo Audio
Screen Resolution
1280 x 800 x 32 bits (4294967296 colors) @ 59 Hz
Hard Drives
(1) Hitachi HTS542516K9SA00 ATA Device (2) Multi Flash Reader USB Device
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