Verstehe... Bin eben ins Büro geeilt und habe es versucht.
Mac wachte auf... und zeigte in den Konsolen-meldungen, die ich noch geöffnet hatte, schwarze Kästchen statt Schrift.
Dann sicherer Start, excel versucht zu starten und verabschiedet sich.
Hier die Meldung.
05.08.14 15:58:19 kernel System Sleep
05.08.14 17:12:43 kernel Wake reason = EHC2
05.08.14 17:12:43 kernel System Wake
05.08.14 17:12:43 kernel Previous Sleep Cause: 0
05.08.14 17:12:43 kernel USB (EHCI)
ort 4 on bus 0xfa has remote wakeup from some device
05.08.14 17:12:43 kernel en1: 802.11d country code set to 'X3'.
05.08.14 17:12:43 kernel en1: Supported channels 1 2 3 4 5 6 7 8 9 10 11 12 13 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140
05.08.14 17:12:43 kernel The USB device Keyboard Hub (Port 4 of Hub at 0xfa000000) may have caused a wake by issuing a remote wakeup
05.08.14 17:12:43 kernel The USB device Apple Optical USB Mouse (Port 3 of Hub at 0xfa400000) may have caused a wake by issuing a remote wakeup
05.08.14 17:12:49 kernel ERROR: VendorAccelerator::set_display_mode_and_vram() call to fFramebuffers[1].framebuffer->getPixelInformation() result: 0xE00002F0
05.08.14 17:12:49 com.apple.UserEventAgent-Aqua[104] dontAutoLoad = EMPTY!
später
05.08.14 17:16:14 kernel hfs: Removed 5 orphaned / unlinked files and 1 directories
05.08.14 17:13:59 com.apple.launchd[1] *** launchd[1] has started up. ***
05.08.14 17:16:19 bootlog[37] BOOT_TIME: 1407251636 0
05.08.14 17:16:21 fseventsd[27] event logs in /.fseventsd out of sync with volume. destroying old logs. (16880 145 17067)
05.08.14 17:17:29 com.apple.kextd[9] Can't load IOSurface.kext - validation problems.
05.08.14 17:17:29 com.apple.kextd[9] Failed to load IOSurface.kext - (libkern/kext) validation failure (plist/executable).
05.08.14 17:17:29 com.apple.kextd[9] Load com.apple.iokit.IOSurface failed; removing personalities.
05.08.14 17:17:29 /System/Library/CoreServices/loginwindow.app/Contents/MacOS/loginwindow[23] Login Window Application Started
05.08.14 17:17:29 com.apple.kextd[9] Can't load AppleTyMCEDriver.kext - validation problems.
05.08.14 17:18:41 loginwindow[23] Login Window - Returned from Security Agent
05.08.14 17:18:41 loginwindow[23] USER_PROCESS: 23 console
05.08.14 17:18:41 com.apple.launchd.peruser.501[86] (com.apple.ReportCrash) Falling back to default Mach exception handler. Could not find: com.apple.ReportCrash.Self
05.08.14 17:18:46 Dock[90] _DESCRegisterDockExtraClient failed 5
Sorry