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There can be several reasons for Flash Drives not being detected by your computer.
First your computer is not able to provide drivers for your Flash Drive. Now, for your information, you do not need to install any drivers from outside if you are using Windows 2000 SP4,Windows XP or Windows Vista as they come with native support for these devices.
If you are thinking that you are already using one of these versions of windows still your computer is not able to mount your Flash Drive. Don't worry,that's why I am writing this article. Just read on...
If your are not on one of these Windows version then your problem can be easily resolved by just installing the drivers which you get on a disc that comes with your Flash Drive. If you did not receive any disc,try checking out the manufacturer's website and it should be there for sure. If still no luck,then try contacting me....
Remember, everything is explained here assuming that you are on Windows XP but need not worry as other Windows like Vista should work the same way.
Let's come back to the topic..
There are several possible reasons for Flash Drives not mounting on your computer. Mentioned below are few of them:
Drive Letter Conflict
Flash Drive not formatted properly
Windows require some patch or update
Problem with the USB port
Physical connection problem
So, let's start with the first one, that is, drive letter conflict.
Now, this can be the problem when you are trying to use your Flash Drive in a network environment. The best possible solution to this problem is to change the drive letter assigned to Flash Drive. This can be done by going to Disk Management and right clicking on Removable Drive and then clicking on Change Drive Letter. You can select any drive letter which is not assigned by windows to any drive or partition in any computer inside a network. Also, before changing the drive letter it's recommended to check if your Flash Drive is showing in Device Manager under Disk Drives. If it's not there that problem can be something else.
If changing Drive Letters does not help and drive is showing in Device Manager then probably you should try disconnecting that computer from the network by taking out the network cable or if you are inside a corporate environment then try contacting you IT deptt to know the drive letter not being used anywhere.
Let's talk about the second scenario. If the drive is not formatted properly that means that it's mounting up and being detected by the computer as well. It's just would be giving a message to Format the Drive when trying to access it. This can happen if the File System has corrupted on Flash Drive or its not formatted in the supported format. For example, if you are trying to use a Flash Drive formatted in Ext2 file system in Windows Computer. The only solution to this problem is to format the drive in the supported format. For windows you should always format the drive in Fat or Fat32 and in Macintosh you should use MSDOS as this will also be supported by Windows computer. Please note formatting the Drive will ERASE all data. So, if you have any important data kindly try using a different computer to see if drive works or contact a Data Recovery company. If you want some reference kindly leave a comment.
Also, if you are not able to format the Flash Drive, please try using the HP USB Disk Storage Format Tool. It's made by HP but works on generally all Flash Drives.
Now let's talk about problems that can happen because of any updates or patches. No matter if you have the latest service pack for your Vista or XP computer. Still, there are few updates or rather say patches which need to be installed if you face any such problem.
Vista Patch
Please find the link to Vista Patch at the end of this article.
As per Microsoft the patch will fix the following issues:
" When the computer resumes from a suspend state or from a hibernation state, the computer stops responding. Additionally, you receive a "0x9F" stop message on a blue screen.
" The computer takes a long time to resume from a suspend state or from a hibernation state.
" The computer takes a long time to resume from a suspend state or from a hibernation state when you use a VIA controller.
" The computer stops responding when you use an Authentic USB fingerprint reader. Additionally, you receive a "0xFE" Stop error on a blue screen or a "0x9F" Stop error on a blue screen.
" The computer stops responding when you use a USB Bluetooth audio device.
" The computer takes a long time to resume from a suspend state or from a hibernation state when you use an Enhanced Host Controller Interface (EHCI) controller.
" The computer stops responding when you remove a USB device. Additionally, you receive a "0xFE" Stop error on a blue screen.
" When a computer resumes from a suspend state or from a hibernation state multiple times, you receive a "0xFE" Stop error on a blue screen.
So go and install this even if you are facing a different problem related to but not similar to this.
Another patch for XP Service Pack 1 is also include at the bottom.
There are chances of problems with USB ports as well which happens rarely but the possibility is still there. The best way to identify is to attach any other USB device on the same port and check if that device works or not. For Example, USB Printer. Also of you are using a Desktop and inserting the drive in some front USB port then try using some port at the back.
Here , I would like to add one more point. If you have a high capacity drive like 8 GB and you are trying to use it on an old computer then due to inadequate power support the drive may not mount properly.
Sometimes, even if the icon for Removable disc appears under My Computer,the drive may not work properly as the complete capacity will not be mounted in case of inadequate power. You can check this by right clicking on Removable Disc and then clicking on Properties. If one this window, both free and used space is showing 0 KB then this can be the possible problem. In order to fix any issues related to inadequate power supply you can purchase USB Power Hub from any computer store and attach it to the USB port. What it does is that it will convert the low power supplied by USB port to little high power.
