Flash Drive Not Recognized?
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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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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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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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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Aug 13, 2011
I have a cd with pictures on it from my holiday. When I got home I tried the disk in my ps3 and all the pictures were there I then tried it in the e drive of my pc but it doesn't recognize the disk at all. I have since tried it back in the ps3 and now that doesn't recognize it either. Am desperate to recover the pics??
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Mar 16, 2012
I was wondering if somone could help me out. My dvd r, rw was allowing me to watch movies. but now windows 7 is only recognizing it as a burn and will not allow me to play dvds. If I put a DVD in to play it, the disc ejects and windows asks me to insert a a disc into d drive.
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Nov 28, 2011
After removing a virus, my 3rd hard drive is no longer being recognize. Myapologies if this should be in hardware, but I didn't know if it was something that had to do with windows 7The virus was anti-virus protection 2011.I used antizeroaccess, stopzilla,avg(which is my normal antivirus), malwarebytes, and kaperskyYes all of them. It was a nasty virus.My main hard drive c: shows up as well as my second drive. e:. My other drive used to show up as well as f: but since all of this it hasn't. Nothing else was changed besides resetting the cmos battery and a couple of disconnect reconnections, becasue the drive wasn't showing up.Ide channel 0 master and Ide channel 0 slave (set to cable select). are the 2 hd'sIde channel 4 is a disk drive.The 3rd HD is also set to cable select. but that shouldn't matter cause that's what it was set to before.I also tried another spare hard drive I had with the same connections as the 3rd hard drive ( marked as slave and cable select). It was not found either.not in my computer or in bios
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Jul 30, 2010
I had Windows 7 installed under Western Digital 400 Gigabyte Driveat first I got the BCD error message so I tried a repair with the rescued disk. When I use the repair tool the drive is recognized as Windows 7 followed by the letters zero. If I boot to another drive both drives are listed but I cannot open the damaged drive and under properties it shows 0 GB. I tried using the command prompt and the bootrec commands and they appear to complete but still the drive will not boot and is listed as having 0 GB. I can not understand how I could have lost all the files unless the repair utility in trying to fix the disc wiped it clean.
what to do next short of reinstalling window seven.
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May 23, 2009
I have THREE Hard Drives.
1) XP. Old PATA hard drive
2) Windows 7 SATA
3) New Hard Drive (E; with program files, back up, images, music.
Sorry, I had to edit this message as every time I went to type E colon, slash, it gave a smiley face. so the E; = E colon, slash to indicate E assigned hard drive letter, the new hard drive.
When I boot to XP with the new hard drive (E; shows up fine.
When I disconnect XP and boot to Windows 7, the new hard drive (E; shows that it installs fine (lower right in windows, shows that the OS see's it and says it installed fine), yet I cannot see it.
The configuration that does not work is two (2) SATA drives, one with Windows 7, the other, the new hard drive.
To be sure, I disconnected the Windows 7, connected XP (PATA) and booted again, sure enough, the new hard drive (E; is fine and shows up.
I then disconnect and attach the Windows 7 hard drive with the new hard drive, (I even tried moving the SATA cable around) and Windows 7 boots fine, shows me that it installs the newly found hard drive (E; but does not show up on my computer.
Now, here is what may, or may not be a bug.
The new hard drive was formatted NTFS in WINDOWS XP, the drive letter assigned was E:, when I boot to Windows 7, I have a Virtual Clone Drive which also has the letter E: assigned to it. Could it be possible that Windows 7 does not know what to do since the Virtual Hard Drive was there first and therefore, doesn't show the new hard drive when running Windows 7?
I have tried everything I can to get it to be seen in Win 7 to no avail. Again, it works fine in XP, but does not show up in Windows 7.
Has anyone heard of this problem before? Do I need to rename, or assigned a different hard drive letter to E:? If so, how do I do that?
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Jun 2, 2011
I've got a relatively new 1tb Buffalo drive connected to a Laptop.Its been working fine, but now Windows 7 wants to format it.On connecting the USB cable the disk spins up OK, but then the Win message comes up saying it wants to format the disk.I'm far less keen on reformating the disk than Microsoft are because there's data on the disk that I want to keep.
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Dec 18, 2009
I'm using a Dell laptop Studio XPS 1640. Ok, I was about to upgrade to Windows 7 and it listed a couple of programs that needed to be deleted, so I uninstalled them. The 2nd or 3rd time I was required to restart my computer, it froze at the "Shutting Down..." screen for about 20 minutes. I waited and waited and decided to power down. I turned it back on, and it didnt say Windows was not shut down properly, so i figured it was ok.
However when I booted back up, I was going to eject and re-insert the upgrade CD. I hit eject, nothing happens. Hit eject again, nothing happens. I go to Computer to try and view the CD thats in my CD Drive....NOTHING SHOWS UP! MY CD drive is now UNRECOGNIZED by my computer! Now I cant complete the upgrade. Not to mention, the upgrade made me uninstall itunes and my virus protection, saying a new version will be installed automatically after the upgrade.
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Apr 25, 2011
I have two hard drives; an older 20gb hard drive that is was forced to use to install Windows 7 and a 1tb Seagate Constellation ES ST31000424SS SAS hdd. Neither my bios nor the disk manager in Windows 7 are recognizing the 1tb drive. I have checked and rechecked the connections and power and both seem fine. In all my computer has in it:
-Gigabyte GA-X58A-UD3R mother board
-8 gigs of ram
-an i7 quadcore bloomfield processor
-nvidia quadro workstation graphics card
This is my first build but i have been looking for some time at different threads and i can not find a solution to the problem. The Constellation is an SAS drive that I'm using a converter cable to change into SATA connections. The url for the converter is: [URL]
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Feb 13, 2013
My iomega ext.drive , model LPHD-UPC suddenly stopped recognized in Windows 7 ?
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Jan 4, 2012
Attached an external sata hd with an esata connection. After power boot, external drive not recognized and also secondary internal sata hd not recognized.
Do I need to do something to the BIOS?Sinch stonooka has chosen the best answer to his/her question.Click here to view the answer that was selected.
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Nov 26, 2011
For some reason my USB floppy drive is not found or recognized in Win 7 64 bit, it was working but not anymore. Can't find it in Computer Management-Disk Management but it is listed in Devices and shows no conflicts.
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Feb 26, 2011
I've been using a 1TB iOmega external hard drive with my laptop for about a month and a few days ago it stopped working and isn't being recognised, the power light comes on when i connect the usb cable to the laptop but there is no noise from the hard drive at all and it doesn't show in disk management.
I took it into work with me and connected to my work PC (which runs XP) and it works fine, also tried it on another laptop which is running Vista and it doesn't work.
Laptop is an HP Pavilion DV6
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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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Jul 1, 2011
I have an external hard drive, and a lot of data saved on it. My laptop recognises it, but i can't access it. When i go to device manager and try intialize, it says it is not ready.
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