My MBP Retina gets very confused when I plug in/unplug external monitors. Is this normal?

I've noticed my MBP Retina is more easily confused than my old MBP when using external monitors.
The problems occur after unplugging from an external monitor. Unless I actually re-start the computer, the resolution in some apps (e.g. Safari) fails to revert to retina quality. I am often left with the toolbar and windows so far off the laptop screen that it is impossible to reach them and the OS is unusable (have to restart). And just now the machine went into a strange fit where it kept powering on and off the displays every few seconds, apparently unable to decide what mode to be in. Again, I had to restart.
Is it normal to expect that I would have to restart the machine when moving between external monitor/laptop only combinations?
All these effects are fairly intermittent (although very frequent) so could be hard to reproduce at the Genius bar.

*there comes (i was mixing up english and german spelling without noticing )

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The speakers don't work on the laptop when I plug in an external monitor. When I run a check, it says they are working properly.

Tomandiris, welcome to the forum.
When requesting help, you should always include the make/model of the computer and/or monitor. This information is necessary for us to review the specifications of the them.
It may be that the laptop is expecting to find external speakers. Since I am new to laptops, I will check further when I know the model.
Signature:
HP TouchPad - 1.2 GHz; 1 GB memory; 32 GB storage; WebOS/CyanogenMod 11(Kit Kat)
HP 10 Plus; Android-Kit Kat; 1.0 GHz Allwinner A31 ARM Cortex A7 Quad Core Processor ; 2GB RAM Memory Long: 2 GB DDR3L SDRAM (1600MHz); 16GB disable eMMC 16GB v4.51
HP Omen; i7-4710QH; 8 GB memory; 256 GB San Disk SSD; Win 8.1
HP Photosmart 7520 AIO
++++++++++++++++++
**Click the Thumbs Up+ to say 'Thanks' and the 'Accept as Solution' if I have solved your problem.**
Intelligence is God given; Wisdom is the sum of our mistakes!
I am not an HP employee.

Macbook display randomly garbles. Corrects for a while when I plug in an external monitor. What's up?

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1. The laptop display will put a 1-inch black bar down the screen and shift everything to the right. It fixes itself for a while when I plug an external monitor into the mini-display port, but then does the black bar thing again.
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I went into System Settings and unchecked the box so that it would only use the discrete graphics, and it doesn't help.
Failing GPU? Discrete or on-board? I'm guessing failing discrete GPU......
Thanks for any help!
Joe

Hi.
PC disks should be FAT32 formatted as they come and if you out the disk into an external drive enclosure be it USB or Firewire, your iMac should be able to mount it and read it.
If you want to use this "re-convert" hard drive as your "permanent" external drive for your iMac and nothing else, I would advise you to reformat the disk to the GUID format (partition), which is recommended for all Intel Macs, because they read and write to external drives a little differently from their PPC counterparts.
Here's the link to how to reformat/re-partition a drive to GUID:
http://gizmodo.com/gadgets/apple/leopard-disk-utility-format-issue-screws-with-t ime-machine-but-theres-an-easy-fix-316573.php
Cheers

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Sometimes when i plug or unplug my external speakers, sound disappear compelety.
Rebooting fix problem, but i didn't have this problem before i updatet my system software to Lion.
Is there anyway to fix this problem.

See Troubleshooting iPhone Hardware Here
http://www.apple.com/support/iphone/basics/

