Flash Drive Not Recognized Under Windows 7
Feb 9, 2010
I have an HP laptop which I recently upgraded from Windows XP Pro to Windows 7.
The flash drive (Lexar Firelfy 2GB) I was using on the XP OS can no longer be read under the Windows 7 OS. Information are stored in it (I am able to access it with computers other than mine), but my computer does not see them.
I have also tried different flash drives with the same results. Under disk management, my computer detects the flash drive but is unable to read it.
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Jun 30, 2012
I installed the Chrome OS IMG file on my flash drive and tried to boot from it, but it turns out my flash drive is now un-recognizable. I tried assigning a different drive letter in computer management, but it doesn't show up there. Sometimes it will show up and Windows will say that I need to format it, but the format always fails.Other flash drives are recognized by my computer. I am using a Lexar Jump Drive, but I'm not sure what model it is.
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Jan 12, 2013
I'm running WIN 7 on my home pc and transferred some files via a Flash Drive to a laptop running XP Pro to go on a trip. Upon my return I update my home pc with the data from laptop/FD; I've done this with no problem many times. Upon my return this time my home pc will not recognize the FD. I've updated the driver, checked Disk Management, etc all to no avail. The FD isn't recognized and neither is a second FD I tried. They both work on the laptop.
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Oct 28, 2009
I've created the ISO file and moved it to the 4g drive using the AWESOME guide found here. However, the BIOS doesn't seem to recognize that the device is present. I've done some research and found that some usb drives aren't compatible with the BIOS? I made usb storage the only available boot option and nothing showed up.
However when I look at the drive while in Vista through my computer->G: It shows up as a windows system. I've also seen somewhere about enabling "Legacy usb"? I didn't find anything like that. Should I just got buy another flash drive and try again?
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Jul 16, 2012
since last week ive been having a adobe flashplayer problem . I need to do you tube videos but now I cant get any videos everytime i try and get a video it tells me i must have adobe flashplayer 9 or better installed on my computer !!! Ive downloaded flashplayer 11.3 like 40 times and it still does not work . Its like flash-player is not recognized on my computer no more even though it is downloaded and installed.
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Jan 6, 2010
I have tried multiple fixes and still cannot connect any flash drive or external drive to any usb port on my computer without the dreaded "Usb not recognized" error. My mouse and keyboard are both usb and have worked fine though. I have unplugged the power cord from my psu for a few minutes. I have booted into safe mode. I have deleted the infcache.1 file. I have check my Bios settings (and have latest bios update). I have completely removed all the usb devices in device manager and rebooted which reinstalled everything. I have booted the computer up with a flash drive already in a usb port. I have gone into Drive Manager to see if anything is recognized without a drive letter. I have even applied the hotfix from here - [URL]. Nothing seems to work, yet all of these devices work fine on my netbook running Windows XP.
When I originally installed Windows 7 everything was working fine. I would say it roughly stopped working a month or two ago. I don't constantly use flash drives or my externals so I could be a little off on the time frame (why I didn't do a system restore). I first noticed the problem when I plugged in my Tmobile G1 phone to transfer files and it wasn't recognized. My phone would still charge off of the usb port, but I couldn't mount and browse the 4 gig sd card in my phone. It was working before because I have files on my phone that I transferred from my computer after the Windows 7 install. I started testing out my known, working flash drives as well as my usb powered 2.5" external drive and they too come up unrecognized on all usb ports (front and back).
My specs:
AMD X2 5000+ BE
Gigabyte GA-M55plus-S3G mobo
G.Skill PI Black 4GB ram (2x2 - DDR2 800)
2 Western Digital Sata drives
Nvidia 9800 GTX+ video card
450 Watt PSU (don't remember brand right now, but good amp rating on 12v for video card).
Windows 7 Ultimate x64
The only drivers I am using for the system that are not the default Windows 7 drivers are for my video card and onboard audio. Onboard audio is the only Windows 7 driver provided on the Gigabyte website for my motherboard. What shoild I do, check or double check or should I start considering formatting and a reinstall of Windows 7 (which I have been trying to avoid)?
