Question

Computer won't turn on, only shows black screen, white line

http://imgur.com/gallery/6t7n54s

Don't know what happened. No one's used the computer in weeks so have no idea if somebody messed with settings or accidentally got a virus or whatever. Optimum sent us a new modem and we replaced the old one. That's the last time I know the computer to be working. Doesn't show Windows logo or anything, just immediately shows this screen. Tried pressing ctrl alt delete and f8 for safe mode but no dice. Please help.

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Clarification Request
But what is it?

PC? OK, but no word on make, model, age.

As it stands you have The Dead PC.

All skill levels arrive here. For a dead PC (see link) the routine is almost always the same. Unplug it and plug it in again, test then start making it smaller. If it's a few years old, replace the CMOS battery (cheap, worth the dollar gamble.)

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No idea what the make and model is.

It's a lenovo brand, a desktop, and looks and pretty much functions the exact same as my laptop, HP Touchsmart 15. Says something on the back about product number C440? Don't know how many years it's been. Windows 8 has been around since 2012, so I'd say it's that old.

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Are you sure it's a desktop? I see an all-in-one.

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