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How to Fix a File Corruption Error

File Corruption Errors, Data Corruption Errors, CRC Errors, SMART CRC errors...Have you ever been struck by these errors? These are most commonly caused by hard drive cable issues or hard drive failures. Other possible causes could be RAM...
Method 1 of 4:

Resolving issues with hard drive cable

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    Clean your SATA cables. If your SATA hard drive cable connector has metal latches, follow these steps:
    1. Unplug both ends of the SATA hard drive cable.
    2. Blow out both of the cable ends and where they plug into the back of hard drive and mainboard/motherboard with canned air or air pump.
    3. Clean the ends of the cables and where they plug into with a toothbrush and rubbing alcohol or surgical spirits.
  2. How to Fix a File Corruption Error Picture 2How to Fix a File Corruption Error Picture 2
    Reconnect the cables to the hard drive inside the CPU box. When it is totally dry, reconnect the SATA hard drive cable to the back of the hard drive and to the mainboard/motherboard. It can only go on one way; you can't accidentally reverse it like ATA cables in old days; it has an "L" shape to prevent this.
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    Ensure that it fits without restriction. Be sure there is no stress anywhere in any part of the SATA cable, for example from the side of computer case or another component pressing on it. Any stress may cause the connector ends to work partly loose, which will cause more data corruption and data loss (more CRC errors). If there are any bends in the cable around corners which may accidentally get pressed on, try using sticky tape to secure the bend in the best location with the least stress on the connector end. If you have a very tight bend or if it is impossible to reduce stress on the cable enough, you should buy a right angle or left angle SATA cable; they are designed for these tight corners, and have 90 degree angles relative to the cable to insert without too much stress in tight spaces.
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    Improve the connectors at the contact point. Your SATA cable connectors may have poor contact design, or the metal may have oxidized/rusted over time. If metal electrical contacts are rusted/oxidized, and you have no money, use a small thin metal nail file to bring shine back to contacts and restore good electrical connection of cable ends. If you have money, and you want to try new SATA cables instead, you can purchase a new one, but there is no guarantee the contact design will be even as good as the cable you are replacing, since many aftermarket replacement SATA cables have poor contact design. Two things you have to watch when bringing shine back to contacts are:
    1. Do not press too hard down on contact or it will not make contact when you are done. #* Be careful not to wear away too much, and try to target sanding action to right location. You will have tiny bits of plastic and metal that flake off as you work, so use a dry toothbrush and dust out connector end afterwards to make sure these particles are gone before you use the cable again.
Method 2 of 4:

Resolving issues with RAM

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    Look for signs of a failing hard drive, or for defective parts inside of the CPU case. The RAM installed into your mainboard/motherboard could be defective or its contacts may have come somewhat loose. Try repeating Steps One and Two on the RAM and its cable. Allow to dry completely, alcohol will evaporate by itself given a little time. Then put your RAM chips back in, they only go in one way, not both ways. Do not force them, you may have them in the wrong way. There is a slot that lines them both up on bottom. Get it lined up to the slot in the socket. Then press gently down; it should go in, press from the top middle, or both sides of top at same time. As you press down it should go into socket and clips should start to close on both sides of socket. You may need to press plastic clips on each side a bit to make them lock, they have bits on inside ends that press into half circle openings on sides of RAM chip. They should make satisfying click sound when closed and properly installed. Then hold top of RAM chip from both sides, or middle, and gently press down and vibrate fingers slightly to work it gently down into socket to make best contact. Release when you feel you have firm but gentle fit.
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    Ensure the problem doesn't lay within the software of drivers that the hard drive rests upon. Try to find the problem with softwares.If cleaning and replacing RAM doesn't fix issue, you might want to try testing your RAM to see if it has become defective. To do this, you should download the Memtest86+ software to run from floppy disk, CD/DVD, or USB flash drive and test your memory for defects.
Method 3 of 4:

Resoving issues with your old files

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    Backup your data and erase and reformat the partition of the hard drive. Check if it is just old problem caused by previous file or data corruption. If it is, you can copy over backup of data, reinstall software, or in worst case, erase and format system partition or entire hard drive and reinstall operating system and it should be fixed. Another possibility for source of your file or data corruption, some viruses are known to install system level drivers into your operating system, which is probably Windows, since most PC viruses are written for Windows and not other OSes. Sometimes these system level drivers can cause data corruption. If you think that may be the source of your problem, you should erase and format your hard drive and do fresh install of your operating system (probably Windows).
Method 4 of 4:

Resolving issues with your Hard Drive

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    Investigate your hard drive. If you still have new file corruption, data corruption, new CRC errors, additional SMART CRC errors, etc, possibly your hard drive is failing and needs to be replaced. One way to determine if this is the case is that sometimes when hard drive is failing, it makes different noises than usual. Sound for normal hard drive operation, is sort of like soft, gentle finely grained sound somewhat similar to stepping on very fine gravel with padded shoes. If you hear more sudden, sharp, raspy, pinging, or louder grating type sounds, and it is not normal pattern for your hard drive, it is possible it may be failing. When hard drives are failing, they don't always make these unusual types of sounds, but sometimes they do.
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