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Re: power on password problem
Notebooks are tough. Some systems, like Toshiba, have a USB based dongle you can purchase to reset the BIOS PC startup password. I'm not sure how Compaq does it, but I would recommend you contact HP/Compaq. It's likely that they will require you to mail it in for them to take care of.
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Here are some links where you can get drivers for your HP Compaq Presario F750US. Please click the appropriate OS for your computer.
HP Compaq Presario F750US drivers:
Windows XP Windows Vista Windows Vista 64bit
Hope this can help. Take care.
Go to the HP Support site on the web and get yourself to the 'Drivers and Downloads" main page. Type in the p/n (product number) in the provided box and click go/arrow...whatever. When you're at your laptop's entry page for drivers, enter Vista as your operating system. If you're running 64 Bit W7 enter Vista 64. Almost all Vista Drivers work with W7. Look through the list of drivers until you find webcam/camera software/driver link. Download by SAVING to your desktop. Do not run the driver install from the HP/Compaq site. Double click the driver app icon on your desktop and follow the prompts. That should have you squared away.
What kind of device are you trying to connect. If it is a hign amp device like old external HDD, it could cause he issue. In such cased connect both the USB pins provided to facilitate more current flow.
Also check the status of USB from device management. No warning symbol should be displayed.
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