How to protect your wireless router from malware

O D worries that other people, including criminals, can see his IP address. “What can happen if they come into my router?”

As I pointed out last year, your router’s IP address is anything but a secret. Every website you visit gets a look at that number. And from that IP address, they can discover your ISP and your general location (your neighborhood, but not your address).

But can they infect your router with malware? It’s not likely, but the danger is significant enough to take precautions.

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How to connect your laptop to your HDTV without HDMI

Ramanathan wants to stream video from his laptop to his HDTV. But his laptop doesn't have an HDMI port.

You can have an Internet-ready smart TV with a Roku plugged into it, and at some point you'll want to watch something that neither of them support. (For me, it's password-protected Vimeo streams.) That's when you need to plug your laptop directly into your HDTV.

If your laptop lacks an HDMI port, connecting it to a TV isn't so easy. But it isn't incredibly difficult either. It's all a matter of figuring out which ports you do have and which adapters you need.

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How to fix a laptop's broken screen (with many caveats)

Betzy's laptop has a cracked screen. She asked about getting it fixed at a reasonable price.

First, a disclaimer: Neither I personally nor PCWorld are in the computer repair business. We're here to offer advice. I'm happy to answer your tech questions, but please don't ask me what I charge to fix your computer. I'm a writer; I charge by the word.

[Have a tech question? Ask PCWorld Contributing Editor Lincoln Spector. Send your query to answer@pcworld.com.]

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How to recover lost photos from your camera or phone

Don G. accidentally deleted photos from his camera. I tell him how to retrieve them.

Whether recovering photos is easy, difficult, or impossible depends on a number of factors. One important factor is where the photos are stored. If they’re on a removable card, such as an SD card, you’re in luck. If they’re in your phone’s internal storage, you’ve got a far more serious problem.

[Have a tech question? Ask PCWorld Contributing Editor Lincoln Spector. Send your query to answer@pcworld.com.]

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How to remove encryption from a PDF file

R Venkat occasionally receives encrypted PDF files. Once the files are safely in his PC, they don’t need that protection. How does he remove it so he can more easily open the file?

There are times when a PDF truly needs encryption—for instance, if it contains sensitive information and someone just emailed it to you (let’s hope they used another communications method to send you the password). Once on your internal drive, this file should still be encrypted. But if you keep your sensitive files in an encrypted container, or if you’ve encrypted your entire drive, the file’s own built-in encryption is just an inconvenience.

So here’s how to remove it.

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Enter Windows 8 Safe Mode when you can't boot Windows 8

Glennr4466 found a flaw in my advice about booting into Windows 8 Safe Mode. Because it requires a reboot, it doesn’t work if Windows refuses to boot at all.

If Windows 8 won’t boot normally, it probably won’t boot into Safe Mode, either. You can try the trick of repeatedly pressing and releasing F8 (described in my previous article), but it seldom works with Windows 8.

So what can you do? You have to fix the problem that’s keeping your PC from booting at all. Then, once Windows 8 can boot, you can reboot it into Safe Mode (if you still need to).

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How to handle a Facebook bully or stalker

An anonymous reader has been getting a lot of unwanted, and potentially frightening, attention on Facebook. I offer some advice.

If someone on Facebook continually insults you, upsets you, threatens you, or makes unwanted sexual advances, ask them to stop. If they do, fine. If not, you've got a stalker.

First, ask yourself if you feel physically threatened. If the bully is threatening you with violence, or stalking you in the physical world, or coming to your home, the problem is beyond cyberbullying. You need to call the police.

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