Uplugging Power - screen shuts off

Hi,
Sometimes when I unplug the power chord on my MBP the screen goes blank (kinda flickers out). I can also hear a click when this happens.
Is this normal behaviour?

No, that certainly does not sound normal. I would recommend a call to AppleCare...

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Try a Reset by pressing the home and sleep buttons until you see the Apple logo, ignoring the slider if, it comes up. Takes about 5-15 secs of button holding and you won't lose any data or settings.

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Adjust things here:
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Resetting your Mac's PRAM and NVRAM
If you have Apple Care you should give them a call.

Freezing when screen shuts off

When my macbook has its screen shut off, I am unable to turn it back on. It isn't in sleep mode. When I press a button or anything, the screen stays black. Closing the cover when it's like this doesn't put it to sleep. It usually happens when I have a Firefox or Chrome window open. How can I fix this?

My issue is resolved. Turns out I had a defective unit. Swapped it out last night, and it's working fine now. Got the yellow box this time. First one had the black slip cover.
The swap was a bit of a hassle. I had purchased from an Absolute Wireless store in Garner, NC. That's a third party reseller. They made me drive across town to a Sprint service center to have a technician "certify" the defect before they would replace it. And of course, the service center couldn't do the replacement, so I had to drive back across town to point of purchase after they certified it. Best of all, the "certification" process involved me explaining the problem to the technician for about a minute, her agreeing with me that it was a malfunction, and her writing her employee ID on the back of a business card for me to take back to the first store. She didn't even turn the phone on herself. She pretty much said the guy at Absolute Wireless was being a **bleep** in sending me to her in the first place b/c we could have just done this over the phone. PITA. But whatever, I guess that's what I get for not buying directly from Sprint.

FW 31.0.017 problem - Screen shut-off

I have a very irritating problem after the up-grade to 31.0.017.
Closing the slide of my N95 causes a momentary 45 degree scew of the display and then the screen shuts off completely. The phone is still on and recieves calls etc. but the display remains off. Opening the slide (in either dirrection) switches the screen back on again after a short delay.
I have tried numerous resets (hard and soft) and reinsalations (NSU) but no joy!
The old question arises - is there a way to reinstal 30.0.015?
My advice right now is don't update yet if you have an old N95 RM-159 (0534841)!
Anyone experienced the same - any solutions???

Out of curiousity... is the phone being de-branded? De-branding the phone might caused the bugs since HW not supported by FW...
Message Edited by miezarnd on 21-Jan-2009 10:27 PM
V31.0.015
07 Nov 2008
RM-320 - 0555181

How do i change screen shut off?

My screen shuts off in 2 minutes; how do I adjust the settings? I looked and I can't find it. Help!

