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I bought a new laptop today - presario compaq, but it wont power up. Blue power light comes on, blue light where power cord goes in is blue. I have attached external screen but it does not come on even though there is power to it. I don't know what buttons to press - if any, to power up external screen. The Store put in a gig of ram just before I took pc home. If it is loose could this effect it.

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I had the same problem with my laptop. You might check and make sure the ram was installed correctly. One of my ram cards was not clicked in all of the way!

Posted on Jul 12, 2008

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