Question about Memory Cards & USB Flash Drives

1 Answer



Posted by on

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.

    Vice President:

    An expert whose answer got voted for 100 times.

  • Master
  • 1,006 Answers

1) One of your USB devices have faulted, or is causing a resource conflict (or similar)
-- Remove all USB devices, and reboot.
2) Your USB chip/ports have been damaged.
-- Find a spare HardDisk or bacjup your data and re-install Windows and see how that goes.
3) Your Power Supply Unit (PSU) isnt supplying enough power to your PC (usually caused by a Video card upgrade). Try a more powerful PSU ... 400watts should do the trick
4) Bad memory (RAM) can cause wierd problems. run memtest for an hour to make sure your memory is ok

It seems that many people are still getting the 'USB Device not Recognized' problem from time to time. Unfortunately there is no easy fix.
Firstly, it's recommended that you make sure every one of your motherboard drivers are completely up-to-date, but you probably already knew that.
In XP, after a USB port isn't used for a long while the USB driver built into the OS sets the OHCI controller to suspend. When you plug a device back in, it can sometimes fail to 'wake up' properly. This problem was supposedly fixed in SP1 but there is a related registry hack that may still be able to help.
Run regedt32.exe and navigate to;
Create the Usb key if it doesn't already exist. Under this key, create a new DWORD value called DisableSelectiveSuspend and give it a value of 1. Then restart the PC.
A long shot perhaps, but I recall having similar problems with a USB hub built into my Microsoft keyboard and adding this key seemed to solve it. It wouldn't hurt in trying .
Alternatively, removing all entries relating to USB in Device Manager and all associated USB drivers will force XP into refreshing the USB driver stack.
Begin by unplugging all USB devices, then use Add/Remove Programs in Control Panel to uninstall any USB driver software. Next, boot up into safe mode and go to Device Manager. Once in device manager make sure 'Show hidden devices' is checked under the View menu. Uninstall all device entries in this order;
1. USB peripheral devices (printers etc.)
2. HID and/or Composite USB (Human Interface Devices) You're using PS/2 input devices so you may not have this entry.
3. USB Root Hub(s)
4. USB Host Controller(s) (Universal or Enhanced Host Controllers)
Then boot back into Windows (not safe mode) and it should populate the Root Hubs & Host controllers again. Proceed to plug your USB devices back in, starting with your powered hub. Be aware that most USB printers and scanners need to have their drivers installed first before you plug them in.
Hopefully some of this may be of help, let us know how you get on.

Posted on Oct 27, 2007

Add Your Answer

0 characters

Uploading: 0%


Complete. Click "Add" to insert your video. Add


3 Points

Related Questions:

1 Answer

How would I go on the Internet and copy video's and footage to my USB or flash drive?

A usb or flash drive is just like any other storage device. If your running a windows PC it will have a drive letter and can been seen in my computer or computer from the desktop. Let us know what operating system.

Sep 29, 2014 | Memory Cards & USB Flash Drives


How to back up your computer, how to back up pc

Backing up your computer is recommended if the data you keep on your computer is to important to lose. I will go over some tips and tricks on backing up your PC data.

Recommended Storage Devices
I recommend you use USB mass storage devices for backing up and retaining data. A good example of a mass storage device commonly used for data backups is external USB hard drives. I personally like Western Digital USB hard drives but there are many out there to choose from. You can take a look at some examples by visiting You can get 1TB drives very cheap and the prices continue to drop.

You can use other types of storage like USB flash drives, DVDs and even other computers. USB flash drives and external hard drives are cheap, easy to use and small, making them excellent storage devices.

It is recommended that you store data off of the computer who's data you are backing up. Why? If the computer is damaged, this can potentially ruin your backup and you lose the data. You want to move the data off the computer to reduce the number of failure points. For data that is even more critical to you, you can create additional backup copies so if one backup storage device fails, you have a copy of this. This process is called mirroring.

Backup Software
There are different ways to actually back up the data. You can do this manually or use software. I recommend using software to simplify the process. There are also numerous backup software utilities out there, some free and some costly. A popular free backup tool for average computer users is EASEUS Todo Backup and click here for the user guide. This tool is very easy to use.

An example of backing up data manually would be to click and drag the data like videos or images to a storage device. If you have a lot of data, this can be time consuming.

Backup Process
The backup process is simple and straightforward when using a USB storage device and back up software.

