New iPod Upscale Video to HD

A couple of upcoming iPod docks come with the standard "video out" feature, but with a twist—they'll upscale your images to 720p or 1080i. Pretty nice, but don't expect a full-on HD image, and brace yourself for the respective price tags.

Straight out of Macworld comes the DLO HomeDock HD, a sleek iPod dock with an HDMI output (along with composite and S-Video connections), an RF remote, and the ability to upscale standard-def iPod video to 720p or 1080i. Now, let's make something clear from the get-go: like upscaling DVD players, an upscaling iPod dock won't magically turn your iPod video into crystal-clear HD. Instead, upscaling devices interpolate 480p signals to take better advantage of 720p- and 1080i-capable displays. The results vary, of course; in the case of the DLO HomeDock HD, CrunchGear blogger Matt Hickey was impressed enough with the demo to call the HomeDock one of the cooler offerings at Macworld.

Another new contender: the Creative Xdock HD, which not only handles HD upscaling duties but also juices the audio as well, using a technology Creative calls "X-Fi Crystalizer" and CMSS-3D (enough initials for you?) to turn stereo sound from the iPod into full DTS surround sound (akin to receivers that convert stereo tracks to Dolby Digital Pro Logic II surround). Even better, the Xdock HD (which debuted last week at CES) can wirelessly transmit audio to the bundled X-Fi receiver.

Good stuff, but neither of these high-end docks come cheap: the DLO HomeDock HD will retail for $249 when it hits stores this spring, while the Xdock HD (also due this spring) will sell $399.

How do I share files on a wireless network? Wi-Fi Problem Fixs

You will need to set up a workgroup and make sure that all PCs are assigned to the same workgroup, then enable file sharing in Windows. First, right-click on the folder you want to share, choose Sharing and Security from the right-click menu, then click the Sharing tab. Put checks in the boxes labeled "Share this folder on a network" and "Allow network users to change my files" to enable others to modify the documents. Now just, click OK.

How do I open ports on my router? Wi-Fi Problem Solvers

Certain applications,IP Webcams, home FTP servers, and online games—require that you open ports on your router to allow outside requests to be sent to an internal computer on a home network. This procedure, called port forwarding, is pretty straightforward. First, you'll need to find out which ports you need to open for your particular application or service. Then, you'll open those ports on the router. All models are different, but the process is similar. Open your router's configuration tool, and find a tab labeled Port Forwarding. Enter the service or software name, then type the Start Port and End Port numbers. If you're opening one port, enter the same number in both fields. Select TCP as the protocol, then click OK. Check your router's Web site for instructions for your specific brand.

I cannot connect to my router. How do I Fix This Wi Fi Problem

This is a problem with an almost limitless range of causes and solutions. First, make sure your router is configured for Dynamic Host Configuration Protocol (DHCP). If it is, try disabling and re-enabling the DHCP function. If that doesn't work, disable wireless security and see if you get a connection; sometimes a mismatched Wired Equivalent Privacy (WEP) key can drop the IP address. You should also check for electrical interference from competing devices such as cordless phones, baby monitors, alarm systems, and microwave ovens. Disable all suspect devices, then recheck your Wi-Fi connection. If none of the Wi Fi Fixes I mentioned work, reboot the router and all computers on your network.

I Can't connect to wireless router or access point How Do I fix This

Most such wireless host devices have a web page that can be accessed with a standard web browser (e.g., Internet Explorer). Check the user manual for the address of the web page, and try to connect with a web browser.

If that doesn't work, try to ping the wireless host; under Microsoft Windows, click Start → Run,
type "%COMSPEC% /k ping WIRELESSHOSTADDRESS" and press [Enter].

If that doesn't work, check network addresses with Start → Run,
type "%COMSPEC% /k ipconfig /all" and press [Enter].

The wireless adapter network address will normally begin with the same three number groups as the wireless host web page; e.g., if the wireless host web page is 192.168.1.254, then the wireless adapter should be something like 192.168.1.11.

If you have a wireless router (not an access point), the Default Gateway should normally be the same network address as the wireless host web page.

If all else fails, you may need to reset the wireless host to factory default settings, and start over. Check the user manual for how to do this.

Wireless router locks up and has to be restarted How Do I Fix This

Possible causes:
Firmware bug Upgrade firmware to the latest version, downloaded from the manufacturer website. In some cases it may be necessary to ask Support for more current "beta" firmware.

Upgrade to a better/newer router
ARP cache/table overflow (typically in an older router)

Overwhelmed by peer-to-peer (P2P) filesharing application (e.g., BitTorrent/Azureus, eDonkey/eMule)

Reduce the maximum number of connections in the P2P application. Start pretty low and then work up to a maximum safe level.