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Interval Since Last Panic Report: 175187 sec
Panics Since Last Report:          4
Tue Apr 30 22:31:09 2013
panic(cpu 2 caller 0xffffff80004e0e54): "hfs_swap_HFSPlusBTInternalNode: catalog key #0 invalid length (3)\n"@/SourceCache/xnu/xnu-1699.32.7/bsd/hfs/hfs_endian.c:520
Backtrace (CPU 2), Frame : Return Address
0xffffff81d0d7b260 : 0xffffff8000220792
0xffffff81d0d7b2e0 : 0xffffff80004e0e54
0xffffff81d0d7b330 : 0xffffff80004e1e4c
0xffffff81d0d7b380 : 0xffffff80004d5a94
0xffffff81d0d7b3c0 : 0xffffff800031f390
0xffffff81d0d7b4a0 : 0xffffff8000320403
0xffffff81d0d7b550 : 0xffffff8000320700
0xffffff81d0d7b5a0 : 0xffffff80004fb850
0xffffff81d0d7b5d0 : 0xffffff800050298e
0xffffff81d0d7b650 : 0xffffff80004ecf99
0xffffff81d0d7b6e0 : 0xffffff800031c262
0xffffff81d0d7b750 : 0xffffff80005388ac
0xffffff81d0d7bf50 : 0xffffff80005ce4cb
0xffffff81d0d7bfb0 : 0xffffff80002daea3
BSD process name corresponding to current thread: mds
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11G63
Kernel version:
Darwin Kernel Version 11.4.2: Thu Aug 23 16:25:48 PDT 2012; root:xnu-1699.32.7~1/RELEASE_X86_64
Kernel UUID: FF3BB088-60A4-349C-92EA-CA649C698CE5
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System uptime in nanoseconds: 116560595340
last loaded kext at 57487010819: com.apple.driver.AppleFireWireStorage          3.0.6 (addr 0xffffff7f81b0b000, size 16384)
loaded kexts:
com.apple.driver.AppleFireWireStorage          3.0.6
com.apple.driver.initioFWBridge          3.0.6
com.apple.driver.IOFireWireSerialBusProtocolSansPhysicalUnit          3.0.6
com.apple.driver.LSI_FW_500          3.0.6
com.apple.driver.Oxford_Semi          3.0.6
com.apple.driver.StorageLynx          3.0.6
com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.filesystems.autofs          3.0
com.apple.driver.AppleHDAHardwareConfigDriver          2.2.5a5
com.apple.driver.AppleMikeyHIDDriver          122
com.apple.driver.AudioAUUC          1.59
com.apple.driver.AppleHDA          2.2.5a5
com.apple.driver.AppleMikeyDriver          2.2.5a5
com.apple.driver.AppleTyMCEDriver          1.0.2d2
com.apple.driver.AGPM          100.12.75
com.apple.driver.AppleUpstreamUserClient          3.5.9
com.apple.kext.ATIFramebuffer          7.3.2
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.iokit.IOBluetoothSerialManager          4.0.8f17
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.AudioIPCDriver          1.2.3
com.apple.driver.ApplePolicyControl          3.1.33
com.apple.driver.ACPI_SMC_PlatformPlugin          5.0.0d8
com.apple.driver.AppleMuxControl          3.1.33
com.apple.ATIRadeonX3000          7.3.2
com.apple.driver.AppleLPC          1.6.0
com.apple.driver.AppleBacklight          170.2.2
com.apple.driver.AppleMCCSControl          1.0.33
com.apple.driver.BroadcomUSBBluetoothHCIController          4.0.8f17
com.apple.driver.AppleUSBCardReader          3.0.6
com.apple.driver.AppleIRController          312
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          33
com.apple.iokit.SCSITaskUserClient          3.2.1
com.apple.driver.XsanFilter          404
com.apple.driver.AppleFWOHCI          4.9.0
com.apple.iokit.IOAHCISerialATAPI          2.0.3
com.apple.iokit.IOAHCIBlockStorage          2.1.0
com.apple.driver.AppleUSBHub          5.1.0
com.apple.driver.AirPort.Atheros40          505.67.1
com.apple.iokit.AppleBCM5701Ethernet          3.2.4b8
com.apple.driver.AppleEFINVRAM          1.6.1
com.apple.driver.AppleAHCIPort          2.3.1
com.apple.driver.AppleUSBEHCI          5.1.0
com.apple.driver.AppleUSBUHCI          5.1.0
com.apple.driver.AppleACPIButtons          1.5
com.apple.driver.AppleRTC          1.5
com.apple.driver.AppleHPET          1.7
com.apple.driver.AppleSMBIOS          1.9
com.apple.driver.AppleACPIEC          1.5
com.apple.driver.AppleAPIC          1.6
com.apple.driver.AppleIntelCPUPowerManagementClient          195.0.0
com.apple.nke.applicationfirewall          3.2.30
com.apple.security.quarantine          1.4
com.apple.security.TMSafetyNet          8
com.apple.driver.AppleIntelCPUPowerManagement          195.0.0
com.apple.iokit.IOFireWireSerialBusProtocolTransport          2.1.0
com.apple.iokit.IOFireWireSBP2          4.2.0
com.apple.kext.triggers          1.0
com.apple.driver.DspFuncLib          2.2.5a5
com.apple.iokit.IOSurface          80.0.2
com.apple.iokit.IOSerialFamily          10.0.5
com.apple.iokit.IOFireWireIP          2.2.5
com.apple.iokit.IOAudioFamily          1.8.6fc18
com.apple.kext.OSvKernDSPLib          1.3
com.apple.driver.AppleHDAController          2.2.5a5
com.apple.iokit.IOHDAFamily          2.2.5a5
com.apple.driver.AppleSMC          3.1.3d10
com.apple.driver.IOPlatformPluginLegacy          5.0.0d8
com.apple.driver.AppleSMBusPCI          1.0.10d0
com.apple.driver.AppleGraphicsControl          3.1.33
com.apple.driver.IOPlatformPluginFamily          5.1.1d6
com.apple.driver.AppleBacklightExpert          1.0.4
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com.apple.kext.ATI5000Controller          7.3.2
com.apple.kext.ATISupport          7.3.2
com.apple.iokit.IOGraphicsFamily          2.3.4
com.apple.driver.AppleUSBHIDKeyboard          160.7
com.apple.driver.AppleHIDKeyboard          160.7
com.apple.driver.AppleFileSystemDriver          13
com.apple.driver.AppleUSBBluetoothHCIController          4.0.8f17
com.apple.iokit.IOBluetoothFamily          4.0.8f17
com.apple.iokit.IOSCSIBlockCommandsDevice          3.2.1
com.apple.iokit.IOUSBMassStorageClass          3.0.3
com.apple.iokit.IOUSBHIDDriver          5.0.0
com.apple.driver.AppleUSBMergeNub          5.1.0
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com.apple.iokit.IODVDStorageFamily          1.7.1
com.apple.iokit.IOCDStorageFamily          1.7.1
com.apple.iokit.IOFireWireFamily          4.4.8
com.apple.iokit.IOSCSIArchitectureModelFamily          3.2.1
com.apple.iokit.IOUSBUserClient          5.0.0
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Macbook Restarts when it is connecting to external monitor

