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Can’t connect to this network? Here’s the fix.

Dave Farquhar Windows July 6, 2016November 26, 2018dell, hp, intel, lenovo, optimizing windows, vista, Windows 10, windows 7

After upgrading to Windows 10, when I unhibernated my laptop the next morning, my wifi connection didn’t work. The connection dropped and I couldn’t reconnect. Forgetting the network and reconnecting didn’t help. Any time I tried to reconnect to my wireless network, I’d get the message that Windows 10 can’t connect to this network.

The problem seemed to be in the power management.

Dave Farquhar

David Farquhar is a computer security professional, entrepreneur, and author. He started his career as a part-time computer technician in 1994, worked his way up to system administrator by 1997, and has specialized in vulnerability management since 2013. He invests in real estate on the side and his hobbies include O gauge trains, baseball cards, and retro computers and video games. A University of Missouri graduate, he holds CISSP and Security+ certifications. He lives in St. Louis with his family.

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0xc1900201 error installing Windows 10

Dave Farquhar Windows July 5, 2016September 14, 2018dell, Windows 10, windows 7, Windows XP

Are you getting a 0xc1900201 error installing Windows 10? I got both that and 0xc1900200. Here’s how I fixed it.

I upgraded my venerable Dell E1505 to Windows 10 over the weekend. It was harder than it needed to be, but I got it running. It’s an old machine, but for some tasks, it can handle Windows 10.

Here’s how I got the Windows 10 install working.

Dave Farquhar

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What to look for in a monitor

Dave Farquhar Hardware June 1, 2016August 3, 2017dell, DisplayPort, power brick, power cord, sony, VGA

Most buying guides for monitors assume you’re buying a really expensive monitor for gaming. But there’s a lot more to look for than refresh rate and response time.

A good monitor can last 10 years and multiple computers, so it pays to make a good decision when buying one, even when you’re not spending $500. There can be a significant difference even between two $100 models, or between a $60 model and a $70 model, that will save you money in the long run.

Dave Farquhar

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New computer, old monitor

Dave Farquhar Hardware May 26, 2016October 5, 20191980s, acer, asus, dell, DisplayPort, hp, IBM, lenovo, VGA

New computer, old monitor: I see questions fairly frequently about using a new computer and older monitor together. More often than not, it’s possible to do, but you may need to know where to look for the cables and adapters you’ll need.

Here’s some help.

Dave Farquhar

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Who bought Commodore

Dave Farquhar Retro Computing January 14, 2016August 23, 2018amiga, commodore, dell, IBM, samsung

Commodore International went out of business in 1994, after nearly a decade of declining revenue. But the company left a significant legacy, which leads to some logical questions. What became of Commodore? Who bought Commodore?

Dave Farquhar

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When DD-WRT doesn’t work with Charter

Dave Farquhar DD-WRT, Servers and Networking January 11, 2016April 9, 2017d-link, dell, linksys, WAN, wrt54g

I set up a DD-WRT router on Charter’s Spectrum broadband, and had a hard time getting it to work. It wouldn’t pull an IP address on the WAN side, or it would pull a 192.168 address rather than a Charter public address.

Here’s what I had to do to fix it.

Dave Farquhar

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Here’s a better laptop than the typical Black Friday specials

Dave Farquhar Hardware, Saving money November 21, 2015December 17, 2015black friday, dell, Windows 10, windows 7

If you want a better laptop than the typical Black Friday special, I found just the thing: this Dell Latitude E6420 laptop from Newegg, for $225 (the price is good through Sunday, Nov. 22). It has several things going for it: it comes with Windows 7 Professional, so you can upgrade to Windows 10 when you want and you’ll get the better, more-feature-filled, easier-to-secure Professional version; you can upgrade the memory to 8 GB of RAM, and it comes with a 128GB SATA SSD, so you can drop in a bigger, faster SSD at a later date.

Note: When Newegg sells out of these, which happens occasionally, they’re fairly easy to find on Ebay, though some come with conventional hard drives rather than SSDs.

Dave Farquhar

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‘PC Does What?’ seems doomed to fail

Dave Farquhar Hardware October 19, 2015October 16, 2015apple, dell, hp, intel, lenovo, malware

A coalition of Dell, HP, Intel, Lenovo, and Microsoft are trying to figure out how to reverse the downward trend of PC sales, and what they came up with was a marketing campaign called “PC Does What?”

The problem is it’s not 1995 anymore, and it’s going to take more than a marketing campaign to change that.

Dave Farquhar

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Security flaws in security tools are all too common

Dave Farquhar security September 14, 2015September 12, 20151990s, dell, Log Logic, mysql, passwords, splunk

Fireeye runs a bunch of its processes as root, a practice that’s been a no-no since the late 1990s, and they’re more interested in litigation than they are in working with the guy who discovered it.

The attitude is all too common.

Dave Farquhar

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CD won’t rip? Try a different drive.

Dave Farquhar Hardware, Music, War Stories September 9, 2015July 15, 20171541, commodore, dell

A few weeks ago I uncovered a stash of CDs from my college and early bachelor days that, for one reason or another, I’d never ripped to MP3 format.

When I started ripping the discs, I got one clue as to why I never ripped some of them: Some of them made the DVD drive in my Dell laptop sound like a Commodore 1541. If you ever owned a Commodore, you know exactly what I’m talking about. If you haven’t ever owned a Commodore, let’s just say my drive groaned in protest very loudly, and in exchange for putting up with the noise and insanely long rip times, I received a bunch of errors and a few MP3s that played really poorly.

Dave Farquhar

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