Dell Inspiron 7520 Webcam issue
The provided inbuilt webcam is a strange one, sometimes it works and sometimes it doesn't.
And when it doesn't, and it shows the message something like -
The webcam is being used by other apps (in Dell Webcam Central), although it is not being used, and its indicator is still in off mode.
The only thing that makes it functional is a simple restart.
The funny part is that as long as I keep it hibernating and avoid shutting down or restarting, it works well, if it works after the restart, and if it doesn't work, at least a shut down or restart is required to make it work.
The webcam uses a driver from creative (CtClsFlt.sys) apart from the Microsoft provided drivers.
I simply can't understand what difference does a restart make, which affects the working of a driver, when keeping other things unaffected (like startup type, startup items, apps installed, registry etc.).
This was a minor problem from the day my laptop was shipped pre-loaded with win 7 home premium, which I upgraded to win 8 pro with m.c and then to win 8.1, but since the problem was not persistent and minor to me, and fearing the company would worsen
the situation (my previous laptop was totally ruined by the service center instead of properly repairing it), I didn't contact them.
I know it's a matter to be resolved by Dell itself, but if any one of you can suggest a feasible working solution or at least pinpoint where the problem is, it would be great.
Thanks in advance.
Anwsers to the Problem Dell Inspiron 7520 Webcam issue
Manually editing the Windows registry
Caution: Unless you an advanced PC user, please do not edit the Windows registry manually.
Because of this risk, we highly recommend using a trusted registry cleaner such as SmartPCFixer Using a registry cleaner automates the process of finding invalid registry entries, missing file references (like the one causing your MACHINE_CHECK_EXCEPTION error), and broken links within the registry. A backup is automatically created before each scan, with the ability to undo any changes in a single click, protecting you against the possibility of PC damage. The best part is that repairing registry errors can also dramatically improve system speed and performance.
- Click the Start button.
- Type "command" in the search box... DO NOT hit ENTER yet!
- While holding CTRL-Shift on your keyboard, hit ENTER.
- You will be prompted with a permission dialog box.
- Click Yes.
- A black box will open with a blinking cursor.
- Type "regedit" and hit ENTER.
- In the Registry Editor, select the Error 0x9C-related key (eg. Windows Operating System) you want to back up.
- From the File menu, choose Export.
- In the Save In list, select the folder where you want to save the Windows Operating System backup key.
- In the File Name box, type a name for your backup file, such as "Windows Operating System Backup".
- In the Export Range box, be sure that "Selected branch" is selected.
- Click Save.
- The file is then saved with a .reg file extension.
- You now have a backup of your MACHINE_CHECK_EXCEPTION-related registry entry.
The next steps in manually editing your registry will not be discussed in this article due to the high risk of damaging your system. If you would like to learn more about manual registry editing, please see the links below.
Another Safe way to Repair the Problem: Dell Inspiron 7520 Webcam issue:
How to Fix Dell Inspiron 7520 Webcam issue with SmartPCFixer?
1. Download SmartPCFixer . Install it on your computer. Click Scan, and it will perform a scan for your computer. The errors will be shown in the scan result.
2. After the scan is done, you can see the errors and problems which need to be fixed.
3. When the Fixing part is finished, your computer has been speeded up and the errors have been fixed
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