Hi Guys,
My mac Book pro with retina display is restarting when it connected with the external monitor. I use this laptop for my work. so i will be using my mac and external screen at the same time.
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Hello vijay.nekkanti,
It may help to reset your MacBook Pro's SMC and NVRAM.
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http://support.apple.com/kb/HT3964
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http://support.apple.com/kb/HT1379
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============
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Hi rhaughan,
I see that you have concerns about your operating temperature of your computer while using resource-heavy applications such as gaming applications. I have an article that will address some of the concerns you have mentioned:
Mac notebooks: Operating temperature - Apple Support
http://support.apple.com/en-is/HT201640
While there are third-party utilities that measure the temperature of a notebook computer, it is important to understand that these utilities are not measuring the external case temperature. The actual case temperature is much lower. Never use third-party applications to diagnose possible hardware issues—instead, contact Apple or go to an Apple Retail Store or Apple Authorized Service Provider.
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Learn about the fans in your Mac - Apple Support
http://support.apple.com/en-is/HT202179
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Cheers,
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The Temperature warning usually appears when the iPad has been set in a place where it gets so hot to the touch that you'd almost burn your hands if you picked it up. The temperature caused by the processor or charging the battery should never reach that level. If you feel your pad is too warm when you are using it Make an appointment at an Apple Store to have your device examined by a technician. Or contact Apple Support.

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