My Wake On LAN (WOL) won't work from the Internet how Can I Fix This

The problem is that for a router to send magic WOL packets to your network, you need either: 1.an external router interface for generating and sending magic WOL packets, or 2.manual enabling of a static route or directed broadcast. Many (most?) low-end routers don't have that capability because of the risk of smurf denial of service attacks.
WHAT IS A SMURF ATTACK?

The smurf attack is a way of generating a lot of computer network traffic to a victim site. That is, it is a type of denial-of-service attack. Specifically, it floods a target system via spoofed broadcast ping messages.

In such an attack, a perpetrator sends a large amount of ICMP echo (ping) traffic to IP broadcast addresses, all of it having a spoofed source address of the intended victim. If the routing device delivering traffic to those broadcast addresses delivers the IP broadcast to all hosts (for example via a layer 2 broadcast), most hosts on that IP network will take the ICMP echo request and reply to it with an echo reply, multiplying the traffic by the number of hosts responding. On a multi-access broadcast network, hundreds of machines might reply to each packet.

Today, thanks largely to the ease with which administrators can make a network immune to this abuse, very few networks remain vulnerable to smurf attacks.

The fix is twofold:

Configure individual hosts and routers not to respond to ping requests to broadcast addresses, and Configure routers not to forward packets directed to broadcast addresses.

Another proposed solution, to fix this as well as other problems, is network ingress filtering which rejects the attacking packets on the basis of the forged source address.

Wi-Fi Speed Whay Is my Wi Fi Connection Slow Slow

The raw speed reported by your wireless network adapter is not necessarily a reliable indicator of actual raw speed. The reason is that transmit speed fluctuates according to the wireless error rate, and when the wireless link is idle, unrealistic speed may be reported (since no errors are occuring when the wireless link is idle).

Data can only flow on one wireless link in one direction at any one time, which means that the maximum data transfer rate will be well below half of the raw wireless network speed.

Increase transmit power
Won't help on receiving, so higher power may well be needed at both ends.
Takes a lot more power to make a substantial difference in range.
May increase interference to other users of the frequency band.
Improving antenna (helping sending & receiving) is usually more effective & neighborly.

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My Wireless connection drops periodically How Do I Fix This

Possible interference
Try manufacturer's wireless connection manager -- If your hardware came with its own wireless connection manager, trying installing and configuring it to manage wireless connections. (Some drivers will not maintain the association with the strongest signal access point in situations with high density access points.)

Too much wireless (RF) interference

Switch to a different channel
First try minimally interfering channels: 1, 6, and 11

If that doesn't solve the problem, try other channels

Remove interference (e.g., replace 2.4 GHz cordless phone with 900 MHz or 5 GHz cordless phone) Use a directional antenna or reflector pointed
toward desired radio, and
away from source of interference,
Switch to 802.11a (5 GHz)

PROBLEMS WHEN I ADDED WIRELESS ACESS TO A WIRED NETWORK

When adding wireless access to a wired network, as in the diagram, be careful not to create double NAT problems. Since the wired router already has NAT, use either:

1.a wireless access point with no NAT instead of a wireless router (with NAT), or
2.a wireless router setup as a wireless access point.

iPHONE WIFI FIX'S--PROBLEMS SOLVED

If you are switching between different Wi-Fi networks and you are unable to access the Internet on the iPhone or perform other data activities thru Wi-Fi, try turning Airplane Mode on and then off (tap Settings and turn Airplane Mode on and then turn Airplane Mode off). For iPod touch, turn Wi-Fi off and then back on again (tap Settings > Wi-Fi and turn Wi-Fi off and then turn Wi-Fi on). If the issue continues, tap Settings > Wi-Fi > Other (under Choose a Network) and then enter the Wi-Fi Network Name (SSID) and select your Security setting and enter your password. VISIT MY i PHONE SITE
If you are receiving the error message "Unable to Join Network Failure (error -3)" on the iPhone or iPod touch try this
Unable to Join Network Failure (error -3)" connecting to Wi-Fi
verify your Wi-Fi Network Name (SSID) and Security setting (WEP password, WEP hex or ASCII, WPA, or WPA2) for the device.

On the Wi-Fi Access Point/Router, you should verify if MAC address filtering is turned ON or OFF on the router, whether the security settings on the router match the iPhone or iPod touch (WEP password, WEP hex or ASCII, WPA, or WPA2), and try disabling (QoS) quality of service if that feature is turned ON for the router. FREE i PHONES
If you are still receiving the error message "Unable to Join Network Failure (error -3)" on the device when attempting to connect or join to your Wi-Fi network after trying the above suggestions, tap Settings > Wi-Fi > Other (under Choose a Network) and then enter the Wi-Fi Network Name (SSID) and select your Security setting and enter your password. i PHONE HACKS NEWS DOWNLOADS AND FIX'S

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