Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Jolly Roger Newsgroups: comp.sys.mac.system,comp.sys.mac.hardware.misc,comp.sys.mac.portables Subject: Re: A 13.3" MacBook Pro (MBP) gets stuck during its boot ups and tests... disk's I/O error in verbose bootup! Followup-To: comp.sys.mac.system Date: 24 Sep 2015 16:58:29 GMT Organization: People for the Ethical Treatment of Pirates Lines: 34 Message-ID: References: <2LadnXzoYex-gZnLnZ2dnUU7-Y_46u6z@earthlink.com> X-Trace: individual.net t0NtkxjwjtXiBAyw32Obzgl/nyDxxAt++pOzBjvGlc4D+tS5vJ Cancel-Lock: sha1:oM6Vz2xfmixVA54v9K/hnf+U9OQ= X-Face: _.g>n!a$f3/H3jA]>9pN55*5<`}Tud57>1Y%b|b-Y~()~\t,LZ3e up1/bO{=-) User-Agent: slrn/1.0.1 (Darwin) Xref: csiph.com comp.sys.mac.system:80494 comp.sys.mac.hardware.misc:1794 comp.sys.mac.portables:778 On 2015-09-24, Ant wrote: >> >> > I just got the verbose text log from my client: >> >> > http://i.imgur.com/t9EdqFO.jpg but it is a bit small, but readable. It >> >> > looks like there is a problem with the HDD due to its I/O error. Is this >> >> > a physical problem or a data problem (run Recovery's Disk Utility?)? :( >> > >> >> It appears the machine is having trouble accessing the startup volume. >> > >> >> Run Disk Utility's "Verify Disk" function on the startup volume and see >> >> what it shows. >> > >> > And not Repair first? > >> Repair will cause Disk Utility to attempt to *modify* the disk before >> you have had a chance to read the output to determine what is wrong. >> Disk Utility tried to avoid modifications that result in data loss; but >> it can still happen. So it is better to run Verify first to see what >> problems are there without modifying anything. > > OK. It is a good thing I haven't told him to repair! Yikes. I will tell > him to VERIFY first. I just hope he knows how to use Disk Utility. It is > not easy for a computer newbie/illiterate. :( It's pretty straight-forward. Run Disk Utility, highlight the startup volume on the left side of the window, then click the "Verify Disk" button, as shown here: -- E-mail sent to this address may be devoured by my ravenous SPAM filter. I often ignore posts from Google. Use a real news client instead. JR