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Some USB hubs are "powered", some are not. If you have several different things plugged into the hub, you most likely need a powered hub, one that plugs into the wall for power. USB devices need power supplied over the USB cable, and one computer socket can't always supply enough power for several devices.
Many people have found that their computers do not recognize the Eclipse mp3 Player, even after connecting with a USB cable. I had the same problem but discovered that the problem lies with the cables themselves. I have several USB 2.0 5-position cables that fit the Eclipse USB port perfectly, but only ONE of them actually works - the cable that came with the player itself. If you've lost this cable, you may be in trouble.
Attached is a screen-grab of the type of USB plug and port involved. You don't see them around very much anymore, and I have no further advice if your player doesn't have a USB port of this shape.
A quick fix for most communication errors can be achieved by
resetting the printer and/or rebooting the PC. Simply disconnect the printer
from your computer (if USB connected)> reboot your pc > unplug and
re-plug the printer into the power source to reset it. When the printer turns
on, reconnect it to your computer (if USB connected). Then try to print again
once the computer fully recognizes the USB connection or when the WiFi light on
the printer turns solid green (if WiFi connected.).
If that doesn't help, try the steps below:
Disconnect the USB cable
connecting the printer from your computer.
On your computer, go to Control
Panel > Printers and Faxes.
Delete the Lexmark print
Re-brick your printer by
pulling out the power supply - black box where the power cord is plugged
into on the back of the printer, and re-plug after 30 seconds.
When the printer turns on,
reconnect it to the computer.
Wait until your computer fully
recognizes the USB connection. To check, go to Control Panel > Printers
and Faxes. If you see a new Lexmark print object in the list, try to print
a document to verify that the problem is fixed.
The two most likely causes for this is either your USB port or the USB cable itself. Try plugging the device into different ports and if that doesn't work, get yourself a different USB cable. If neither of those works then your device is faulty and the only fix for that is to get it serviced by the manufacturer.
well, i searched up many solutions, but i ended up making my own.
step1 : connect your mp4 to the computer using the usb cable that was provided.
step2 : when the install wizard pops up, click the one with advanced.
step 3: click the one that says you will choose where to install it from
step4: check USB mass storage device.
i hope this helps many people, since i searched everywhere for a solution
try re installing the cd program of ur mp3 or if you dont have any... try this. (for windows computer only)
1- plug your mp3 in the computer using your usb. 2- go to my computer.... in the left task pane. click view systems information. 3-the system properties dialogue box will appear. 4-click the hardware tab then click the device manager. 5-the device manager tab will appear. 6- click the portable devices then you will see the name of your device. 7-click the name of your device . 8- you will see in the general tab in the dialogue box that will appear 'device usage' 9- enable it.
I have a usb cable that came with it ( or some other mp3 player i bought), but it is way too short, so i bought a cheap ($1) and longer usb cable. The computer recognizes the mp3 when connected, but it wont charge with the long and cheap cable.
Maybe you also have a long (or short) cheap usb cable...or maybe your usb cable is plain broke...