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dem 4700 with 640cpu fan is running fast and loud

put a 640 cpu in and worked fine for a couple years.Now fan is running fast do I need to renew thermal paste?MY computer is on patio outback and gets pretty hot out there

Broadcom wireless adapter prob. with Win 7 (XPS420)

Hello – Just upgraded my XPS 420 to Win 7, + bought new Linksys router and experiencing problems connecting to internet. Have spent about 3 hours w/ Linksys tech support (incl L2) and they suggest upgrading the adapter driver.

blutooth problem ~ icon is red on systray and pressing Fn+F2 doesnt work!

i’ve searched and tried some solutions but not even one works for me. i’ve checked my VOSTRO 1500, the device manager states that the device is working properly. the bluetooth configuration however states that the device is not found.

Inspiron 1520 Sound Level Display Has Stopped Appearing

I have an Inspiron 1520. Until recently, when I pressed one of the sound buttons (mute, raise volume, lower volume) on the front of the computer, a little graphic would be displayed on the screen that showed the sound level based on the change I just made by pressing the button.

Solar Powered Fridges Have Huge Impact on Struggling Villages in Swaziland

swaziland.jpg
photo: J. Novak

Swaziland is one of the poorest and most rural nations in the world. Most of the villages have no running water, electricity, or refrigerators. But a new innovation is serving to make life a lot more manageable for rural families in Swaziland. The communal building in many of the villages now has a solar powered fridge. See how these responsible refrigerators are impacting many African villages….Read the full story on TreeHugger