Lexar Professional UDMA CompactFlash SD reader (USB 2.0) has worked before with other cards, but my new Lexar Professional 800x 8 GB Compact Flash UDMA 7 card shows on my desktop briefly, then disappears. An error message shows that it was not ejected properly. Sometimes it shows 3 options: initialize, ignore or eject, but the desktop icon disappears when I click on any of them. I have 55 photos that I need to download off this card.
You can try using a file recovery software like Bad Copy Pro 4.10.125. It works well for me.
SOURCE: Sigma card reader/writer doesn't recognize my new SD card
Hello,
What I suspect here is that, the USB port that you are using is a USB 1.0 port, which has a lower voltage not enough to power on your Storage drive.
In this case, there are two things you can do,
1. Change the USB port you are using for the storage drive to a USB 2.0 one (Just keep Checking all the ports one by one in case you dont know which one it is).
2. If your Storage drive has external power facility, just plug it in an external power first, before connecting it to the system.
If there are no USB 2.0 Ports on your system at all,
then just go to any electronic store and tell them you want to buy a USB 2.0 Expansion card.
and if it is a laptop, A USB 2.0 PCMCIA card.
Install it on your system, and connect your external drive through it.
Hope this helps you out.
Goodluck
SOURCE: Shot with Lexar Professional 233x 16 GB compact flash but can't retrieve images.
Connect compact flash to a Windows box. Check Disk with Repair and Fix.
Go to Start > Run (Search). Type cmd ENTER. From the Command Prompt type chkdsk x: /r/f ENTER. X being the drive letter.
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