While in use, my Macbook Pro screen will go blank and the computer seems to freeze.

I have a 13 inch MBP running Maverick.  Starting a few days ago, it will occasionally (once or twice a day) go blank (as does my second screen which is hooked to it) and the computer seems frozen.  I've tried the key strokes to force quit but it does nothing. I am forced to hold down the power button and restart the computer.  VERY Annoying!  Anyone know a fix for this?  or what triggers it?

jdbizzle,
have you tried resetting its System Management Controller, to see if that makes a difference?

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R && echo $'No root access\n'; SP Software | sed -n 's/^ *//;5p;6p;8p'; h=(`SP Hardware | awk '/ Id/{print $3}; /Mem/{print $2}'`); o=$h; Ps "Model"; o=$((h[1]<4?h[1]:0)); Ps "Total RAM (GB)"; o=`SP Memory | sed '1,5d;/[my].*:/d'`; [[ "$o" =~ s:\ [^O]|x([^08]|0[^2]|8[^0]) ]] && printf "$Fr" "$o"; o=`SP Diagnostics | sed '5,6!d'`; [[ "$o" =~ Pass ]] || Pm "POST"; p=`SP Power`; o=`awk '/Cy/{print $NF}' <<< "$p"`; o=$((o>=300?o:0)); Ps "Battery cycles"; o=`sed -n '/Cond.*: [^N]/{s/^.*://p;}' <<< "$p"`; Ps "Battery condition"; for b in FireWire Thunderbolt USB; do o=`SP $b | sed -En '/:$/{s/ *:$//;x;s/\n//;/Apple|SMSC/d;s/\n.*//;/\)/p;};/^ *(V.+ [0N]|Man).+ /{s/ 0x.... //;s/[()]//g;s/(.+: )(.+)/ (\2)/;H;}'`; Pm $b; done; o=`pmset -g therm | sed 's/^.*C/C/'`; [[ "$o" =~ No\ th|pms ]] && o=; Pm "Thermal conditions"; o=`pmset -g sysload | grep -v :`; [[ "$o" =~ =\ [^GO] ]] || o=; Pm "System load advisory"; o=`nvram boot-args | awk '{$1=""; print}'`; Ps "boot-args"; fdesetup status | grep -q On && o=on || o=; Ps "FileVault"; a=(/ ""); A=(System User); for i in 0 1; do o=`cd ${a[$i]}L*/Lo*/Diag* || continue; for f in *.{cr,h,pa,s}*; do [[ -f "$f" ]] || continue; d=$(stat -f%Sc -t%F "$f"); [[ "$f" =~ h$ ]] && grep -lq "^Thread c" "$f" && f="$f *"; echo "$d ${f%%_2*} ${f##*.}"; done | sort | tail`; Pm "${A[$i]} diagnostics"; done; grep -lq '*$' <<< "$o" && printf $'\n\t* Code injection\n'; o=`syslog -F bsd -k Sender kernel -k Message CReq 'caug|GPU |hfs: Ru|last value [1-9]|n Cause: -|NVDA\(|pagin|proc: t|Roamed|rror|ssert|Thrott|timed? 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    Copy the selected text to the Clipboard by pressing the key combination command-C.
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  • MacBook Pro -- external hard drive corruption -- AND hanging computer?

    Since purchasing a 17" MacBook Pro, I've had serious problems with directory corruption on three of my external firewire hard drives (80 and 100 G FireLite Pocket drives and a 400 G Lacie drive). About 2 weeks ago, the 80 G drive (with most of my critical files) disappeared from the desktop. Disk Utilities returned with a message that it was repairable. Tech Tools supposedly fixed it, but the drive icon shortly disappeared from the desktop. This time, Disk Utilities "repaired" it, but it was the kiss of death. After this, plugging in the drive caused the computer to hang indefinitely. I could no longer run any repair or data rescue software. Once this problem occurs, I can switch firewire cables and computers, and the computers still crash/hang. A techy at work managed to rescue the files and replace them on the disk (this required other hardware, a PC, and some software he downloaded(?)). Two weeks later, the problem happened again. However, this time, it was the 80 G and my 400 G backup drive. Now, all of my originals and backups (for the past 2 years, since I did my last CD/DVD backups) are (hopefully) temporarily unavailable. My 100 G drive started to do the same thing. However, I purchased and downloaded a copy of Disk Warrior, which seems to have rescued this disk.
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    What causes such severe disk directory damage that causes my computer to hang?
    How can I recover my files (critically important to my work, some of which is on a tight deadline) without having to run to the vastly overworked/underpaid techy in my place of employment)?
    My conversation with an Apple Tech was much less than satisfying. In fact, he seemed to portray a state of denial about the MacBook Pro having any problems, even though the web is full of complaints. What's up Apple? Are you beginning to backslide yet again?

    Welcome To Discussions JeffBloom!
    I'm sorry to hear that you are having problems with your MBP, but you have posted your inquiry, in the Discussions Forum, that is intended for discourse about the use of Apple Discussions.
    You will get more focused attention to your issue, if you select a more appropriate location from this page Discussions Forum Home.
    For example,
    From the Forum Home Page, select the Category MacBook Pro.
    Then choose an appropriate MBP Forum, such as Using your MacBook Pro.
    On Forum pages, there is an option to Post New Topic.
    Good Luck!
    ali b

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