Only half the keyboard works after sleep

I have a fall 2011 Air running Lion. It has a weird problem: sometimes (maybe 1 out of 10), after waking up from sleeping (closing the case - I haven't tried manually putting it to sleep - only the left hand portion of the keyboard works. At the login screen, all the left hand keystrokes generate their little password dots, and all the right hand keystrokes do nothing. I wondered whether there was some sort of genetic remnant from earlier macs with Num Lock keys or toggles between numbers and letters with the fn key. That's wrong, apparently, as I've tried using shift, option, fn command and a bunch of combinations to no avail. The only thing I've been able to do to recover is power it down ugly and then when I restart, things are normal again.
Remember, this happens at the login screen, so I have no menus to work with.
Anyone seen this and found a solution??? Thanks

Hi Alex H.
Thanks so much for the advice. I was near an Apple store yesterday so I stopped in and one of the employees shut down the Music app completely and this resolved the issue. I could have sworn that I had tried that before, but it's possible I hadn't.
Thanks again,
Tom

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“Hi Kirby, thanks a lot for your answer.
I got one answer, from DMoore, saying:
“Try Safe boot and then restart with only Aperture open. Still doent work write back with more details like Ram, HD capacity/free space. Are these thumbnails or Previews? Have you turned off building previews in AP preferances?
Safe boot http://support.apple.com/kb/HT1564
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2 It loads only required kernel extensions (some of the items in /System/Library/Extensions).
3 In Mac OS X v10.3.9 or earlier, Safe Mode runs only Apple-installed startup items (such items may be installed either in /Library/StartupItems or in /System/Library/StartupItems; these are different than user-selected account login items).
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As I don’t know much about the technical aspects of computers, I don’t really understand the first answer, and it sounds like following it might produce unwanted changes.
But I understand your questions, so I’ll try to answer them;
"loading from any Project" means that I encounter the problem when I’m using a project, possibly after/because I’ve left the Mac on overnight, and/or I’ve made a lot of adjustments, and, once the problem is there, it happens in any other project which I open – the images load then disappear.
I can see images in the Browser, so it only happens in the Viewer(s).
I’m afraid I don’t understand what you mean by: “If you select "Photos" from near the top of the Library tab of the Inspector, does it show you all of your Images?”. I am a newcomer to Aperture, so I don’t know what some of the buttons are for yet, but when I want to look at and adjust my pictures, I import them, as referenced images, then Aperture creates a folder/project in the Library. When I click on that Project (when it’s working properly), all the images appear in the Browser or the Viewers – without me needing to “select Photos from near the top of the Library tab of the Inspector”. I selected it and looked at all the items in the dropdown menu, but none of them seems to offer the option to ‘show all the images’. So I’m not sure how to answer your question except to say that – yes, I can see all the pictures in the Browser or the Viewers (when it’s working properly), but I don’t seem to need to use the Photos button to achieve this.
Did Aperture work before?
Yes it worked ok for a while, but I only purchased it on 24th May.
If I understand correctly, the difference between thumbnail and preview is that the thumbnail is what I see when the “Loading” wheel is turning, and the disappearance of this wheel after a few seconds means that I am now looking at the preview (also, the thumbnail cannot be adjusted).
So I think the problem occurs when the thumbnail has finished loading; the viewer going blank/grey might mean that it is not showing the preview.
But I have not changed the default Preview settings in Aperture Preferences.
My macbookpro details:
2.7 Ghz Intel Core i7
Memory: 8 Gb 1333 MHz DDR3
Hard Drive capacity 499.25 GB
Available 387.36 GB
I have noticed another problem: I cannot apply the same rating to multiple images: following the instructions, I select a group of contiguous (or non- contiguous) images, choose a selection eg “5stars” using the keyboard, but the stars only appear in the last selected image – even though all the images are still showing as selected.”
I hope this helps you to understand more.
Thank you for trying to help me.
Tony

