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Released October 2008 / 2.4, 2.53, 2.66, 2.8 or 2.93 GHz Core 2 Duo Processor

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Solid State Harddrive: fsck returning IO Error

Recently began experiencing random lagging while doing practically nothing (light web surfing), so I did some diagnostics using Disk Utility and Tech Tools Pro to see if I had any SMART failures or RAM issues, which all came back clear.

Then the Disk Utility first aid function came back with an error code(8 for anyone interested).

I decided to try rebooting into single-user(cmd-s at boot) and run fsck -fy which failed with out any real descriptive error other than “I/O Error” and something along the lines of disk verification couldn’t be completed….. help?!

Its a old computer, but I replaced the harddrive with a new 500gb solid state maybe 5 years ago(+/-), and it doesn’t get super heavy use, mostly like paying bills and some occasional Factorio sessions.

Im thinking it might not be the solid state drive, but not sure how to really test my hypothesis without a 2.5” -> external adaptor.

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Theres three issues at play here:

Using the wrong drive (too fast a SATA speed) for the system. This series only offered SATA II (3.0 Gb/s), Review your drives specs to see if its rated for SATA II (3.0 Gb/s). Many drives are fixed speed, that is they are designed to run at the one I/O speed. There are drives which auto sense what the system wants! So as an example this SSD will work Samsung 860 EVO note the interface line lists all three data rates! Unlike this drive WD Blue SSD it is fixed to SATA III (6.0 Gb/s).

If you do have the correct SSD, then the next issue is the SATA cable its self maybe breaking down. Here’s a good write up on the issue Your Hard Drive Cable Is A Ticking Time Bomb.

The last issue is a drive which doesn’t have enough space. Unlike HDD’s SSD’s need to go with a process called garbage collection and wear leveling. You should have at least 1/4 of the drive free.

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