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Jan 17, 2013
How can you copy one flash drive to another flash drive,on the same computer?
Tech Support Guy System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 7 Home Premium, Service Pack 1, 64 bit
Processor: AMD Athlon(tm) II X4 630 Processor, AMD64 Family 16 Model 5 Stepping 2
Processor Count: 4
RAM: 3839 Mb
Graphics Card: ATI Radeon HD 4200, 256 Mb
Hard Drives: C: Total - 702932 MB, Free - 657555 MB; D: Total - 12368 MB, Free - 1523 MB;
Motherboard: FOXCONN, 2AB1
Antivirus: Norton 360, Updated and Enabled
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Mar 21, 2011
I recently installed Windows 7 Professional 32 bit on my computer. I actually installed it clean, because I had Ultimate on it; unfortunately, the copy I obtained was not genuine, so I got a genuine Professional in its stead. This problem started in, but I figured when I got a genuine copy of Windows, it would be fixed. No such luck.n is pressed; I have to stick a paperclip in the manual eject hole. The Device Manager doesn't even show that a CD Drive is installed, neither does any other program. I tried editing the registry myself and deleting the "upper filters" line, or whatever it is, but that didn't work. I have been attempting to find drivers, tools, or anything else that could help with this, but nothing seems to be working.Here are the specs for my computer: Product Specifications HP Pavilion dv2945se Entertainment Notebook PC - HP Customer Care (United States - English)
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Jun 14, 2012
I am trying to fix a iOmega harddrive for a friend and the issue that he has is that the iOmega is not being recognized by his computer. The device has power, the disk is spinning and the led is on and stays constant, no flashing or anything. I have tried to see if the device was in Device Manager but it is not. The device is not being recognized by Windows 7 at all. No beeping noises when I plug it in or anything. I have tried multiple USB ports as well as other computers. The device just isn't being recognized.
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Jul 17, 2012
I have a brand new set up that is running windows 7 64 bit on a ASrock H61M-GE, supports UEFI (not sure if it is automatically enabled) with a 3TB hdd that is the boot drive. There are no other hard drives available on the computer. Windows has only recognized 1.99TB of the drive in the OS, the other 7XXGB are unallocated. I would like this drive to be in "one piece" and be booted from. How should I go about making this work?
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Apr 4, 2011
I have two external USB drives, one independently-powered, one USB-cable-powered, both with NTFS and linux ext2 and ext3 partitions. Under Windows 7 both drives show up under Device Manager with the Property: "A driver (service) for this device has been disabled. An alternate driver may be providing this functionality. (Code 32)".
None of their partitions show up in "My Computer". (BTW, the partitions are all good and they are all usable from the linux side of my dualboot system.) I probably disabled the guilty service(s) myself. To get Windows 7 to work reasonably, I disabled all the services I thought I wouldn't need.
Which service(s) do I have to look at to get the disks to work again? The powered disk is a Hitachi HTS545016B9A300 and the unpowered one is the internal disk from my previous laptop, a "Seagate Desktop USB Device," both as reported by the Device Manager.
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Jul 4, 2011
I have an external Samsung 640Gb hard drive which is not showing up in Windows Explorer, even though Device Manager shows it as recognized and working properly. I am running Windows 7 Home and this is something new as when I bought the drive it showed up in Explorer. I really need this drive as all my backups and programs are on it!
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Oct 18, 2012
I used to run 2 WD Caviar Black 1TB each, I decided to get a 128gb Intel SSD, put the other 2 WD drives over to SATA port 2 and 3 with SSD on port 1. I did not format the WD drives since they both have data on it, port 2 WD still has Windows 7 installation on it.
