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Installing an external drive

I bought an external case for my internal hard drive. I've followed the instructions exactly, but my computer doesn't detect the drive when I plug it into my USB port. I know the USB ports work, because they work for my cam, cell phone, and any other USB hardware I use.

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  • ariet76 Jul 15, 2008

    geekohler, thanks for the suggestions, but I've tried both already. The jumpers are set to master, and the drivers are installed. The problem is, that when I plug it into my USB port, it's not detected. I don't know what to do to get it working.



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Check the jumper setting on the back of the hard drive and make sure it is set to master. You may also have to install the driver for your external case, should have came with and install cd

Posted on Jul 15, 2008


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Can it be connected to more than one computer?

Yap this is possible by sharing your External hdd from your physically connected Computer. Follow the instruction under the following.
Connect the external hard drive to the computer and turn it on. Go to "My Computer." Right-click the name of the external hard drive that you want to share and select "Properties." Click the "Sharing" tab and select "Advanced Sharing."

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What is the difference between a external hard

External hard drives contain a power supply to operate a standard hard drive in a case. It usually connects to a USB port. Usb drives get their power from the wire that connects it to the USB port A regular internal hard drive gets it's power from the computer's power supply wiring. The data cable is either a flat ribbon cable or a 6 pin cable that connects directly to the mother board.

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How to recove Seagate external hard drive data?

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If the drive has important data on it then the last thing you want to do is initialize it - that will wipe the data. Can you try installing the drive inside the machine on an active SATA port and run spinrite to see if the drive is salvageable?

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Power turns on, but there is blank screen with small gray picture of the folder with ? on it

This is not good news. That blinking "?" icon means that the computer is unable to find a disk drive that contains what it needs to start up. It's a real problem, and if you are not an experienced computer person, consider getting professional help with it.

- The worst case is that your hard drive is seriously damaged - you're going to need a new hard drive and you've probably lost all your saved stuff
- Or, if you're lucky, some essential files are missing or damaged but the rest of the disk is OK.

If you want to try and solve this yourself, here's what to do:

If you have the disk that came with it when you bought the computer, put that in the disk drive slot and try again to start the computer. If the computer still won't start up, you definitely need professional help.

If it starts up using the DVD, the very first thing you should try to do is recover and save (back up) all your saved files. Do that before you try to fix the bad hard drive.

Look on the screen for the icon for your hard drive. If it's there, that's good news because you should be able to find all your valuable files and copy them to an external disk drive. If you don't already own an external hard drive, I recommend that you seriously consider buying one. After you've gotten this mess straightened out, I recommend that you continue to use your new external drive, with Apple's "Time Machine" software, so you always have your stuff backed up.

After you've backed up your files, go to the folder on your desktop for the CD that you booted from and try reinstalling MacOS. If the reinstall works, you'll be back in business. If it doesn't, you'll have to replace the hard drive.

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Hi, Maxtor 90645D3 hardrive deletion manual jumpersettings.

Basic jumper settings for Maxtor ATA Hard Drives

Thank you for purchasing your new ATA hard drive from Other World Computing! Please

review these jumper settings prior to installing your new hard drive into your computer.

You may want to review more detailed information about the installation process, or

the location and configuration of your existing internal ATA drive before proceeding.

Your manual that came with your computer can be of assistance in both of these


A few notes about installing an ATA hard drive into your existing system:

Your existing drive is normally configured one of two ways, Master (single drive), or

Cable Select. You will want to determine this before installing your new drive, the easiest

way is to remove the existing drive from your system and visually inspect it's hard drive

jumpers. Most hard drives have a schematic either silk screened onto the case of the

drive, or the schematic is on a label near the jumper pins. If you have difficulty locating

this information, visit the hard drive manufacturer's website.

If your existing hard drive is configured as "Master", then set your new hard drive

to "Slave". If your existing drive is set for "Cable Select", then set your new drive to

"Cable Select" also. You can change the existing jumper settings on the original drive

to suit your needs, but we recommend following these instructions first to verify proper

operation of the new hard drive.

Installing jumpers on the new drive is a simple process, follow the schematic to

configure your drive.

Please note the configuration of

the internal ATA cable already

installed in your existing system.

If your internal cable is configured

differently than pictured here,

you may want to replace it before

installing a new hard drive to

achieve maximum performance.
For further assistance, visit our tech center at

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Other thing is that you have to install the WD Smartware software.

If nothing works, try it on another computer.

If it works, must be a USB port problem.

God Bless You!

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You need to include info about your computer, and which format your external hard drive is: USB or Firewire. Are you using a Mac or PC?
"Boot" refers to the situation in which your hard drives sets up the operating system of your computer. I doubt this is the case. Do you mean that your host computer does not recognize the external drive?
If the latter is true, this can have many causes.
Also, did this drive work at some time? If so, with this computer, or a different one? The problem may be as simple as installing the proper driver, or at worst, the drive may be non-functional.
Most manufacturers of mass produced external drives, in the interests of being competitive, use drives that are not as durable as you would expect in a backup drive. Also, the interface in the case that houses the external drive often fails, so the drive itself may be OK. You can check this, but observe the following conditions:
1. You will void the warranty if you open the external drive case.
2, The warranty will replace the drive, but will not recover the data on that drive.
3. You can remove the external drive from the case and install it in your host computer to check it, if your computer is compatible with that drive. You need to know how to set the jumpers of that drive for your setup.
4. This can be a difficult and frustrating process. If the data on the drive is important enough, you have to decide if the cost to retrieve it is worth it to you.
Contact me if you need more info.

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Open my computer icon on your desktop and you see the external drive.

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I don't know how to attach the usb cable to the external hard drive?

Connecting an external drive is much easier than installing an internal drive because you don't need to open the computer case. The drive attaches to a connector either at the front or the back of the computer case; power is supplied by a separate cable

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