Wednesday 3 May 2017

HOW TO TROUBLESHOOT DISC READ ERROR AT WINDOWS STARTUP {8 solutions}

              A disk read error occurred
                               A disk read error occurred. Press Ctrl+Alt+Del to restart.
If u try disk check up and  detected the hard drive just fine. After an exhaustive search around the Internet and forums, no one had the exact fix for this problem and there doesn’t seem to be one fix to try in preference to any others...'

Here below are some of the possible solutions to the problem “A disk read error occurred. Press ctrl+alt+delete to restart” problem.

    1. TEST MEMORY'

This isn’t actually mentioned that much around the web as a solution to the disk read error problem, but believe you ca use a tool called Memtest86+  and run tests on you RAM, After experimenting between different sticks and RAM slots.....
memtest86
   As this is a simple and non destructive test meaning you’re not touching the hard drive risking further damage, it is recommended you try this first. It may sound odd but in fact memory problems can be responsible for a vast array of different errors on a system where testing your RAM might be the last thing you think of.
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Read More:https://www.raymond.cc/blog/help-a-disk-read-error-occurred-press-ctrlaltdelete-to-restart/
2.  Try the Drive on Another Machine
As we’ve said, although this problem sounds like a simple hard drive issue, people around the web have reported that they have traced the problem to faulty video cards, modems, motherboards and even power supplies. The easiest way to rule out any of these is to take the hard drive out and connect it up to another machine or connect it to the same machine via external USB. If you can boot it up past the error or can access all your files without a problem, then the issue will likely be related to other hardware in your machine.
Unfortunately in this case it could be down to trial and error in finding the offending piece of hardware by removing or replacing what you can, although the next possible fix is quite easy.
While the drive is connected by another method, it’s recommended to run a scan with something like HD Tune to test for any bad sectors. Whether HD Tune finds any issues or not, you should also run a “chkdsk drivename: /r” from a command prompt while you’re able to or use a portable tool to do it for you.
It’s also wise to make a backup of your files or the whole drive while the drive is accessible.
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3.  Check / Replace Cables
Although I haven’t seen SATA cables fail (but obviously they can), faulty IDE cables can sometimes cause issues such as read or write errors on hard drives as well as optical burners. If you have spare cables, you can replace them, or unplug the current cables, inspect for damage, and then reconnect them if OK. Also try different SATA or IDE ports if you can as there is a possibility of a damaged port.
If you get the disk read error after installing a new drive, make sure the hard drive is on the master connector (end of the cable) and if you can, set the hard drive jumper to master instead of cable select. Also try without a secondary (slave) device attached to the same cable if there is one.
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4.  Resetting / Updating the BIOS
In rare circumstances setting the BIOS back to defaults can fix the issue. You can usually get to the BIOS by pressing Del or F2 etc during boot. There should be an option to reset to defaults, look for an option similar to the one in the picture below. Failing that, you can remove the BIOS battery for a few minutes to reset. If you’re unable to access CMOS because it is password protected, you can easily reset it from Windows by using CMOS De-Animator.                             
load fail safe defaults
Updating to a newer BIOS has also been reported to work, especially on laptops.
We have several more possible solutions to the disk read error problem on page 2
Read More:https://www.raymond.cc/blog/help-a-disk-read-error-occurred-press-ctrlaltdelete-to-restart/
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5.  FixMBR and FixBoot
These tools usually don’t work unless you have found there to be errors on the drive after running CheckDisk. Using them will repair what may have been a corrupt Boot sector or Master Boot Record to hopefully allow the system to start.
For XP:
1. Boot with the XP CD and at the setup screen press R to load the Recovery Console.
2. Choose the installation number which is usually 1 and enter the Administrator password.
2a. If you haven’t checked the drive already for errors, type chkdsk /r.
3. At the Command Prompt type FixMBR to repair the Master Boot Record on the hard drive.
4. Type FixBOOT to repair the Boot sector and make sure the boot files required to start the system are present.
5. Type Exit to quit the Recovery Console and reboot.
For Vista and 7:
1. Boot with the Windows Vista or Windows 7 installation disc.
2. Click Repair your computer.
3. Click the operating system that you want to repair, and then click Next.
4. In the System Recovery Options window, click Command Prompt.
4a. If you haven’t checked the drive already for errors, type chkdsk /r.
5. Type Bootrec /fixmbr to repair the Master Boot Record .
6. Type Bootrec /fixboot to repair the Boot sector.
7. Type Exit and then click restart.
Here are some other tools to restore the Master Boot Record to your system
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6.  Defragging the Hard Drive
Although it sounds rather odd could be a long shot, apparently this fix can actually work in certain circumstances and has cured the problem for some users. Either while the drive is connected up to another machine, externally or using a utility boot CD, defrag the drive in question. When finished, try to boot from it.
You should only do this IF you have backed up your important data from the drive already or there is nothing you’re worried about losing.
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7.   Changing the Partition Size
Similar to the defragging method above in that I believe there might be only a slim chance of success, but the aim here is to simply to rewrite the partition table for the C drive which may have become corrupted. This is achieved by altering the size of your Windows partition by a small amount so new partition data is written onto the drive overwriting any possibly corrupt data. It only needs to be by a few Megabytes, just enough for the change to register and and the partition table is changed to reflect this.
This is probably best left for users who know how to use partitioning software as one wrong move could wipe off all your data! Or this is the last try at a fix before a reformat. There are a few tools such as Gparted and Partition Wizard Home on the excellent Hiren’s Boot CD which you can use, or you can download the Partition Wizard Boot CD  from their website. Simply burn either ISO (from another machine), boot it and then slightly change the size of the partition in the software and apply the changes. If it works, you can always change the size back again afterwards.
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8.  If all else fails…
If you have confirmed to yourself the hard drive and your other hardware is not faulty and you have no luck with any of the above fixes, there maybe no other option than to wipe off all partitions, then re-partition, format and then re-install Windows.
If you have had any luck with with other fixes you have found, please let us know.
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