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Laptop can't access flash drive. - Computers & Internet

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Can you see the icon that says a hardware was detected on your system, or sometimes check if its plug and play, or if you need a driver on the system, make sure your usb ports are working, or check it on another system.

Posted on Nov 03, 2008

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Pen drive access denied


USB ports and devices make connecting to another computing device convenient.
USB technology has been around since 1996, and is a feature found on most modern computing devices.
If your device is denied access to one of its USB features, do some troubleshooting to isolate and resolve the problem.
Viruses
Some computers come with a security feature that automatically denies access to a USB device, such as a flash drive, if harmful content is detected.
Installing an anti-virus software application and regularly scanning the computer and any connected USB devices can help you avoid experiencing denied access to a USB device.
Avoid opening USB flash drive files that you cannot identify or do not recognize, as these types of files are how viruses find their way onto unprotected computers.

Incompatibility

Inserting an incompatible device into your computer's USB port can also cause you to be denied access to your device's USB features.
For instance, if your computer supports USB 1.0 technology and you insert a USB 2.0 or USB 3.0 connector, the computer can experience interfacing problems that may cause a "USB access denied" prompt or situation.
If other USB devices begin to malfunction after inserting an incompatible USB cable into your computer, turning the computer off and back on again may resolve the situation.



Formatting
USB flash drives, also known as pen or thumb drives, are among the most common types of USB devices used in conjunction with computers.
Most USB flash drives are formatted using one of three types of formatting methods: FAT16, FAT32 or NTFS.
If you've formatted a USB flash drive using one method, used it on the computer and then reformatted the drive using another method, you can be denied access to the flash drive through the computer's USB port.
Wiping the flash drive clean and reformatting it again can resolve this type of problem.

Considerations

Many computer accessories, including printers and pointing devices, connect through the machine's USB ports and can interface interchangeably with multiple computing devices.
This feature increases the risks of picking up viruses and experiencing unauthorized reformatting. Limiting the amount of computers your USB devices accesses can help you avoid these situations.
Damaged USB cables can also make it impossible to access USB devices when they are connected to your computer.
USB cable damage usually occurs at the points where the cable and its connectors meet. Replace any damaged USB cables.
You have to be the computers administrator to change any values on any hard drive on your computer.
Click start control panel user accounts on the users tab click the name of the computer Administrator you must have full control.
Click start click to open on my computer you should see your usb drive could be E: or something right click select properties there will be an array of options
select the sharing tab option then advanced sharing make sure you have a tick in the share this folder box then click permissions make sure you have all 3 boxes ticked full control changes and read in windows 7
If you are running a Windows XP OS then you might be able to:
Click start right click on my computer select open
Right click the icon of your Flash Drive (It should be F:/ or something)
Click Properties in the menu that comes up
Click the Sharing tab
Click permissions
And finally, click Allow next to Full Control.