But, remember this problem generally happens in case of old computers. Before purchasing USB power hub, you can also try the back port of your computer if you are on Desktop.
And Last but not the Least, improper physical connection is the general cause for Drives not getting detected. This may happen if USB port or connector on Flash Drive has bent or physically damaged due to which drive is not able to make a contact with pins on USB port. In this case, you should also look the inside area of port or connector and if any damage found please take it to some local technician of Drive manufacturer to get it fix.
So, this was my first article. Any feedback will be appreciated.
Thanks
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E-commerce is the use of Internet and the web to transact business but when we focus on digitally enabled commercial transactions between and among organizations and individuals involving information systems under the control of the firm it takes the form of e-business. Nowadays, 'e' is gaining momentum and most of the things if not everything is getting digitally enabled. Thus, it becomes very important to clearly draw the line between different types of commerce or business integrated with the 'e' factor.
There are mainly five types of e-commerce models:
1. Business to Consumer (B2C) - As the name suggests, it is the model involving businesses and consumers. This is the most common e-commerce segment. In this model, online businesses sell to individual consumers. When B2C started, it had a small share in the market but after 1995 its growth was exponential. The basic concept behind this type is that the online retailers and marketers can sell their products to the online consumer by using crystal clear data which is made available via various online marketing tools. E.g. An online pharmacy giving free medical consultation and selling medicines to patients is following B2C model.
2. Business to Business (B2B) - It is the largest form of e-commerce involving business of trillions of dollars. In this form, the buyers and sellers are both business entities and do not involve an individual consumer. It is like the manufacturer supplying goods to the retailer or wholesaler. E.g. Dell sells computers and other related accessories online but it is does not manufacture all those products. So, in order to sell those products, it first purchases them from different businesses i.e. the manufacturers of those products.
3. Consumer to Consumer (C2C) - It facilitates the online transaction of goods or services between two people. Though there is no visible intermediary involved but the parties cannot carry out the transactions without the platform which is provided by the online market maker such as eBay.
4. Peer to Peer (P2P) - Though it is an e-commerce model but it is more than that. It is a technology in itself which helps people to directly share computer files and computer resources without having to go through a central web server. To use this, both sides need to install the required software so that they can communicate on the common platform. This type of e-commerce has quite low revenue generation as from the beginning it has been inclined to the free usage due to which it sometimes got entangled in cyber laws.
5. m-Commerce - It refers to the use of mobile devices for conducting the transactions. The mobile device holders can contact each other and can conduct the business. Even the web design and development companies optimize the websites to be viewed correctly on mobile devices.
There are other types of e-commerce business models too like Business to Employee (B2E), Government to Business (G2B) and Government to Citizen (G2C) but in essence they are similar to the above mentioned types. Moreover, it is not necessary that these models are dedicatedly followed in all the online business types. It may be the case that a business is using all the models or only one of them or some of them as per its needs.
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Employees will always react to change...positive or negative reactions. It doesn't matter if the change is major or if it's a minor change to a process. People react! So how do you as a manager handle your team's reaction to a change?
Before you can evaluate your team's reactions, you first need to become aware of your own reactions.
==>How Are You Reacting to Change?
-Do you support the change 100%?
-If not, why? You may have no choice but to implement a change. How do you motivate your staff when you are not entirely behind it? It's important to understand your own reactions, as they will permeate all your efforts to get your team on board.
-If the change is company wide, never express to your staff that "the senior management" wants this done now. Why? You are sending several messages to your team....you are not behind it and you don't take full responsibility for your role as their manager. The latter is a habit your staff will quickly pick up.
-You may feel that there is too much work and it feels like a luxury to stop and reflect on your staff's reactions. Your team is there to work, so they need to get on board quickly. Though I do agree that businesses need to move quickly in this competitive environment, it's important to add to the planning stage how employees may react to this change. Without an understanding of your team's potential reaction, you may not successfully implement the change. Remember change occurs at the employee level.
-What is your response to your employee's reactions: Are you annoyed, do you judge them for reacting, or are you accepting and understand that people react.
-Are you knowledgeable about the business reasons for the change? Managers are strapped for time and have many responsibilities, so they don't always get all of the details. Employees will recognize that information is missing... and will fill in the blanks...so be informed.
==>How to Support Your Team Members
Some individuals fast track changes; others need to handle each step deliberately.