-Download and install your backup software tool.
-Plug in your storage device.
-Make sure your computer recognizes your storage device. Most devices are plug and play so once you plug it in, it should install device drivers and be ready to use.
-Run EASEUS Todo Backup software and click Backup to start the process or reference user guide for software you are using.
-Once your backup is done, you can store the storage device in a safe place.

What is the best backup method for me?
There are different types of backup methods and each have different pro's and con's so I advise to read up on backup methods and choose the best one that fits your needs.
You can click here to read about Differential vs Incremental backups. Either one will ultimately accomplish a backup which is what our end goal is.

General Tips
-After your initial backup I recommend you schedule backups to continuously keep your data up to date.
-Use USB storage devices like external hard drives and flash drives. They are cheap and small in size, big in storage space(GBs).
-Use backup software to simplify the backup process.

I hope this article was informative. Be sure to check out my other tech articles by clicking on my profile name and then going to "Tips" at the top left of my profile.


back up pc, back up computer, back up data, how to back up data, how to back up pc, how to back up computer, back up tips, storing data, protecting computer

on Jun 14, 2011 | Memory Cards & USB Flash Drives

1 Answer

How to format 4 gb memory card?

Try to format in your "Device" and if that fails go to PC. First make sure your card reader device supports SDHC. There are some old readers languishing in the back of drawers that should be tossed.

Given that your reader is capable of reading an SDHC card set the windows format for quick and set at FAT-32. If this fails just toss it.

Flash cards are born to die. There is a limited number of times it will perform a write. Long term storage is a bad idea. Never try a low level format, it won't work and will destroy the manufacturers low level formatting.

I had one last a whole 12 hours fresh out of the package. I had another that worked diligently in a cell phone for a year and a half. Moral being, they are all going to fail sooner or later. Best to be prepared. There is a reason Android phones can upload your fresh photo and video to a cloud storage drive. Once it has reached that limit depending on what area died it may say write protected or it may simply just be a dead chicklet of plastic. Either way that is the last Rodeo, it will never play the piano again.

A 4GB card these days cost of replacement Is barely comparable to the cost of the time to just walk it over to the trash can.

If you are lucky you may be able to copy any data off of it to your HDD for a while. So don't waste your last possible salvage. Copy everything off to a folder on the HDD before it losses an area needed to read.

Jul 28, 2014 | SanDisk Memory Cards & USB Flash Drives

1 Answer

How to unlock micro sd

Micro Secure Digital memory cards, or Micro SD cards, provide storage for a variety of different kinds of devices, including mobile phones, PDAs and cameras. They can be protected by passwords so that the information that you have saved on it is secure. Sometimes, the password can be forgotten or lost. Recovering your password is easily done with your computer and SD card reader on your computer.

Place the micro SD card into your card reader on your computer. Right-click your "Start" button and then "Explore". Find the micro SD card, it will be listed as a removable drive. Click on the micro SD card and the files will show on the right-hand side. Find the file that says " MMCSTORE" and then select "Copy." Right-click on your desktop and then click "Paste." This will move the MMCSTORE file to the desktop so that you can get access to edit it. Right-click on the MMCSTORE and then click on "Open With." Open the file with Notepad. Read the text to find the password. It will be in plain text. Remove the SD card from the computer and place it into the device for which it is used as storage. Turn on the device. When it prompts you for the password, enter it. Hope this helps.

Jan 05, 2013 | SanDisk 4GB microSD High Capacity Memory...

1 Answer

My 2gb micro sd which was in my blackberry isnt working, all my pics and videos are gone and when i put it into computer it says that the file system is raw and that the card is 1365gb it wont let me...


You do not say which operating system your computer is running.

Unfortunately read/write errors sometimes occur on these type of storage devices.

They are susceptible to water damage, shock damage, magnetism damage, static electricity damage, heat damage and physical damage.

There appears to have been some form of corruption that has affected the file format. Part of the storage area is not being seen by your operating system.

Hard disk management software such as Paragon Hard Drive Manager might enable you to make a copy of the data in the storage space that is not currently showing and then attempt to open the copy.

You can use Windows Software compatibility Manager to download software that converts raw files to other file formats that your computer can read.

Linux Diagnostics tools can often be effective in recovering lost data where windows based software fails.

Important data stored on ultra portable storage devices should always be backed up.

Try different Recovery Software ( is a good source). Different programs can have different success rates.

Here are some to consider:

Active File Recovery
Card Recovery
GetDataBack for FAT
O&O DiskRecovery
Smart Flash Recovery
Recover My Files

I hope this helps.

Good luck.

If my answer helps you, please take the time to rate it. This helps answerers to better understand the asker's point of view and helps us explore ways to provide and maintain high quality answers.