http://www.webopedia.com/TERM/U/USB.html

Sep 06, 2013 | Computers & Internet

Tip

How to test performance of Flash Drive


Check Flashis a freebie program that helps user to test and format flash drives with the utmost ease. It is designed for maintenance operations as well. The interface is a simple with a single window available, which provides all the test-related settings while presenting the drive map, log and verification progress. The application is capable of running both read and write tests in order to determine the speed performance of the device and its health.
cheeckflash
Check Flash presents the settings in the right part of the screen in four different sections covering Access type, Action type, Test length and Test results. Of course, there is a section that lets you choose the flash drive to be evaluated and which features a refresh button, thus allowing adding multiple removable drives without having to restart the program.
The way the read/write tests are performed and the list of options available for the operation are set according to the way you provide access to the flash drive. You can choose between using a temporary file, access it as a logical drive or as physical device. The differences between these three types of drive access consist in the safety level of the procedure and the number of options enabled.
Using a temporary file for the test gives you a minimum of features but, on the other hand, it is totally safe for the evaluated device. Treating the flash as a logical drive will give Flash Check access on partition level and is the second safest alternative to use; plus more options will become available under the “Action type” section.
The most unsafe method to test the removable storage device is to treat it as a physical device during the evaluation. This method is not recommended as it is unsafe for all the partitions present on the selected device but, on the other hand, you benefit from the full set of features in the software.
In “Action type” you get to choose between six procedures to test the removable device, all of which being available depending on the access type specified. The list of options includes read stability test (reads all data a few times and verifies the CRC given on first pass), low-level initialization (available only if you treat the flash as a physical device), which lets you edit the partition information of the selected device, save image (saves full binary image of the chosen partition or device), load image (writes a previously saved binary image) and full erase (effaces all of the drive’s surface).
For 50% of the presented actions several tests can be performed, continuously or until you decide to stop the assessment. All options in the “Test length” section are pretty clear, but “Burn it!” is the one that is not self-explanatory. It actually sets a loop in the testing that requires your intervention to stop.
In the lower part of the screen the test results are displayed: number of completed cycles, error found, read and write speed. Also, there is a progress bar to give you a hint on the completion of the operation. Unfortunately, the application cannot estimate the finish time. Left hand side of the application window shows the drive map, log and legend.
Check Flash 1.08 supplies a fat set of features to test your flash disk and see exactly how fast it can read and write data. It is portable and flexible enough to let you choose from three different drive access methods as well as select between six tests to be performed and how many times to repeat them. It is a very handy instrument that can help you detect the fake flash memory drives.

on Jul 15, 2010 | Computers & Internet

1 Answer

Flashing power access light ... laptop not reading drive at all.



It is the Problem With your Battery of the Laptop ........ Replace it

Apr 24, 2009 | Computers & Internet

1 Answer

Flashing light on bottom left hand side of laptop


You did not mention which laptop model you have, which makes a diagnostic a little bit difficult.
The light you describe (3 discs) indicates that either the internal hard drive or optical drive is being accessed.
That is generally ok, if you read or write from your hard drive or you have a CD/DVD running.

It CAN indicate that you do not have sufficient memory installed and the RAM can't handle all the requests, so it has to write and read constantly to and form the hard drive. This is called "Memory swapping". This happens also if you are not doing anything that involves the hard or CD drive (in idle).

This would answer your question, but if you need any other information, come back here and let me know. In that case it would be helpful to know which operating system you are running and how much RAM you have installed.


Mar 02, 2009 | Compaq Presario sr1111nx 2.53GHz Celeron...

1 Answer

Laptop does not recognize the flash-drive after it's pluged in.


there are some reasons why it does not work.
1- You do not have correct drivers for the flash drive, and the computer will not recognize the product. simply update the driver for the flash drive and it will work. To do this go to the flash drive companies site and search for product driver updates
2- You have damaged your flash drive to the point where windows will not even recognize it. To prove this, plug multiple usb devices into the port and test if they work, and test the flash drive in different ports in your laptop and other PCs. If it is still not working, then it is faulty and will not work. Purchase a new one if this is the case

Hope This Helps

Nov 18, 2008 | Computers & Internet

1 Answer

I have a 4gig Maxell flash drive in which I store family pics. Suddenly, when I plugged it into my laptop the other day, I was told it was not formatted and did I wish it to be so. Obviously I clicked on...


Try it on another pc and if it works fine back up your pictures.
Go buy a new flash drive.
Then go to mozy.com and sign up for an online offsite storage account.
You can get a free 1yr account with 5GB storage

Nov 05, 2008 | Computers & Internet

1 Answer

How to use Flash Drive v12w


connect your flash driver in your desktop or laptop with usb port then u found that driver in my computer.then simply access it.


Nov 01, 2008 | HP Computers & Internet

2 Answers

USB Flash Drive Problem


Instead of trying to access them when they do come up, try shifting them or making a backup.

Mar 13, 2008 | Computers & Internet

4 Answers

Toshiba 2GB USB Flash Drive Capacity Problem


format the Flash Drive in in slow mode
click on the properties of flash drive
then click on tools then CLICK ON DEFRAGMENT NOW TAB

Mar 11, 2008 | Computers & Internet

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