Buried in endless spam are you.
does it fail on 2nd PC????????????????????????????
but yes, I am the MVP of external HDD< I build my own.
Have over 5 here for Backups .
lots of causes, for sure bad drive, or missing drivers..
bad HW hardware or BAD software SW.
Missing 12vdc 2amp power pack>, lost or using wrong one.
when pack above does the HDD spin? usb connected to PC.
NO PC stated, NO OS stated, windows/chrome/Linux/android?
its at lease 10 years old , see posts back that far.
not good old HDD,this old.
sold during W7 era. 2009.
The drive has 3.5" HDD that needs lots of power (Amps)
to start up that big motor inside, and is first thing to learn .
2amps it needs, ok? so if pack is missing it will never startup
on any USB port, not rated for 20x standard USB load factors.
some laptops only do 0.1amps (100mA) and are useless to startup any hdd motor of any kind.
see why here.
and see a better extremal solution cheap.! $10
http://www.pcdied.com/external-hdd.html
SOURCE: phillips external hard drive
If its an usb drive, no driver is required. The drive will show itself in My Computer after it is commected. Uninstall the driver, shut down, connect the device to the computer and start the computer.Tell me if it works. Also, when posting a question, give full details.
SOURCE: hitachi external hard drive recovery
Ok,Download software for recover your data from Memory Card, Phone, HDD or any other Storage Device ----
Download from the following link ------
http://www.dasofts.com/software/3675-recover-my-files-3.98-build-6218.html
Note- this software is works only with windows operating system so, connect your Memory Card, Phone, HDD or any other Storage Device to computer to recover data.
For any other help contact me.
Thanks
SOURCE: my external hard drive is not showing up
One or more of the hints below will probably sort out most USB problems with most USB portable / external hard drives and OTHER devices (though not always)
A few things to check but assumes USB and Windows for other interfaces / operating systems (mac/ Linux) similar steps may be adapted to suit.
1. Ensure it is connected directly to the computer to a USB 2.0 port not a USB 1.0 port as this can have effects on performance and reliability
2. Use only the cables that came with it NOT one that fits that may have been lying around or is longer. Not all USB cables are equal even though they should be)
3. Do not connect through an external USB HUB unless that hub is USB 2.0 AND has its own power supply.
4. Use ONLY the power supply that came with it if it has an external power supply Don’t use any other unless you know it has both the same voltage and current rating e.g. 12V 500mA anything rated below that would not work properly.
5. Always use the same port for connecting your devices. Some devices do not like being switched about. If switched they may want to install software / drivers again. This can be especially true if you move a HUB to another port
6. For FLASH DRIVES you should ensure that the device is set for "quick removal" using the drive control panel properties or use the USB "Safely Remove Hardware" option. If you dont do this there is a very strong chance that any files you transfer may not be there when you plug into another computer.
If you checked and fixed anything there and still have issues then check your hardware from CONTROL PANEL / SYSTEM / HARDWARE.
Any exclamation marks by hardware need fixing before you investigate any further
USB flash drives can fail for no apparent reason.
Sandisk Cruzers are especially bad for this.
USB hard drives should be treated with extreme care.
This is a real hard drive ! and knocks and bumps can quite literally kill them.
It is possible to remove drives from the enclosures in most cases and connect directly inside a PC to fully check it.
You should also do this to cheack the drives connections are not bad inside the enclosure
Note that if you hear a drive clicking or pinging this could be the worst thing you would hear.
Known as "The Click Of Death"
If none of the above steps help look at updating the drivers from the manufacturers web site in the support section.
SOURCE: Sony Vaio laptop could not access 1TB external hard drive
try other usb port, or other computer and see whether the hdd is detected. If still not, try to go to device manager ( http://www.computerhope.com/issues/ch000833.htm ), and then assign a drive letter to the hdd. After that, try to access it from Computer, if not able to access it, format it (use quick format) and then use this data recovery program to recover your files.
http://www.asoftech.com/adr/
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