Thanks for using FixYa.

Aug 30, 2011 | SanDisk 2GB microSD Memory Card

1 Answer

I need a instruction manual. I am new at this sandisk.

There really isn't any manual for most usb flash drives. A flash drive is basically an USB Hard drive. It is a very handy device once you have figured out to use it.

Flash drives come in different internal storage sizes, so it is best you buy one that suits your needs. What makes it even better, is the fact that it is a plug-n-play device, which means that you will not have to install any drivers.

If you do not know what the storage capacity of your flash drive is, follow these steps to determine the storage size.

Plug the flash drive into your Desktop/Notebook USB port.

6aac1fd.jpeg 626f603.jpg

  1. Double click on the My Computer icon on your desktop.
  2. Now you should see your flash drive listed as a hard drive.
  3. Right click on your flash drive.
  4. Choose the properties option.
  5. Go to the general tab.
Now you should be able to see clearly how much of the storage is used, and how much free space you still have left.

To use the flash drive as a storage device:

  1. Almost all flash drives are Plug and play, thus plug the flash drive into the USB port, wait for your computer to detect the flash drive.
  2. Once detected, open the drive by double clicking on it's icon in My computer.
  3. Now you just need to copy the files and paste it on the flash drive.
  4. Copy the file by right clicking on it, choose the copy option.
  5. Go to the flash drive and right click, choose the paste option.
  6. When you are done. remember to go to the "Safely Remove Hardware" icon situated at the bottom of the Window's tray. Click "Eject" or the "Remove the Hardware Safely" option when finished.
Remember, if the files you want to copy is larger than the internal storage capacity of the flash drive, the file will not copy.

Hope this can give you a rough idea how to use a flash drive!!

Aug 12, 2011 | SanDisk Cruzer Micro 4GB USB 2.0 Flash...

2 Answers

How to copy a doc. file to the flash drive.

Ok. here is what you need to do.

1. Hook your flash drive to any of the usb slot in your computer.
see image below bcfce55.jpg

Wait for the system to read it. A green arrow icon will appear in the taskbar to show that a new removable hardware device is connected. After it successfully recognized, It will display a message " The device is installed and ready to use" at the lower right portion of the windows taskbar.

Click on My Computer a new drive will appear. It is usually designated as removable drive. On this drive you will paste the copied doc files. It is the assigned drive for your flash drive.

So go on., copy all the files you need to carry and paste it in the flash drive.

Be reminded also that before you unhook the flash drive from the computer, right click first on the green arrow icon on the taskbar and stop the operation. Click stop on the flash drive. This will turn off the remaining applications / readings in the flash drive and will prevent it from crashing and file corrupting.

I hope you understand.
Please give me some good ratings as this will help me too.

Aug 14, 2010 | SanDisk Cruzer Micro 8GB USB 2.0 Flash...

1 Answer

My 4GB pendrive is not working. when i coonect it to my pc then my computer can't read it .

plug in your flash drive then go to device manager then universal serial bus controllers expand it will see usb mass storage device right click in it and select uninstall now remove your flash drive and restart your system plugin flash drive.... this time it will detect your flash drive and..

Jun 07, 2010 | Transcend 4GB JetFlash 110 USB 2.0 Flash...

1 Answer

How do i use it to copy pictures from my PC using my sandisk

On the Windows system, the CruzerMicro appears as made up of two drives: A CD_ROM and a regular mass storage drive. If the letter of the CD-ROM is G, that of the mass sorage drive will be H.
You can explore both, but the one you want to drag and drop on (or Copy/ Paste to) is the second one (not the CD_ROM).
So you put files in the mass storage drive, safely remove it and plug it in the the MAC. On the MAC there will be only the mass-storage drive, because the other that appears as a CD_ROM on Windows is in fact a small OS that can only run on Windows (XP and maybe Vista).

However, it you have enabled the security feature of the drive (On Windows), you will not be able to open it on the Mac.

Hope it helps.

Nov 11, 2009 | SanDisk Cruzer Micro 4GB USB 2.0 Flash...

Not finding what you are looking for?
Memory Cards & USB Flash Drives Logo

Related Topics:

113 people viewed this question

Ask a Question

Usually answered in minutes!

Top Memory Cards & USB Flash Drives Experts

Brian Sullivan
Brian Sullivan

Level 3 Expert

27725 Answers


Level 3 Expert

281 Answers


Level 3 Expert

7983 Answers

Are you a Memory Card and USB Flash Drive Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides