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My computer harddrive has a problem


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Causes of Disk Read Errors WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. - rules Only work inside the computer case when the power has been switched off and disconnected. Never open the power source. Some of the below steps recommend removing physical parts within the computer. While in the computer it is highly recommend that you be aware of ESD and its potential hazards Test all Power and Data leads that attach from Motherboard to your hard drive, IDE,SATA make sure they have a secure dust free connections and are not faulty Make sure all leads that are attached to your drives dvd \ cd and floppy if applicable have secure dust free connections. Computers need all electrical power and data to travel through every working device its and have an end so any faulty leads will end up with a computer error b> There are many different types of disk read errors that can show up on your computer screen during various usage efforts. Be aware as to what you were doing and what task your computer was attempting to perform at the time that the disk read error showed up. This may be a very simple issue, or it may become very complex and involve a data loss threat. Using the process of elimination for determining the error reason can save you time and money.

CD b> Click start control panel administrative tools computer management then select event viewer this may vary depending on what operating system you have extend the events there you will see errors in red you will no what exactly what the error was and at what time it occured Right click on the error message select properties you will see all details about the error or click start type in event viewer press ENTER you might be able work your way through the problem. With any kind of disk read error, the best of luck will be that this is just a problem with a CD that you are attempting to use on your computer. To determine this, remove any CDs or floppy disks from your PC and reboot your computer. Wait and see if it turns back on without any error messages. If so, all is well and you merely need to check the CD you were attempting to use for damage. b> Windows Installation b> Sometimes a Windows repair will alleviate the problem of a disk read error. To find out if your error message is actually related to a Windows environment problem, get your Windows installation CD and reload the CD. Do not reinstall but rather choose the repair option. This might correct the problem. b> Hard Drive b> If the problem is with your hard drive, you will hopefully have previously created a mirror image to protect your data. If so, you can breathe easily because your hard drive data is safe and you can simply replace your hard drive if need be. If you do not have a backup and the problem is with your hard drive, you may need to use a recovery service or do further research regarding how to recover your data on your own. b> Reseat Your Hard Drive b> If the disk read error message does not come until your system has already completed its bootup, then it is probably originating from the OS (operating system). It is possible that your BIOS (Basic Input/Output System) is simply unable to locate the drive. Since the BIOS is responsible for the booting-up process, it will typically be the origination of the disk read error message. If this is the case, you may want to try reseating your hard drive. Be very careful when attempting this because you have to manually remove and replace the physical hard drive in your computer. b> Bad Spot b> There may just be a bad spot on a disk. Consider whether or not you received this message when you were attempting to access a rarely used file. Check to see if you receive this message after turning your computer off and on again and attempting to access a file that you commonly use. Using a disk error checker utility scanner will assist you in narrowing the problem to this if it is the cause. Hope this helps.


Posted on Jan 03, 2013

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Disk read error press ctr+del to restart

SATA connector cable faulty or not plugged in properly or power not available for harddrive, or read-write heads of HDD broken or damaged. If this is the case, replace HDD. tests can start by using another harddrive with working operating system, or by unplugging both power and data cables to drive, as well as the data cable from board. be sure to power off the computer

Apr 01, 2014 | ECS Computers & Internet

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Bro, when you see "SMART overall-health self-assessment test result: FAILED!" then this hard drive is either dead or dying. There isn't much you can do other than replace it now.

Oct 16, 2012 | Samsung HM500JI 500 GB SATA Hard Drive

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Failed (Error code: WCD44-RSI)

Oh I know! Pick me, pick me! (Lol!)

You mean WCD-44-rm5?

Spindle test. Actually finding out if the spindle motor is spinning the Spindle, at the maximum spindle speed in RPM's, the spindle is rated to spin at, (At maximum spin up)
Also a few other quick tests.


Basic construction of your harddrive. IDE (PATA) or SATA;

Inside the harddrive's case are;

1) Platters: They resemble CD or DVD disks, and are usually made of metal, or glass.

The Platters are coated with a magnetic medium. (Ferrous substance. Think Iron )
There may be 3 to 6 Platters, or more, inside the harddrive case. They are coated on both sides with the magnetic medium.

2) Spindle, and Spindle Motor:
The Spindle is part of the Spindle Motor. It is the shaft of the motor.
Comes out of the Spindle Motor, and the Platters are attached to it.

The Spindle Motor is designed to spin the Spindle (Shaft) certain Revolutions Per Minute, when called upon.
The maximum RPM's it will spin is stated for the harddrive unit.

Older harddrives were rated at 5400RPM.
(Slower before the above time period)
Newer harddrives usually spin up to 7200RPM.
Gamer type harddrives may spin 10,000 or 15,000 RPM's.

3) Read/Write Head:
The magnetic medium on the Platters, is arranged by a Read/Write Head.
There is a Read/Write Head above, and below, every Platter inside the Harddrive.

The name indicates what the Read/Write Head does. When the Read portion of the head is activated, it reads what is ON the Platter.
When the Write portion is activated, it writes TO the Platter.

(The magnetic medium is arranged, by the Write portion of the Read/Write Head. It is arranged in a series of 0's and 1's.
0 being OFF, 1 being ON.
This is changed into Machine Language the computer can use )

4) Actuator Arm:
The Read/Write Heads are attached to an Actuator Arm.
The arm swings the heads back, and forth, across the Platter's surface.
(When called upon it can swing the Read/Write Heads back, and forth, at HUNDREDS OF TIMES A SECOND. -> HUNDREDS )

5) The Actuator Arms are attached to an Actuator Motor.

The entire assembly above is encased in
It is assembled in a Clean Room. A room that is 99.9 percent dust free. The outfits the assembly technicians have to wear resemble a NASA space suit. They have to walk through an air corridor, and be b-lown off by air jets, before they can enter the Clean Room.

The harddrive's case has a small filter on it. This helps keep the atmosphere inside the harddrive, as it is outside the harddrive, but with NO moisture, NO dust.

On the bottom of the Harddrive case is an electronic circuit board. Controls the hardware inside the harddrive case, and is connected to the motherboard.

The Spindle test is to see;
1) If there is any axial, or horizontal runout. That is to say if the Spindle wobbles, so to speak. If so the Spindle Motor bearings are bad.

[Platters have to stay Dead Level. The Read/Write Head is spaced off of the Platter, by about .00003 of an Inch.
(3 hundred-thousandths)
May be closer my figures could be off,
In comparison an average human hair is .003 of an Inch thick.
(3 Thousandths)

Due to the speed the Platters spin at, and the closeness of the Read/Write head to the Platter, the Read/Write Heads actually float on a cushion of air, when the harddrive is active.

When you hear or read the term 'Head Crash', it means one, or more of the Read/Write Heads, has touched a Platter, (Or Platters), and wiped off some of the magnetic medium ]

2) Spin up speed. How long it takes the Spindle Motor to spin up to the required RPM's. Actually, how long it takes the Spindle Motor to spin up the Platters, to the desired RPM.

Doesn't reach the RPM goal? Spindle Motor bearings are probably bad. (Or a failure in the electronic circuit board, on the bottom of the Harddrive. Doubt it. Usually just fails altogether )



The test indicates your harddrive is going bad. I would (Pronto) copy off my personal information. (Disk/s, thumb drive/s, storage on the internet, etc)


Jul 08, 2012 | Dell XPS 420 PC Desktop

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Trying to boot a d845pebt2 intel mb it came to shop with an error disk read error ran diag. and hd failed cloned drive to 320 gig old drive was 200 and got same error tried to run xp repair and got error...

as what i understand you have a failing HDD came from an old unit and trying to repair or reinstall O.S.? was your testing equip ment is the same as the harddrive you tried to replace and check. if it so. tried to replace the data cable of HDD you are using. and if you have another extra power supply try to test it with differrent PSU

Jul 13, 2017 | Intel Desktop Board D845PEBT2 Motherboard

1 Answer

My mini max 500gb has just stopped working. i cannot hear the fan at all and all my other daisy chained mini max hard drives still work and register on my desktop

Your Imega external enclosure has malfunctioned. If you can, you need to take the enclosure apart and take the harddrive out and test it with a computer desktop that has sata connectable, if your computer is able to read, then your iomega harddrive enclose suffer malfuction, if the computer isn't able to read the harddrive through the sata connection, then your harddrive is bad.

Jan 30, 2011 | Iomega MiniMax (33464) 250 GB Hard Drive

1 Answer

What are the tools that can be used to troubleshoot hard drive, motherboard, and memory issues on a computer? Explain each choice

Sounds like you are having issues..First thing is to extract your data from the harddrive, if you do not have backups. Pull the drive and hook it up USB to a good computer, and get your stuff.

Then, are the fans turning, is there dust built up? all must be blown out.
DO NOT blow the fans and spin them, will kill them for sure, and do not press on them, but rather block them from turning with a small tool. If fans were not working, overheat is suspect and typically you cannot rely on the machine to be stable.

Pull and reseat every connection and cable, release the memory and re seat it. Sometimes that does it.

Read your windows Error logs. Control panel, admininstrative tools, only concern your self with errors, read them...ones that talk about harddrive means drive dying, usually.

Power supplies are another common failure, not sure how to test without meters, but you can replace with known good supply and test again.

Put everything bach together and boot .....So, at this point you are either running or not. If not, get new system, repairs to old items is cost prohibitive. Meaning hate to put 2/3 of the cost of a new machine into an old one....
if you do boot, look for burn in testers like Non paid version means a limit to auto testing. (I burn in test full throttle for 7 days for commercial clients). But you may see which area is failing from these tests in the free version.

Nov 27, 2010 | Computers & Internet

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Operating system not found

I would say either a bad harddrive or bad boot sector. If you are looking for a DIY solution, youll want to test the harddrive by running disk wizard or something similar or pulling the harddrive and putting it in a harddrive enclosure (available from The enclosure will hookup to another computer through usb or firewire and will allow you to backup your files if the harddrive is still good. If the harddrive isnt good, youll get errors while copying the files or it wont allow you to access the harddrive at all. Else, take it to a computer repairman to have them pull the harddrive and run tests on it.

Jun 10, 2009 | Sony VAIO Z1RA Notebook

1 Answer

Hdd self-test

Yes; your hard drive needs to be replaced as a read error indicates a physical problem with the drive reading from a certain or, more likely, many portions of the drive.

Thanks and please take a moment to give this a thumbs up rating, solving your problem.

Apr 27, 2009 | HP 378248-001 keyboard for Compaq nc6110,...

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D610 DST Short Status Test Fail

It appears your hard disk has died and it may not be possible for you to retrieve your data.
Remove your hard drive from the laptop and insert it into an USB harddrive adapter, (they are not expensive and you can use it later as a external hard drive). Then plug it into the USB port of a working computer. The computer should/may see it as an external drive, if you are lucky you will be able to copy your data, if not, you are out of luck.
There are companies that can recover data from faulty hard drives, but it will cost you an arm and a leg for their service.

Feb 17, 2009 | Dell Latitude D610 Notebook

1 Answer

Non System disk

a) remove any external devices and reboot.
b) boot from Windows XP setup-cd into rescue-terminal, execute: fdisk /mbr
c) do a hdd self-test in bios (restart, press F10, tools --> hdd self-test option --> notebookharddrive) to check the integrity of your harddrive

Sep 21, 2008 | Compaq tc4400 Tablet PC

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