M3800 Developer Edition: wifi doesn't work after sleep

I have an M3800 Developer Edition (2015 model). Ubuntu is factory-installed 14.04, with hardware enablement stack installed. Recently (past 1-2 weeks) wifi doesn't work after sleep (lid closed or open doesn't matter), and only rebooting gets in back. Tried rmmod and modprobe with no success. Has anyone else seen this, and/or are you aware of any open bug(s) for this?
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lsmod when problem exists:
iwlmvm                217725 0
mac80211              652718 1 iwlmvm
iwlwifi               179412 1 iwlmvm
cfg80211              494362 3 iwlwifi,mac80211,iwlmvm
rfkill list when problem exists:
1: phy0: Wireless LAN
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        Hard blocked: no
3: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no
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May 4 08:23:14 jonathan-m3800 kernel: [69089.189614] cfg80211: Calling CRDA to update world regulatory domain
May 4 08:23:14 jonathan-m3800 kernel: [69089.192181] cfg80211: World regulatory domain updated:
May 4 08:23:14 jonathan-m3800 kernel: [69089.192184] cfg80211: DFS Master region: unset
May 4 08:23:14 jonathan-m3800 kernel: [69089.192185] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
May 4 08:23:14 jonathan-m3800 kernel: [69089.192187] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
May 4 08:23:14 jonathan-m3800 kernel: [69089.192188] cfg80211:   (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
May 4 08:23:14 jonathan-m3800 kernel: [69089.192189] cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
May 4 08:23:14 jonathan-m3800 kernel: [69089.192190] cfg80211:   (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
May 4 08:23:14 jonathan-m3800 kernel: [69089.192191] cfg80211:   (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
May 4 08:23:14 jonathan-m3800 kernel: [69089.204141] Intel(R) Wireless WiFi driver for Linux, in-tree:
May 4 08:23:14 jonathan-m3800 kernel: [69089.204143] Copyright(c) 2003- 2014 Intel Corporation
May 4 08:23:14 jonathan-m3800 kernel: [69089.204414] iwlwifi 0000:06:00.0: irq 48 for MSI/MSI-X
May 4 08:23:14 jonathan-m3800 kernel: [69089.204904] iwlwifi 0000:06:00.0: loaded firmware version 25.228.9.0 op_mode iwlmvm
May 4 08:23:14 jonathan-m3800 kernel: [69089.207709] iwlwifi 0000:06:00.0: Detected Intel(R) Dual Band Wireless AC 7260, REV=0x144
May 4 08:23:14 jonathan-m3800 kernel: [69089.207790] iwlwifi 0000:06:00.0: L1 Enabled - LTR Enabled
May 4 08:23:14 jonathan-m3800 kernel: [69089.208150] iwlwifi 0000:06:00.0: L1 Enabled - LTR Enabled
May 4 08:23:14 jonathan-m3800 kernel: [69089.392408] ieee80211 phy0: Selected rate control algorithm 'iwl-mvm-rs'
May 4 08:23:14 jonathan-m3800 NetworkManager[901]:    SCPlugin-Ifupdown: devices added (path: /sys/devices/pci0000:00/0000:00:1c.2/0000:06:00.0/net/wlan0, iface: wlan0)
May 4 08:23:14 jonathan-m3800 NetworkManager[901]:    SCPlugin-Ifupdown: device added (path: /sys/devices/pci0000:00/0000:00:1c.2/0000:06:00.0/net/wlan0, iface: wlan0): no ifupdown configuration found.
May 4 08:23:14 jonathan-m3800 NetworkManager[901]: <info> (wlan0): using nl80211 for WiFi device control
May 4 08:23:14 jonathan-m3800 NetworkManager[901]: <info> (wlan0): driver supports Access Point (AP) mode
May 4 08:23:14 jonathan-m3800 NetworkManager[901]: <info> (wlan0): new 802.11 WiFi device (driver: 'iwlwifi' ifindex: 4)
May 4 08:23:14 jonathan-m3800 NetworkManager[901]: <info> (wlan0): exported as /org/freedesktop/NetworkManager/Devices/2
May 4 08:23:14 jonathan-m3800 NetworkManager[901]: <info> rfkill5: found WiFi radio killswitch (at /sys/devices/pci0000:00/0000:00:1c.2/0000:06:00.0/ieee80211/phy0/rfkill5) (driver iwlwifi)
May 4 08:23:16 jonathan-m3800 ModemManager[852]: <warn> Couldn't find support for device at '/sys/devices/pci0000:00/0000:00:1c.2/0000:06:00.0': not supported by any plugin
lspci:
06:00.0 Network controller: Intel Corporation Wireless 7260 (rev 6b)
After reboot:
lsmod |grep -i iwl:
iwlmvm                217725 0
mac80211              652718 1 iwlmvm
iwlwifi               179412 1 iwlmvm
cfg80211              494362 3 iwlwifi,mac80211,iwlmvm
rfkill list after reboot:
0: nfc0: NFC
        Soft blocked: no
        Hard blocked: no
1: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
2: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no

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