Cosine

Cosine provides both on-site service and carry-in service plus instant remote support for residential and business computer users in the western Nevada County (California) area including all of Grass Valley, Nevada City, Penn Valley, and Alta Sierra. We provide instant remote support anywhere in the U.S.

Got a computer problem?

We can help!

We are waiting for your call at
(530) 263-0413.

We can help with:

unable to boot or log-on
virus / spyware infections (especially fake windows security virus)
email and web browser problems
printing issues
setting up and troubleshooting DSL or cable internet connections
wireless (and wired) routers and networks
system too slow - boots slow and / or operates slow

Think of us as your personal IT department. We feature remote support as well as, in-home service and in-office service, so you don't need to shlep your computer to us.

We specialize in supporting Windows PCs (98, ME, NT, 2000, XP, Vista, and Windows 7) and OS X Macs.

There is no charge for initial phone consultations so call or email us today to find out how we can help you.

Read what people think of our services.

Contact Information: phone: (530) 263-0413 email: Help@CosineComputerServices.com