SOURCE: Lenovo G450 2949
you have to install the microsoft UAA driver first then install the audio driver
SOURCE: problem with the wifi lenovo G450
Be sure your wireless switch is on. Then check your device manager. If it has yellow mark under network adapters, then you need to download driver for that. Click here to download driver. If that won't still work, try uninstalling Lenovo Readycomm from the list of your programs in Control panel. If that still doesn't work, contact your service provider to configure the wireless settings of your pc and router.
SOURCE: locate CMOS battery Lenovo Y570
It should be on your motherboard. You have to carefully disassemble you lap top .. Removing all Usb,Battery, and external connections.
U need a small screw driver to take it apart.
Leave your computer on for a day. If your need specifics let me know!
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