When I started up after installing SSD, I went to BIOS to ensure everything is in working order, I noticed only 2 drives are detected, the SSD and WD on port 3. Tried several things like check connection, power connection, switched SATA cables, switched ports. Still no difference.
I went ahead and installed Windows 7 on SSD, disk manager does not detect WD on port 2.
Is it because that WD on port 2 still has windows installation files? How can I fix this? I have critical data on there that I need to access to.
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Oct 19, 2012
I have a terabyte external, WD Element I think. I have never had an issues before but today I plug it in (to play Diablo III) and it is not being recognized. At all. It's not in Disk Management, I can't find it anywhere. Suggestions or reasons this might be happening out of no where??
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Oct 8, 2012
Before I even go further: yes, the "hide empty drives" has been unchecked)I had to reinstall my machine and I was able to to see the drive letters for the internal flash card reader. However I think something might have gone wrong when I give my external HDD a drive letter that was held by one of the flash card reader).I wrote "I think" because I am not really sure since I never wanted to use the internal card reader till today so I never noticed there was an issue. Anyway, the internal card reader does not show up even when I insert a card in the reader. Basically nothing happens. I have uninstalled the "USB Mass storage device" and it gets installed without any issue but the problem is still there: I can't see the reader. the INTERNAL flash card reader has a USB slot and when I insert a EXTERNAL flash drive, the EXTERNAL flash drive shows up.
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Jul 8, 2011
I'm having a bit of a problem with my DVD drives not being recognized. In a prior post, one of the fellows on this stream (Randy) solved the problem I'm having by suggesting that I edit the Upper and Lower Filters in the Registry. Unfortunately, I've lost this information. This time, I'll put it in a Jump Drive and lock in a safe!
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Mar 3, 2012
I have a Sandisk Cruzer Titainium 4MB USB drive. It is recognized as a 'CD drive' and I can't do anything with it at all.
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May 23, 2012
The other day, my computer seemed to totally stop recognizing that my CD/DVD drive even existed. No icon in my computer, with or without a disc in it.
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Dec 28, 2009
Got windows 7 for xmas, 32 and 64 bit, been all over the internet trying to find a solution to this problem !!
the problem is basically when i put in my windows installation disc, its not recognised or appearing in the dvd drive on my computer.
The dvd works as i tried it on my friends pc last night to see if maybe they'd sent me a blank one or something.
It shows up as having nothing in the drive
My mobo is Asus p5n-d and my dvd is optiarc ad-1707S
Please help i can't take windows xp any longer
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Dec 16, 2011
Cd is not recognized in dvd drive of my computer but dvd works ok. OS is Win7
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Sep 30, 2012
when i plugged my 2gb sandisk in my laptop a massage appears that usb not reconized
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Dec 7, 2012
my pendrive is not recognized by PC and it shows device driver software not successfully installed?
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Aug 30, 2012
Why are SAN drives recognized as local drive while NAS drives aren't?I knew that SAN uses block level transfer to transfer data while NAS uses file level transfer. Does this has anything to do with why SAN drives and NAS drives are recognized differently by the computer?
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Sep 26, 2012
I know, should have a backup, I was actually about to create a backup when the flash drive failed on me unfortunately. My newest backup is from about 5 days ago, so I'd prefer to be able to restore the current files.
I moved the drive over to another computer and tried to save a file but when I checked again the file was gone, like it never saved at all. Subsequently, after removing and plugging it back in the computer did not detect the drive (or see it in disc management). It does show up as a generic USB drive in the device manager, but there are no properties for it.
When I add it to a computer, it still adds drivers for it, but then nothing happens after that. It may also be a hardware problem, since the drive fell on the ground pretty hard a while back, but seemed to be working fine. There isn't an easy way to open it up and check.
I also tried using a few data recovery programs, but they couldn't detect the drive either.