-As employees become aware that there is a change brewing, communicate to them as soon as possible. The grapevine is very powerful and disruptive, so it's smart to decrease potential negative responses.
-Make a list of all your employees and assess who is potentially impacted and how they may react to the change. Find your champion, as well as your greatest resister. Both of them will be your partners in creating change...though for different reasons. Your champions will help promote the change. Your resisters will help you with the design of the change and communication.
-Try to include your staff members in the process...gather their concerns as soon as possible. They may also have important points to add to the change process.
-Create a communication plan right from the beginning and keep adding important messages to send out.
-Let them know that changes will evolve and you will inform them along the way.
-Stress the benefits to them and let them know how this change will make it easier for them.
-Listen to them...listen to their concerns, their fears, their input.
==>Watch for Obvious and Subtle Resistances
Employees have different styles in resisting change. If you anticipate ahead of time potential areas of resistance, you can create a solution to handle the situation.
-The employee who seems on board, but never is able to implement the change.
-Employee is still confused about what to do even though you or someone else have given them instructions several times.
-How does the employee respond to the change....actively asking questions or passively accepting the change? -Are they challenging the change...it doesn't make sense to them.
-Do they have a low tolerance to change? Any change creates anxiety for them.
-Do they have a limited view of why the change is necessary...only see how it affects them?
-Talk negatively to other employees about the change.
Since change is ongoing, you have probably handled situations with employees around change. The more analysis you can do upfront helps you communicate the change in an effective and productive manner.
Copyright (c) 2008 Pat Brill
Cell phone (telefone celular) is a wireless, portable, long-range, electronic telephone, which during travel can seamlessly change antenna connections, from one radio reception cell to another radio reception cell, without dropping or losing the ongoing call.
Besides the standard voice function of a telephone, latest cell phones (telefone celular) have features such as SMS for text messages, MMS for multimedia messages, radio, games, internet connectivity for email, browsing, blogging, music (MP3) playback, memo recording, built-in cameras and camcorders, ringtones, personal organizers, Push-to-Talk (PTT), Bluetooth and infrared connectivity, call registers, streaming video, downloading video, video call, and also serve as wireless modems for PCs that can be connected to the Internet.
The power in a cell phone (telefone celular) is obtained from rechargeable batteries, which can be recharged from the mains, a USB port or a cigarette lighter port in an automobile. Nickel Metal Hydride were the most common types of batteries, which due to the "memory effect" (the user can recharge only when the entire battery is drained off) were replaced by Lithium-Ion batteries, which did not suffer from any memory effect.
Cell phones (telefone celular) came into existence because of the invention of hexagonal cells in 1947, for the base stations by Bell Labs engineers at AT&T. This was further developed during the 1960s by Bell Labs. During a call, the channel frequency could not be changed automatically from one cell (base station coverage area) to another cell (base station coverage area) as the person traveled from the area of one cell to the area of another cell. Amos Joel of Bell Labs invented a breakthrough invention and called it as the `call handoff` by which the channel frequency could be changed automatically from one cell to another cell, during the same call, as the mobile user traveled from one cell to another cell. Due to their heavy construction, these phones were used mainly in automobiles.
The first practical cell phone in a non-vehicle setting, and which could be handheld, was invented by Martin Cooper, the General Manager (Communications Division) of Motorola, who made the world`s first handheld cell phone (telefone celular) call on April 3, 1973.
The technology by which the cell phone (telefone celular) works depends on the mobile phone operator; however, all of them use electromagnetic radio waves, which are in touch with a cell site (base station). The base station is composed of several antennas which are mounted on a pole, tower, or building. Cell sites are spread at a distance of 5 to 8 miles (approx. 8 to 13 km) from each other. The low power transceiver from the cell phone transmits the voice and data to the nearest cell site. During movement, the cell phone will "handoff" the information to other cell site. Mobile phone operators use many technologies to maintain the smooth stream of digitized data from the cell phone to the cell site and vice versa.
