Question about Apple M3979 Power Mac 7600/120

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How do I take this computer apart?

I want to replace my hard drive.

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Beeps red light hp pc


The blinking should be in a pattern.

Power Green On (S0) Computer on
Power Green 1 blink every 2 seconds (S1) Suspend Mode
Power Green 1 blink every 2 seconds (S3) Suspend to RAM
Power Green Off (S4) Suspend to Disk (if applicable)
Power Clear Off (S5) Computer off
Power Red 1 blink followed by 2-second
pause - Repeat
Power Supply failure
Power Red* 2 blinks 1 second apart CPU thermal shutdown
Power Red* 3 blinks 1 second apart CPU not installed
Power Red* 4 blinks 1 second apart Power supply overload (crow bar)
Power Red* 5 blinks 1 second apart No memory
Power Red* 6 blinks 1 second apart No graphics
Power Red* 7 blinks 1 second apart System board failure (detected prior to video)
Power Red* 8 blinks 1 second apart Invalid ROM
Hard Drive Green Blinking Hard drive activity
*Blinking

Aug 17, 2013 | HP Computers & Internet

2 Answers

How to open the case of a my book wd 320gb


Sounds like the drive in the thing is shot or the controller itself.
I remember a friend having one of those I dont recall it having any screws but it did have a snap apart case. Use a thin flat head screwdriver to locate and snap apart the catches. 
If you can get into the thing to replace the drive and get the same result then the controller is shot and you will not have any luck fixing it unless you are good at surface mount soldering.
For now, check that the cables are good and that you are connecting it to a good port on your computer.
It is not uncommon to have external drives go kaput for seemingly no reason. The drives they tend to use dont like to be moved AT ALL when they are powered on, this is not condusive to an EXTERNAL case as it is too easy to move around.
Good luck. Let me know if you have any problems getting it apart, I can look up my friend and take his apart, yea hes cool like that.

May 02, 2008 | Western Digital My Book (WDG1U2500)...

1 Answer

Our MAXTOR Onetouch 4 mini is not recognized by computer. Can your software recover the data?


could be several issues to cause this fault, make sure your usb port is usb 2.0, replace the usb cable, take the unit apart and look for loose conections, try the drive in another caddy, or try another drive in the maxtor caddy. You will probably be able to remove the drive from the caddy and connect it into your computer if you have a tower and the correct connections.

May 02, 2011 | Maxtor OneTouch 4 Mini 120GB External USB...

1 Answer

My computer has always recognized my 250 GB Simpletech external drive, but now it won't. The red light shows on the hard drive when I plug it into the USB Port but nothing else happens. I search under My...


An external storage-device has four major components:

* the USB cable

* the power-adapter

* the disk-drive inside the enclosure

* the USB-to-disk-drive adapter inside the enclosure.

One of these components has failed.

Try a different USB cable.

Try connecting to a different USB port on your computer.

Try connecting to a USB port on a different computer.

Take a "multi-meter" and measure both the voltage and amperage output from the AC adapter, and compare with the specifications on the label on the adapter.

Open the enclosure, and remove the disk-drive, and then connect it as a "slave" disk-drive in a desktop computer, to see if it works at all.

Purchase a new, compatible, disk-drive, and install it in the enclosure, to "revive" your external storage device.

Get the part-number and serial-number from the label on your disk-drive, and access the manufacturer's web-site, and use "check warranty status", to see if they will replace the device, at minimal cost to you.

There exist commercial "data recovery" services that can try to repair your device, just long-enough to rescue and copy your files. For example, see: https://services.seagate.com/index.aspx?lng=en-US for a "no data - no charge" guarantee.

Dec 17, 2010 | SimpleTech 250GB USB2.0 7200 RPM External...

2 Answers

Ticking noise and doesn't show on my computer


The ticking noise is usually a sure sign of a DEAD hard drive.

Quite often in the case of a knocked or dropped drive.

It may be possible to test the drive by removing it from the caseand installing it in a regular computer that has SATA.

These cases are quite tricky to open and I tend to use the flat end of a nail file on each side to keep the sides slightly apart as I work the rest of the case

Sep 12, 2010 | LaCie Hard Disk 1TB Desktop with Hi-Speed...

1 Answer

Computer does not find ext drive it always has in the past I tried it on other PC and still no Help


There are two possibilities: the drive is bad or the enclosure has lost a connection. First try a new data cable (if you didn't do this when you tried it on the other computer).
Next, if you are willing to do this, take apart the enclosure and check for any loose or damaged wires in the enclosure. To check if the drive is good, check the specs on the drive (IDE/SATA), you can use a different enclosure (match the size and internal connection) or a USB/IDE/SATA adapter. With the drive connected to the computer with a different device, see if you can access the drive.

For most external drives, taking apart the enclosure to access the drive may void the warranty. However, a warranty replacement will not include data recovery.

Good luck.

Cindy Wells
(drive enclosures and the USB/IDE/SATA hard drive adapters are available at stores like TigerDirect.com and NewEgg.com)

Jun 14, 2010 | Fantom Drives 120 GB Hard Drive

1 Answer

My computer will not recognize my external hard drive


the external hard drive's motherboard is burnt take it apart (this will be a little hard but it will come apart) after you take apart u will see it is just an internal hard drive in a case so either...

1) put it inside your computer as an internal or..
2) buy a new external hard drive case (that will have a new hdd motherboard in it)

after you install it either way your computer will reconize the hd and WORK i done this just yesterday.

Nov 10, 2009 | Maxtor Personal Storage 3200 (U01E200) 200...

2 Answers

My LaCie is not recognized by my computer, makes a clicking noise when it tries to start up. I've used this external hard drive for several years with no problems.


It has most probably just reached its "end of life". Several years for a hard drive reading and writing is a good track record.
You can probably take the casing apart and replace the hard drive. Just make sure that this is an USB 2.0 interface before spending the money.

Oct 20, 2009 | LaCie Design by F. A. Porsche 160 GB Hard...

1 Answer

Got a new hard drive installed and now there's no sound.


first you need to check your device manager to

see if you have any devices with a "!"

if not when your step dad took it apart

he might have not reconnected the internal speakers.

If you have some headphones handy connect them and see if they produce sound .

Here is a link to various drivers for your laptop

Mar 27, 2009 | Toshiba Satellite A105 Notebook

1 Answer

Seagate Barracuda 160GB hard drive


Hard Drives are spun by powerful magnets. Over time the polarity of the magnet can degrade, causing the disc to wobble and generally be unreadable by the laser. IF you are very skilled in disc repair you can replace the internal components of the drive. You must understand though a single piece of dust will render a portion of the disc unreadable. If you don't know what you are doing, do not attempt to take apart the drive. Lots of techs in the computer repair industry call that noise you are hearing the click of death. You're better off replacing the drive than taking it apart and purchasing new internals for it. It's simply not worth it. FYI, I've had hard drives die after a single week of use, there are also hard drives that were made 15 years ago that still work fine. In recent months it's been proven that almost all mechanical hard drive failures happen due to magnets losing polarity on a microscopic level. Newer hard drives in years to come will likely be made to combat this, but thats still a while away.

Aug 15, 2007 | Seagate (ST3160827AS) 160 GB Hard Drive

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