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Posted by Laptop Junction

Everyone who's using Windows on a regular basis has experienced the HELL side of it;. Crashes, Hangups, sudden weird behavior and a buildup of increasing slowness in everyday computing. After quite a bit of suffering a nagging question surfaces: Is it my computer or is it simply Windows causing all this trouble? Now there's a clear answer to this question.

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Posted by Laptop Junction

It's public knowledge for quite a few years, many WIFI networks are poorly protected. Although open unprotected WIFI networks are slowly starting to vanish, how well do the protected ones anyway? Here's a real example of challenging the security of an average residential WIFI network. The question came from a friend: Is my WIFI access point secure? Well let's see.

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Posted by Laptop Junction

The problems caused by failures of the DELL battery charging system in DELL laptops is lingering on for many years already. Little public information is available about the root cause why so many DELL Laptop AC adapters cause the infamous "AC adapter not recognized" message. And specially not from DELL who introduced the battery charging system in their laptops. Now, it seems that DELL has indirectly released public information through a patent intended to improve the DELL laptop battery charging system.

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Posted by Laptop Junction

With the popularity of laptops, wireless Internet using WIFI technology has become immensely popular. The need for more speed over a larger distance has pushed the wireless industry to produce more powerful and sensitive WIFI equipment. The legal FCC power limit for WIFI using omni-directional antenna's stands at 1 Watt maximum. A quick scan of the market reveals several brands producing WIFI consumer market equipment nearing the FCC limit.

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Posted by Laptop Junction

WIFI technology has brought many laptop / netbook travelers the joys of free Internet access. It's great to discover open WIFI networks with the opportunity to check e-mail for free and to surf the web. The same euphoria becomes frustration when the connection is suddenly lost. What usually follows are attempts to reconnect, wondering what might have happened. Here's practical info how to deal with weak or lost WIFI connections based on a 3,5 year and ongoing journey with the Machine through Asia, The Middle-East and Europe.

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Posted by Laptop Junction

While bashing around with a standard DELL Latitude D610 business laptop for more than 3,5+ years in Asia and the Middle-East, how would a rugged laptop, notebook have done in the same circumstances? The questions popped to mind on several occasions when the going got pretty tough for a laptop not designed for such extreme circumstances.
 

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Posted by Laptop Junction

The battery charging system used in a wide range of DELL laptops has caused quite a bit of frustration among it's customers. Top ranked is the "AC Power adapter not recognized" warning with DELL laptop batteries not being charged. This alone has triggered a quest for information in many Internet forums mainly because DELL has not come forward with a reasonable explanation into the cause(s) of the problem. So here's info about the architecture and a bit of background of the battery charging system used in DELL laptops.
 

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Posted by Laptop Junction

With the confusion and frustration of DELL laptop batteries not charging because of dead ID chips in DELL AC Adapters, here's a few bits and pieces about the DELL PA-10 and PA-12 AC Adapter family. Findings are based on tests with a DELL D610 Latitude laptop.

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Posted by Laptop Junction

Alfa USB 500mw Wifi Adapter Awus036hWith the arrival of the DELL Optiplex Sx280 ultra small desktop the Senao 100mW WiFi card is replaced by more powerful WiFi hardware. In 5 years the wireless network industry released new WiFi standards and produced hardware with more capabilities. The old Senao 802.11B  100 mW PCMCIA card is replaced by a Alfa Network 802.11 B/G 500 mW USB connected WiFi client. Here's a bit about both WiFi adapters, WiFi antenna's and a short performance review.
 

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Posted by Laptop Junction

Sharing files and printers on a local Microsoft windows network can be hell. Specially when there are firewalls involved blocking the required local communication. Here's a few bits and pieces how to get file and printer sharing going again on an Internet connected Windows XP machine. In this case with McAfee Security Center, Firewall and Virus Scanner.

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