Settings>General>Auto-Lock>Set time

SCREEN SHUTS OFF RANDOMLY

My screen shuts off randomly
at least twice a day.
This is what I get after force quit my laptop and turn on.
I went to apple store and they said just to open up and check what is wrong cost $300~350
and to fix this problem and replace inside (they said it might be the water spilled inside but that never happened so i don't know what he is talking about.....) is going to cost $1240
They already replaced my hardware one or two months ago and I dont get why this suddenly happens when i didnt not even spill water.
i feel like there should be cheaper way.
and the guy who was trying to find out what the problem is with my laptop
seemed like he doesnt know anything about this.
Does anyone recommend some other way so i dont have to waste my $1240+@ with a problem that they are not even sure...?
Interval Since Last Panic Report: 195056 sec
Panics Since Last Report:          1
Anonymous UUID: 70CB872A-D4A4-405A-8C45-26E38D2EA82F
Mon Sep 23 01:35:53 2013
panic(cpu 2 caller 0x9d4c97): NVRM[0/1:0:0]: Read Error 0x00000100: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0xc0000000 0x7f3bf000 0x0a5480a2, D0, P2/4
Backtrace (CPU 2), Frame : Return Address (4 potential args on stack)
0x5bfd2188 : 0x21b837 (0x5dd7fc 0x5bfd21bc 0x223ce1 0x0)
0x5bfd21d8 : 0x9d4c97 (0xbea22c 0xc5a840 0xbf8f88 0x0)
0x5bfd2278 : 0xaef5db (0x908e804 0x852a004 0x100 0xcb42b6)
0x5bfd22c8 : 0xae65d4 (0x852a004 0x100 0x5bfd22f8 0x9c4774)
0x5bfd22f8 : 0x16c8965 (0x852a004 0x100 0x438004ee 0x1)
0x5bfd2438 : 0xb0e258 (0x852a004 0x9295004 0x0 0x0)
0x5bfd2478 : 0x9dde2b (0x852a004 0x9295004 0x0 0x0)
0x5bfd2518 : 0x9da50a (0x0 0x9 0x0 0x0)
0x5bfd26c8 : 0x9dc53e (0x0 0x600d600d 0x702b 0x5bfd26f8)
0x5bfd2798 : 0xc9feae (0xc1d00041 0xbfef0033 0xbfef0034 0x857c)
0x5bfd2808 : 0xcaf734 (0x92f5800 0xa55af80 0x0 0x0)
0x5bfd2828 : 0xcd4322 (0xa55af80 0xb 0x5bfd2880 0x10)
0x5bfd2858 : 0xcd4b3d (0x96f1000 0x0 0x5bfd287c 0x0)
0x5bfd2888 : 0xcb4d79 (0x96f1000 0x93d10080 0x0 0x0)
0x5bfd28d8 : 0xc76d0c (0x464be000 0x0 0x0 0x3)
0x5bfd2948 : 0xc7640f (0x464be000 0x0 0x2 0x3)
0x5bfd2978 : 0xc6c05f (0x464be000 0x0 0x2 0x463f9000)
0x5bfd2ab8 : 0xca55d8 (0x463f9000 0x1 0x5bfd2bcc 0x5bfd2bc8)
0x5bfd2b68 : 0xc67fe1 (0x463f9000 0x1 0x5bfd2bcc 0x5bfd2bc8)
0x5bfd2be8 : 0x56da06 (0x463f9000 0x0 0x5bfd2e3c 0x5bfd2c74)
0x5bfd2c38 : 0x56e2a5 (0xcf6720 0x463f9000 0x8c0b188 0x1)
0x5bfd2c88 : 0x56eb59 (0x463f9000 0x10 0x5bfd2cd0 0x0)
0x5bfd2da8 : 0x286638 (0x463f9000 0x10 0x8c0b188 0x1)
0x5bfd3e58 : 0x21dbe5 (0x8c0b160 0x90165a0 0x1fd7e8 0x5d43)
0x5bfd3e98 : 0x210a86 (0x8c0b100 0x0 0x933c110 0x9666bd0)
0x5bfd3ef8 : 0x216f84 (0x8c0b100 0x0 0x0 0x0)
0x5bfd3f78 : 0x295c57 (0x9047948 0x0 0x0 0x0)
0x5bfd3fc8 : 0x2a256d (0x9047944 0x1 0x10 0x904b2a4)
      Kernel Extensions in backtrace (with dependencies):
         com.apple.GeForce(6.3.6)@0xc5c000->0xd12fff
dependency: com.apple.NVDAResman(6.3.6)@0x96e000
dependency: com.apple.iokit.IONDRVSupport(2.2)@0x961000
dependency: com.apple.iokit.IOPCIFamily(2.6.5)@0x928000
dependency: com.apple.iokit.IOGraphicsFamily(2.2)@0x93f000
com.apple.nvidia.nv50hal(6.3.6)@0x1592000->0x19a6fff
dependency: com.apple.NVDAResman(6.3.6)@0x96e000
com.apple.NVDAResman(6.3.6)@0x96e000->0xc5bfff
dependency: com.apple.iokit.IOPCIFamily(2.6.5)@0x928000
dependency: com.apple.iokit.IONDRVSupport(2.2)@0x961000
dependency: com.apple.iokit.IOGraphicsFamily(2.2)@0x93f000
BSD process name corresponding to current thread: WindowServer
Mac OS version:
10K549
Kernel version:
Darwin Kernel Version 10.8.0: Tue Jun 7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386
System model name: MacBookPro6,2 (Mac-F22586C8)
System uptime in nanoseconds: 236329375403445
unloaded kexts:
com.apple.driver.AppleUSBUHCI            4.2.0 (addr 0x142d000, size 0x65536) - last unloaded 106072127614
loaded kexts:
com.apple.driver.AppleHWSensor            1.9.3d0 - last loaded 31890547636
com.apple.driver.AGPM            100.12.31
com.apple.filesystems.autofs            2.1.0
com.apple.driver.AppleMikeyHIDDriver            1.2.0
com.apple.driver.AppleHDA            2.0.5f14
com.apple.driver.AppleMikeyDriver            2.0.5f14
com.apple.driver.AudioAUUC            1.57
com.apple.driver.AppleUpstreamUserClient            3.5.7
com.apple.driver.AppleMCCSControl            1.0.20
com.apple.driver.SMCMotionSensor            3.0.1d2
com.apple.Dont_Steal_Mac_OS_X            7.0.0
com.apple.driver.AudioIPCDriver            1.1.6
com.apple.GeForce            6.3.6
com.apple.driver.ACPI_SMC_PlatformPlugin            4.7.0a1
com.apple.driver.AppleLPC            1.5.1
com.apple.driver.AppleGraphicsControl            2.10.6
com.apple.kext.AppleSMCLMU            1.5.2d10
com.apple.driver.AppleIntelHDGraphics            6.3.6
com.apple.driver.AppleIntelHDGraphicsFB            6.3.6
com.apple.driver.AppleUSBTCButtons            201.6
com.apple.driver.AppleUSBCardReader            2.6.1
com.apple.driver.AppleUSBTCKeyboard            201.6
com.apple.driver.AppleIRController            303.8
com.apple.iokit.SCSITaskUserClient            2.6.8
com.apple.BootCache            31.1
com.apple.AppleFSC

Mine just started doing this as did a coworker's (she has a 4 not 4S). We're both on Verizon. I just updated to the latest Verizon Carrier settings and then it started so I thought that was the issue, but since you're having this since March, I don't knwo any more. Prior to this though, mine was taking random screenshots when I'd hit the home button.

I have a mac book nd the screen shuts off depending on the position

my mac book screen shuts off when I open and close it but will stay on in certain position

There is a combination of a circuit, wire, and possibly other parts
that can or may eventually wear out or fail, and these would need
to be replaced. A test & diagnostic check of the computer is a way
to tell more precisely what parts could be involved in a repair.
These can be very detailed to repair and sometimes a take-apart
to fix one possible cause of the problem can cause another one
since there is a likelihood a non-professional DIY may damage it.
{In fact, I have a similar first-edition MacBook1.1 1.83GHz
core duo, with 2GB RAM, 160GB HDD, OS X 10.5.8, and
an issue with the display such as you describe; my answer
to fix it, may be to send mine in a box to wegenermedia.}
If the computer can run an external display with an appropriate
video adapter, then you can tell if the problem is only with the
attached internal display and not some other or deeper failure.
Depending on which MacBook model identifier build year, you
may narrow down more detailed troubleshooting techniques or
look through a correct iFixit repair guide for ideas, and ask to
see what the costs would be to have an expert repair it.
•Mac Laptop Repair guides - iFixit:
http://www.ifixit.com/Device/Mac_Laptop
If you are in an area where an official Apple Store has a Genius
bar you can arrange to have an appointment there to have them
check or diagnose the issue, and estimate parts + cost. In the US
and Canada, an actual diagnostic is a free service; so is estimate.
The Mac computer need not have an AppleCare plan in effect.
Elsewhere, an authorized Apple service provider may offer similar
testing and estimate, but may charge a customary fee for the time.
Hopefully you can narrow down which one you have, from many
built during the 2006 to 2010 era the MacBook was made. They
no longer are; these are different than MB/Pro and MB/Air.
Good luck & happy computing!
edited

Macbrook pro 2010 screen shutting off

Hello,
I have been having a problem with my mac's screen shutting off randomly.
When the screen goes to black the drives keep working and the keyboard stays lit up, but the computer itself has completely frozen.
I know this problem has shown up quite a bit but i'm wondering if theres anything unique about my situation.
I've copied and pasted the data log below:
Interval Since Last Panic Report: 245007 sec
Panics Since Last Report:          8
Anonymous UUID:                    C8606F17-92B4-418A-B2E7-29002B2F7399
Tue Nov 5 19:30:57 2013
panic(cpu 3 caller 0xffffff7f809fb007): NVRM[0/1:0:0]: Read Error 0x00000100: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0xd2000000 0xffffff809fb0b000 0x0a5480a2, D0, P2/4
Backtrace (CPU 3), Frame : Return Address
0xffffff807c77afa0 : 0xffffff8000220792
0xffffff807c77b020 : 0xffffff7f809fb007
0xffffff807c77b0b0 : 0xffffff7f80af3b83
0xffffff807c77b110 : 0xffffff7f80af3bf7
0xffffff807c77b180 : 0xffffff7f80df5855
0xffffff807c77b2c0 : 0xffffff7f80b17ddd
0xffffff807c77b2f0 : 0xffffff7f80a04d6a
0xffffff807c77b3a0 : 0xffffff7f80a0043c
0xffffff807c77b590 : 0xffffff7f80a01668
0xffffff807c77b660 : 0xffffff7f81e3f4d9
0xffffff807c77b720 : 0xffffff7f81e74eb6
0xffffff807c77b7b0 : 0xffffff7f81e57e99
0xffffff807c77b810 : 0xffffff7f81e582d1
0xffffff807c77b860 : 0xffffff7f81e58694
0xffffff807c77b8f0 : 0xffffff7f81e594ed
0xffffff807c77b930 : 0xffffff7f81e152a1
0xffffff807c77baa0 : 0xffffff7f81e59d6d
0xffffff807c77bb60 : 0xffffff7f81e12346
0xffffff807c77bbc0 : 0xffffff8000655f3e
0xffffff807c77bbe0 : 0xffffff800065681a
0xffffff807c77bc40 : 0xffffff8000656fbb
0xffffff807c77bd80 : 0xffffff80002a3f08
0xffffff807c77be80 : 0xffffff8000223096
0xffffff807c77beb0 : 0xffffff80002148a9
0xffffff807c77bf10 : 0xffffff800021bbd8
0xffffff807c77bf70 : 0xffffff80002aef10
0xffffff807c77bfb0 : 0xffffff80002daec3
      Kernel Extensions in backtrace:
         com.apple.NVDAResman(7.3.2)[97284661-2629-379E-B86B-D388618E8C30]@0xffffff7f809 94000->0xffffff7f80c8ffff
            dependency: com.apple.iokit.IOPCIFamily(2.7)[5C23D598-58B2-3204-BC03-BC3C0F00BD32]@0xffffff 7f8087e000
            dependency: com.apple.iokit.IONDRVSupport(2.3.4)[7C8672C4-8B0D-3CCF-A79A-23C62E90F895]@0xff ffff7f80982000
            dependency: com.apple.iokit.IOGraphicsFamily(2.3.4)[D0A1F6BD-E66E-3DD8-9913-A3AB8746F422]@0 xffffff7f80949000
         com.apple.nvidia.nv50hal(7.3.2)[38ACBB3D-4E3C-3883-9A4B-67F15592905F]@0xffffff7 f80c90000->0xffffff7f80fb2fff
            dependency: com.apple.NVDAResman(7.3.2)[97284661-2629-379E-B86B-D388618E8C30]@0xffffff7f809 94000
            dependency: com.apple.iokit.IOPCIFamily(2.7)[5C23D598-58B2-3204-BC03-BC3C0F00BD32]@0xffffff 7f8087e000
         com.apple.GeForce(7.3.2)[7E1D7726-416F-3716-ACCB-E1E276E35002]@0xffffff7f81e070 00->0xffffff7f81ec9fff
            dependency: com.apple.NVDAResman(7.3.2)[97284661-2629-379E-B86B-D388618E8C30]@0xffffff7f809 94000
            dependency: com.apple.iokit.IONDRVSupport(2.3.4)[7C8672C4-8B0D-3CCF-A79A-23C62E90F895]@0xff ffff7f80982000
            dependency: com.apple.iokit.IOPCIFamily(2.7)[5C23D598-58B2-3204-BC03-BC3C0F00BD32]@0xffffff 7f8087e000
            dependency: com.apple.iokit.IOGraphicsFamily(2.3.4)[D0A1F6BD-E66E-3DD8-9913-A3AB8746F422]@0 xffffff7f80949000
BSD process name corresponding to current thread: WindowServer
Mac OS version:
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
System model name: MacBookPro6,2 (Mac-F22586C8)
System uptime in nanoseconds: 502764920706
last loaded kext at 62449608828: com.apple.filesystems.msdosfs          1.7.1 (addr 0xffffff7f815df000, size 57344)
last unloaded kext at 339709388706: com.apple.driver.AppleUSBUHCI          5.1.0 (addr 0xffffff7f8171f000, size 65536)
loaded kexts:
com.apple.filesystems.msdosfs          1.7.1
com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.driver.AppleMikeyHIDDriver          122
com.apple.driver.AudioAUUC          1.59
com.apple.driver.AppleUpstreamUserClient          3.5.9
com.apple.driver.AppleHDA          2.2.5a5
com.apple.driver.AppleMikeyDriver          2.2.5a5
com.apple.driver.AGPM          100.12.75
com.apple.driver.AppleIntelHDGraphics          7.3.2
com.apple.driver.AppleIntelHDGraphicsFB          7.3.2
com.apple.driver.SMCMotionSensor          3.0.2d6
com.apple.driver.AppleSMCPDRC          5.0.0d8
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.iokit.IOBluetoothSerialManager          4.0.8f17
com.apple.GeForce          7.3.2
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.AudioIPCDriver          1.2.3
com.apple.driver.AppleSMCLMU          2.0.1d2
com.apple.driver.AppleMuxControl          3.1.33
com.apple.driver.ApplePolicyControl          3.1.33
com.apple.driver.ACPI_SMC_PlatformPlugin          5.0.0d8
com.apple.driver.AppleLPC          1.6.0
com.apple.driver.AppleMCCSControl          1.0.33
com.apple.filesystems.autofs          3.0
com.apple.driver.AppleUSBTCButtons          227.6
com.apple.driver.BroadcomUSBBluetoothHCIController          4.0.8f17
com.apple.driver.AppleUSBTCKeyboard          227.6
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.iokit.IOAHCISerialATAPI          2.0.3
com.apple.iokit.IOAHCIBlockStorage          2.1.0
com.apple.driver.AppleUSBHub          5.1.0
com.apple.driver.AirPort.Brcm4331          561.7.22
com.apple.iokit.AppleBCM5701Ethernet          3.2.4b8
com.apple.driver.AppleEFINVRAM          1.6.1
com.apple.driver.AppleSmartBatteryManager          161.0.0
com.apple.driver.AppleFWOHCI          4.9.0
com.apple.driver.AppleUSBEHCI          5.1.0
com.apple.driver.AppleACPIButtons          1.5
com.apple.driver.AppleAHCIPort          2.3.1
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.driver.DspFuncLib          2.2.5a5
com.apple.iokit.IOFireWireIP          2.2.5
com.apple.iokit.IOSurface          80.0.2
com.apple.iokit.IOSerialFamily          10.0.5
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.AppleGraphicsControl          3.1.33
com.apple.driver.AppleSMC          3.1.3d10
com.apple.driver.IOPlatformPluginLegacy          5.0.0d8
com.apple.driver.AppleSMBusPCI          1.0.10d0
com.apple.nvidia.nv50hal          7.3.2
com.apple.driver.AppleBacklightExpert          1.0.4
com.apple.driver.IOPlatformPluginFamily          5.1.1d6
com.apple.driver.AppleSMBusController          1.0.10d0
com.apple.NVDAResman          7.3.2
com.apple.iokit.IONDRVSupport          2.3.4
com.apple.iokit.IOGraphicsFamily          2.3.4
com.apple.kext.triggers          1.0
com.apple.driver.AppleUSBBluetoothHCIController          4.0.8f17
com.apple.iokit.IOBluetoothFamily          4.0.8f17
com.apple.driver.AppleUSBMultitouch          230.5
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
com.apple.driver.AppleUSBComposite          5.0.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.2.1
com.apple.iokit.IOBDStorageFamily          1.7
com.apple.iokit.IODVDStorageFamily          1.7.1
com.apple.iokit.IOCDStorageFamily          1.7.1
com.apple.iokit.IOSCSIArchitectureModelFamily          3.2.1
com.apple.iokit.IOUSBUserClient          5.0.0
com.apple.iokit.IO80211Family          420.3
com.apple.iokit.IOEthernetAVBController          1.0.1b1
com.apple.iokit.IONetworkingFamily          2.1
com.apple.iokit.IOFireWireFamily          4.4.8
com.apple.iokit.IOUSBFamily          5.1.0
com.apple.driver.AppleEFIRuntime          1.6.1
com.apple.iokit.IOHIDFamily          1.7.1
com.apple.iokit.IOAHCIFamily          2.0.8
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          177.11
com.apple.kext.AppleMatch          1.0.0d1
com.apple.driver.DiskImages          331.7
com.apple.iokit.IOStorageFamily          1.7.2
com.apple.driver.AppleKeyStore          28.18
com.apple.driver.AppleACPIPlatform          1.5
com.apple.iokit.IOPCIFamily          2.7
com.apple.iokit.IOACPIFamily          1.4
I would run the AHT but I don't have the disk anymore since I left it in the America and i'm in Japan right now.
I've heard horror stories of people bringing their computer into the apple store to get the logic board replaced and it does nothing so i'm wondering if there are any fixes out there.

