Severity: Notice
Message: Only variables should be passed by reference
Filename: codeigniter/Common.php
Line Number: 148
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; CI_Hooks has a deprecated constructor
Filename: libraries/Hooks.php
Line Number: 30
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; CI_Config has a deprecated constructor
Filename: libraries/Config.php
Line Number: 29
Severity: Notice
Message: Only variables should be passed by reference
Filename: codeigniter/Common.php
Line Number: 148
Severity: Notice
Message: Only variables should be passed by reference
Filename: codeigniter/Common.php
Line Number: 148
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; CI_URI has a deprecated constructor
Filename: libraries/URI.php
Line Number: 29
Severity: Notice
Message: Only variables should be passed by reference
Filename: codeigniter/Common.php
Line Number: 148
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; CI_Router has a deprecated constructor
Filename: libraries/Router.php
Line Number: 29
Severity: Notice
Message: Only variables should be passed by reference
Filename: codeigniter/Common.php
Line Number: 148
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; CI_Output has a deprecated constructor
Filename: libraries/Output.php
Line Number: 29
Severity: Notice
Message: Only variables should be passed by reference
Filename: codeigniter/Common.php
Line Number: 148
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; CI_Input has a deprecated constructor
Filename: libraries/Input.php
Line Number: 29
Severity: Notice
Message: Only variables should be passed by reference
Filename: codeigniter/Common.php
Line Number: 148
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; CI_Language has a deprecated constructor
Filename: libraries/Language.php
Line Number: 27
Severity: Notice
Message: Only variables should be passed by reference
Filename: codeigniter/Common.php
Line Number: 148
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; CI_Base has a deprecated constructor
Filename: codeigniter/Base5.php
Line Number: 33
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; Controller has a deprecated constructor
Filename: libraries/Controller.php
Line Number: 30
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; Download has a deprecated constructor
Filename: controllers/download.php
Line Number: 2
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; CI_Loader has a deprecated constructor
Filename: libraries/Loader.php
Line Number: 29
Severity: Notice
Message: Only variables should be passed by reference
Filename: codeigniter/Common.php
Line Number: 148
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; CI_DB_driver has a deprecated constructor
Filename: database/DB_driver.php
Line Number: 31
Severity: Notice
Message: Only variables should be passed by reference
Filename: database/DB.php
Line Number: 133
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; CI_Session has a deprecated constructor
Filename: libraries/Session.php
Line Number: 27
Severity: Warning
Message: Cannot modify header information - headers already sent by (output started at /home/pacifi33/public_html/system/libraries/Exceptions.php:166)
Filename: libraries/Session.php
Line Number: 661
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; Utility has a deprecated constructor
Filename: libraries/Utility.php
Line Number: 3
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; Metautils has a deprecated constructor
Filename: libraries/Metautils.php
Line Number: 3
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; Globaldata has a deprecated constructor
Filename: libraries/Globaldata.php
Line Number: 3
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; Model has a deprecated constructor
Filename: libraries/Model.php
Line Number: 27
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; Downloadmodel has a deprecated constructor
Filename: models/downloadmodel.php
Line Number: 2
Severity: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; CI_Pagination has a deprecated constructor
Filename: libraries/Pagination.php
Line Number: 27
| Symptom | Likely Fix | |--------|-------------| | "Device not recognized" | Reinstall chipset USB drivers; try different USB port (USB 1.1 vs 2.0). | | Image is black/white | Incorrect source setting in AmCap or Skype — toggle between PAL/NTSC. | | No microphone detected | Install separate audio driver; check "Line In" or "Microphone" in Windows sound settings. | | Driver install fails with Code 10 | Conflict with older Logitech/Vimicro drivers — clean boot + manual INF install. |
Quick Overview: The Quantum QHM 480 LM is a legacy USB webcam (often branded under "Trust" or generic OEM labels). It typically requires drivers for Windows XP/Vista/7. For Windows 8, 10, and 11, native drivers are usually not available, but workarounds exist. quantum pc camera qhm 480 lm driver
Most USB webcams, including the QHM 480 LM, support the USB Video Class (UVC) standard. Windows 10/11 has built-in UVC drivers. | Symptom | Likely Fix | |--------|-------------| |
Steps:
Success rate: 60%. If the camera is strictly proprietary (non-UVC compliant), this will fail. Success rate: 60%
The QHM 480 LM is a functional, low-cost webcam for basic calls and classrooms where affordability is the priority. If you need clearer, sharper video, native 720p/1080p, better low-light performance, or high-quality audio, consider spending more on a modern HD webcam.
Before diving into drivers, it is crucial to understand what this device actually is. The Quantum QHM 480 LM was a standard-definition USB webcam manufactured under the “Quantum” brand—a name often associated with budget-friendly computer peripherals in Europe and Asia.