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a4tech

About this tag
The a4tech tag on WindowsForum.com covers user discussions about A4tech hardware, particularly webcams and peripherals, on Windows systems. Topics include webcam detection and display issues on Windows 7, such as the A4tech PK-635M showing no video after driver installation. Users also report BSODs and Bluetooth mouse freezes after sleep or hibernation, potentially linked to A4tech devices. Troubleshooting often involves driver conflicts, Windows updates, and system configuration. The tag reflects common problems with A4tech products on Windows, including driver compatibility and hardware behavior after system sleep.
  1. M

    Windows 8 BSOD mainly after sleep/hibernation and bluetooth short mouse freeze problems

    I am having BSOD mainly after sleep/hibernation. But the problem started to occur more frequently and yesterday it happened when I was using my compuer. At the begining I came in the morning to wake my PC and would find that it is already on (without any bsod message). But my applications were...
    • maja
    • Thread
    • a4tech amd application bluetooth boot bsod drivers freezes gpu hibernation input devices intel mouse performance reboot sleep ssd task management troubleshooting windows 7
    • Replies: 8
    • Forum: Windows Blue Screen of Death (BSOD)
  2. B

    Windows 7 Webcam problems - possibly because of updates

    I really wanted to ask for help because I can't seem to find any solutions for this problem. Background: OS: Windows 7 Ultimate x64 Board: INTEL DP35DP Processor: INTEL Core 2 Quad Q6600 2.40Ghz Memory: 4.00GB HD: Multiple - 500GB (4 pcs) OK, as an additional info I'd like to add that I have...
    • brucetwain
    • Thread
    • a4tech device manager drivers gaming hardware installation messaging multimedia partition pinnacle skype software issues system settings troubleshooting update video chat video conferencing webcam windows 7 yahoo messenger
    • Replies: 2
    • Forum: Windows Help and Support
  3. B

    Windows 7 Webcam problems - possibly because of updates

    I really wanted to ask for help because I can't seem to find any solutions for this problem. Background: OS: Windows 7 Ultimate x64 Board: INTEL DP35DP Processor: INTEL Core 2 Quad Q6600 2.40Ghz Memory: 4.00GB HD: Multiple - 500GB (4 pcs) OK, as an additional info I'd like to add that I have...
    • brucetwain
    • Thread
    • a4tech compatibility device manager drivers gaming hardware installation intel messaging multimedia partition pinnacle skype support troubleshooting update video chat webcam windows 7 yahoo messenger
    • Replies: 1
    • Forum: Windows Help and Support
  4. V

    Windows 7 No display webcam

    Just installed Seven on my system and most of my hardware was detected and also its working fine. Love this version, compare to vista. Everything work well except my webcam. My webcam is an A4tech PK-635M. Windows installed drivers for it automatically. when I checked and try to use, no display...
    • vaikz
    • Thread
    • a4tech display issues drivers hardware installation pk-635m troubleshooting webcam windows 7 windows vista
    • Replies: 2
    • Forum: Windows Graphics and Gaming
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