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Mar 28, 2012
I recently built myself a new system from scratch, and plan to install Windows 7 Home Premium 64-bit onto it using an OEM copy I purchased from retail. I had planned to save money on my new machine by not installing an optical drive, since I have no need for one. My original intent was to take the optical drive out of my old machine and use it just to install Windows, but in short-sightedness didn't realize my old optical drive is not compatible with my new motherboard. After a bit of research, I have found a number of websites detailing methods of installing Windows 7 using a USB Flashdrive. I have an 8GB Flashdrive so I had hoped to work-around my problem through this method, but ran into a new problem. All of the guides require that the data be copied from the disk to the flashdrive using Windows 7/Vista, and on my old machine I am using Windows XP (which from my limited understanding, doesn't play friendly with USB drives). I found a couple of other articles detailing a more complicated method that works with XP, BUT doesn't work for me, because my copy of XP is 32-bit and the copy of Windows 7 I want to use is 64-bit.
I don't know anyone with a copy of Vista/7 64-bit already to use or with a compatible optical drive to borrow, and I really hope to avoid buying an optical drive just to install Windows.
Does anyone know of a method that I can get the information I need to install Windows 7 64-bit onto a USB Flashdrive using Windows XP 32-bit? Or any other way to get my DVD of Windows 7 installed onto my DVD drive-less computer?
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Apr 28, 2011
i know i know... there's tons of threads about making flash drive bootable, put windows 7 onto flash drive and even has a post said ... installing windows 7 onto drive ... but no answer...i have bootable windows cd a laptop with bootable usb port capability... i am NOT trying to make a bootable windows 7 flash drive...i am trying to install windows 7 onto this removeable drive so if my hdd really dies, i can just use this flash drive as a hdd to continue do what i am doing light weight computer tasks
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Dec 21, 2010
I have Windows 7 Ult-64 installed on my desktop. I made a USB flash drive with the installation files, so I know I can boot using a flash drive. I would like to be able to boot into Windows 7 using only a flash drive (no hard drives connected). Is this possible?
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Apr 20, 2012
Would it be possible to install Windows 7 x64 Ultimate onto my 32GB USB Flash Drive as a portable OS on the go? I'm not talking about creating a Windows 7 Installation USB Flash Drive as an alternative to a DVD Installation, I'm talking about being able to have Windows 7 x64 Ultimate OS on a USB drive.
I'm asking because I need to be able to have another Windows OS on a separate drive in order for me to be able to Secure Erase my OCZ RevoDrive PCI-E SSD using OCZ Toolbox.
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Jun 13, 2012
In order to be able to Boot from a flash drive , I understand this ability must be enabled in ones system .I have a desktop and a new laptop in neither of which do I see this choice .I presume this is a choice originally installed on the m/b and it would not , therefore , be possible to use software to enable it ?
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Jun 17, 2011
Is it possible to install Windows(XP/Vista/7/embedded) onto a USB flash drive, such that it is bootable from any PC (assuming it supports USB boot and meets the minimum OS requirements)?The installation should ideally provide basic services necessary to perform mundane activities such as web surfing and word processing. I've seen guides for installing Windows onto USB flash drives and HDDs, but not one that claims to be portable. Is this at all possible?
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Dec 7, 2011
I got my first computer build done. I am a student so I decided to buy Windows 7 from Microsoft for the student price. I had to download it so I didn't have a disk to load it from. So I followed this guide on how to use a flash drive to install Windows 7. HOW TO: Install Windows 7 from a USB stick. So far I have all of it done. I download Windows 7 as an ISO file. used MagicISO to convert extract it to my flash drive. I went through all the steps to turn my flash drive into a boot device. I put all the files onto the boot device flash drive. I start up my new build and go into the BIOS. I set the boot priority to boot first from my flash drive. When I save and restart it gives me the message that the boot device has no boot software on it.
-Have the flash drive formatted as boot device.
-Have all the Windows 7 files extracted onto flash drive.
-Changed BIOS to boot from flash drive.
-Still not working.
Also I can't redownload Windows 7 or redo this because the files are already extracted onto my flash drive.
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