I think you are having GPU problems which are relatively common with 2010 15" MBPs. Please refer to this Apple support article:
http://support.apple.com/kb/TS4088
Ciao.

Problem: Screen Shuts Off For No Reason

I have the new iPhone 3G.
My screen shuts off (the screen turns black, but the phone is still on...like if you shut the monitor off on a desktop PC while the tower is still on) randomly which requires me to do a hard reset (holding the sleep button at the top of the phone and the home button at the same time until the Apple logo appears).
This happens without warning when I do the following:
1. During a call, when I need to use the keypad, put a call on hold, activate speakerphone, etc. the screen will stay black and will not turn on when I touch it. This means I can't even end a call unless the caller hangs up. It is clear that the phone is still on (I can hear the caller at the other end), but I cannot use the screen at all. The screen comes back on when I put the phone back up to my ear, but then when I pull it away to touch the screen it goes black again.
2. After I complete a call, the screen will shut off before I can press the "end call" button. Even after the call is terminated from the other end, I cannot make the screen come back on.
3. After the screen automatically goes to sleep (goes black), I cannot make it come back on.
In all 3 of these instances, I use a hard reset to make the screen come back on. In the first instance that I listed, I have to do a hard reset during the call in order to disconnect the call and get the screen to come back on.
These problems do not happen during/after every single call. For example, sometimes it will be after one call, other times it will be after five calls. It happens without warning and without reason. It is very inconvenient because I am resetting my phone several times a day. When I call customer service lines (for any company), I can't use the keypad to do things such as "Press 1 for English" without doing a hard reset in the middle of the call and calling back several times until it works.
I would really appreciate it if you could offer some advice on how to fix this problem.
Thank you.

I had the same problem, and a very helpful person in another thread suggested I try removing the phone from the case, as it's probably blocking the little sensor next to the earpiece. When it's close to your head, the display shuts off (because, naturally, you're not using the screen). When you take it away, the screen should pop up. If that sensor is blocked, the thing thinks it's still next to your head.
I'm going to experiment without the case for a few days. if it's fixed, great. If it's not, I'm taking the stupid thing back to the Apple Store. We'll see.
Course, if you don't have a case... I'd say either attempt to erase and restore it from within iTunes or get on the horn with Apple support.

My ipod touch screen shut off and wont come back on

my ipod touch screen shut off and will not turn back on. it is not responding to the buttons either

Try here:
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T4i screen shuts off

the screen will shut off fairly often and pressing shutter halfway does not turn it back on.also after taking picture it will appear on screen for second or less and screen will shut off.I have tried replacing with newly charged battery but that does not seem to matter.sometimes you put you eye up to viewfinder and screen will shut down as it is suppose to but when you back away it does not come back on or will shutter halfway turn it back on.It does not do this all the time but enough to be frustrating

This is a camera setting.
The "Info" button on the back of the camera decides what to display on the rear LCD. As you repeatedly press the "Info" button it will toggles between several options -- one option is to have the rear LCD screen go blank (which saves power).
Press the Info button until it displays what you'd like to see (the factory default is to display the shooting information.)
There's also a timer for image review after taking a photo. You can adjust the timer to decide how long you want the camera to wait while you review the image (you can also just hit the playback button to review images -- and these aren't effected by the review timer.)
Tim Campbell
5D II, 5D III, 60Da

Screen shuts off

Can someone please help me? I have a toshiba satelitte M45-s165 and for a couple of weeks I had been having trouble with it wanting to start up in bios screen so I created a boot disk which seemed to work but the other day while I was working it suddenly went blank, even after rebooting I get the start up screen then it imediatly goes blank again. I cant even put in the reformat disk since the screen doesnt stay on long enough for me to even choose any options. The computer stays on but the screen/monitor shuts off,does anyone have any suggestions???

To add to that, if the ON/OFF light stays on, then it doesn't indicate a power problem. So try an external monitor as suggested, with the Fn+F5 key to switch displays. If the monitor works, then it indicates the internal display is bad.
This signature left intentionally blank.

My mac book pro's screen shuts off a lot

My Macbook pro's screen is shutting off whenever i open some games i downloaded off the internet or try and play any game on my browser. It didn't use to do this only recently because it is winter and my room gets rather cold causing my mac to get cold which i think may be part of the problem. I know its only the screen that is shutting off because the lights underneath the keys are still lit up, and i have to hold the power button to restart it. Thanks in advance.

1. Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
    "Resetting SMC on portables with a battery you should not remove on your own"
2.Reset PRAM. http://support.apple.com/kb/PH4405
3. http://support.apple.com/kb/PH10930
Best.

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