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Hdd repair for data recovery – The Computer Room Nottingham : Video

August 26, 2013 Jon 9 Comments

Hdd repair for data recovery - The Computer Room Nottingham

http://www.thecomputerroomnottingham.co.uk – 0115 972 1120 / 07545 251 571 Serving Nottingham Derby and Leicester with parts and repair for iPhone, iPod, pc …

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Comments

  1. Kg277
    August 26, 2013 - 4:55 am

    Anybody that doesn’t have a backup and loses files deserves what they get. A big fat data recovery bill! No regrets no sympathies. You screwed the pooch.

  2. Leon Stacey
    August 26, 2013 - 5:16 am

    Hi, thanks for the information for all the comments

  3. CodfishCatfish
    August 26, 2013 - 6:15 am

    Great Stuff Leon. Some of those are fast switching TVS diodes are common diodes that conk out. They are known as TVS or transient voltage suppressor and I have had many a sore day with these in the past. (there expensive too) also known as an avalanche diode too. Will clamp any voltage spikes in a pico-second. Open circuit until the are triggered but normally resetting when the OV gets back to normal voltages.

  4. CodfishCatfish
    August 26, 2013 - 6:53 am

    If this is a problem then get an ordinary LED with a 560 ohm resistor 1/2w in series with the anode and use a spare molex and connect the yellow to the resistor of the anode and the black to the cathode. If the LED is bright and stable it’s unlikely the PSU if it dims or flickers PSU. Do the same with the red 5v line but using a 100 ohm resistor. Assuming the LED is 20ma and a fw voltage of 3vdc which is in the middle of most LED’s except red diffused which are about 2.2v but none the less OK

  5. CodfishCatfish
    August 26, 2013 - 7:04 am

    Check the motherboard for shorted or open circuit caps. Power supply would not normally cause a reboot as 12v and 5v rails are fixed via a switching circuit. Go into the BIOS and use the hardware monitor (nearly all post 2007 MB’s had H/W monitors) and see if the 12v and 5v are dropping off or bellow 11.75 vdc and 4.79 vdc. Also check the -12v and 3.3v lines too.

  6. CodfishCatfish
    August 26, 2013 - 7:18 am

    Oh and it was quite rare to have a SATA 160gb as most were 250gb and above so you might be able to hot plug at the post screen and reboot the PC with the reset b**ton
    if the drive started up.

  7. CodfishCatfish
    August 26, 2013 - 7:29 am

    Sounds like Power supply stalling. Often SCSI systems especially in RAID would have a delayed start so that other parts of the PC would start and the hard drive could be staggered to start up at different times (within 20 seconds of POST). If you have more than one drive then this might me the problem. Check the PSU wattage and then run a power supply calculator to determine if your going under current. If it’s SATA then power up the PC and hot plug the power to the drive at the post screen

  8. TheGta473
    August 26, 2013 - 8:02 am

    finally!! someone who knows about computers in my local area!!

  9. Leon Stacey
    August 26, 2013 - 8:56 am

    Removing that component worked in the case of this hard drive. We can only help by seeing the hard drive to we can diagnose what the problem is to see if it can be fixed in any way.

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