The wireless telephone technologies are grouped under heads known as generations, starting from zero generation or 0G. The current generation going on is 4G; however, there are old cell phones (telefone celular) that still operate on 1G, 2G, and 3G technologies. The wireless telephone technologies used in each generation are as given below:
0G: PTT, MTS, IMTS, AMTS, OLT, MTD, Autotel/PALM, ARP
1G: NMT, AMPS/TACS/ETACS, Hicap, CDPD, Mobitex, DataTac
2G: GSM, iDEN, D-AMPS, IS-95/cdmaOne, PDC, CSD, PHS, GPRS, HSCSD, WiDEN, CDMA2000 1xRTT/IS-2000, EDGE (EGPRS)
3G: W-CDMA, UMTS (3GSM), FOMA, TD-CDMA/UMTS-TDD, 1xEV-DO/IS-856, TD-SCDMA, GAN (UMA), HSPA, HSDPA, HSUPA, HSPA+, HSOPA
4G : UMB, UMTS Revision 8 (LTE), WiMAX
Frequency bands: SMR, Cellular, PCS
The impact of cell phone (telefone celular) usage on human health has been of considerable worldwide concern. Research studies in Copenhagen, from the Danish Institute of Cancer Epidemiology, the National Cancer Institute, and the Institute of Cancer Research, do not establish any link between cancer and cell phone usage. However, an intergovernmental agency IARC (International Agency for Research on Cancer) forming part of the World Health Organization of the United Nations, undertook a study of 4,500 users and found a statistically significant link between cell phone usage and tumor frequency. Further research is going on.
Cell phone (telefone celular) usage and driving is a common worldwide phenomenon. Some jurisdictions have banned usage of hand-held phones during driving, but allowed the hands-free fashion of cell phone usage while driving. However, studies have found out that the distraction is caused by the conversation itself; hence, both hand-held and hands-free cell phones contribute towards road traffic accidents. Further studies on cell phone usage and driving are going on.
Nokia Corporation is currently the world`s largest manufacturer of cell phones (telefone celular). Other notable cell phone manufacturers, in alphabetical order, are 3G, Audiovox (now UT Starcom), Benefon, BenQ-Siemens, Fujitsu, High Tech Computer Corporation (HTC), Kyocera, LG Mobile, Motorola, NEC, Panasonic (Matsushita Electric), Pantech Curitel, Philips, Research In Motion, Sagem, Samsung, Sanyo, Sharp, Siemens, Sierra Wireless, SK Teletech, Sony Ericsson, T&A Alcatel, Toshiba, and Verizon.
This article is under GNU FDL license and can be distributed without any previous authorization from the author. However the author's name and all the URLs (links) mentioned in the article and biography must be kept.
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The LG BD640 is a spectacular entry level, inaugural Blu-ray disc player just released by the manufacturer for the 2011 year. It comes with LG SimpLink™ connectivity, a USB 2.0 playback function, Dolby® TrueHD Digital Plus surround sound features, express reaction startup, 1080p high definition upscaling features, Blu-ray 1080p high definition playback functions, access to online streaming media content, and embedded Wi-Fi options. If the consumer is seeking an affordable Blu-ray player option with upscaled features, the BD640 is a perfect solution.
The LG BD640 is very much like the LG BD630 in terms of its outer housing. It has a black casing that makes it easy to match up to your current entertainment system. The device has a spring loaded disc tray centered in the front panel. On the right hand side one will find controls for the pause, stop, power, and open and close functions of the device. In the same area is the remote control sensor. This device is sold with the player body, the audio video cables one requires, and the remote control. The rear panel of the device sports connectivity options including the AC power cord, the video out connection, the 2CH audio out, the component video output, the HDMI output, the digital audio output, and a LAN port.
The LG BD640 is a Blu-ray player of exceptional value; this device gives the consumer access to DVD entertainment, audio entertainment, and streaming content from YouTube® and other online offerings. The user also gets access to BD Live® features, and it offers access to NetCast® functions as well. With this device, the user can record audio tracks, watch entertainment from different angles, and access things for Netflix®, Vudu®, or files stored on a USB device.
The LG BD640 will playback an array of format options. The user can view and/or listen to all of the following formats on the BD640: GIF, PNG, JPEG, JPG, MPEG2 TS, MPEG2 PS, MPEG-4 AVC, MPEG1 SS, H.264, XVID, M4V, WMV, ASF, MP4, MKV, MPEG, MPG, and AVI. This player allows the user to playback CD-R/RWs, audio CDs, DVD-RWs, DVD-RWs, DVD+Rs, and DVD-ROMs. Discs measuring 8 centimeters and 12 centimeters can be played back on this player. The BD640 has embedded Wi-Fi so there is minimized clutter and no need for excess wiring. The high definition playback options ensure high quality images with all presentations. With the express reaction start up it is mere moments to accessing one's entertainment selections too. The tray on the device is quick loading as well.
The LG BD640 has so many superb features that the user will be surprised to find that it is really an entry level offering. This device has an entry level price tag with premium features housed inside. Users can enjoy online content, personal photographs, files, graphics, music, movies, and more, all from one device. The high definition output and the high quality sound ensure that the user will enjoy unforgettable entertainment presentations.
