My macbook doesnt wake up from sleep mode, my macbook doesnt wake up from sleep mode

What to do when the computer doesnt wake up form sleep mode when left for a couple of hours?

Hit me over the head enough times with a fact and it will sink in.
In the front right corner where your right wrist sets when typing there is a light in the dot of the i in Thinkpad. When the computer is asleep, what is that light doing? When you try waking up the computer and the screen is black, is the light doing anything?
Do you have the power manager installed?
Hoov
Microsoft MVP - Consumer Security
SpywareHammer.com

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My MacBook Pro won't reconnect to my Wi-FI automatically after waking from sleep mode

Hello, everyone. Since I updated to Yosemite, my MacBook Pro won't reconnect to my Wi-FI automatically after waking from sleep mode.
Does anyone know how to fix that?
Thanks in advance,
Arthur.

Hi, arthurpacifico.
Thank you for visiting Apple Support Communities.
Here are a couple troubleshooting steps that I would recommend trying to see if it corrects this issue.
Intel-based Macs: Resetting the System Management Controller (SMC)
http://support.apple.com/kb/HT3964
Reset your computer’s PRAM
http://support.apple.com/kb/HT1379
If the issue persists, try the troubleshooting steps I have attached below.
Symptom: After restarting or waking from sleep, my computer might not connect to the Internet
After waking from sleep or starting up, your computer may not show that it is connected to a Wi-Fi network.
After start or wake, your computer may indicate that it is connected to a network, but does not connect to the Internet.
Solution
Use these steps if your computer does not automatically connect to your desired Wi-Fi network.
Check your TCP/IP settings in the Network pane of the System Preferences. Click the "Renew DHCP lease" button
Choose System Preferences from the Apple menu.
Choose Network from the View menu.
Select Wi-Fi, then click the Advanced button in the lower-left hand corner of the screen.
Click the TCP/IP tab from the top of the screen.
Click the "Renew DHCP lease" button.
Select the Wi-Fi tab and view your Preferred Networks list.
Select each network and click the minus sign to remove those networks from your Preferred Networks list.
Click OK and close the Network preferences.
Remove your stored network passwords using the Keychain Access Utility.Restart your computer.
Open Keychain Access from /Applications/Utilities. Your window will look like this:
Remove your AirPort network passwords from the login keychain: Select the "login" keychain from the Keychain sidebar. Click the "Kind" column to order the list of keychain items by their type. Remove all entries of the kind: "AirPort network password".
Remove your AirPort network passwords from the System keychain: Select the "System" keychain from the Keychain sidebar. Click the "Kind" column to order the list of keychain items by their type. Remove all entries of the kind: "AirPort network password".
Note: The above steps will remove your Wi-Fi network passwords. If you do not know them, or if your network does not use passwords to restrict access, you should contact your network administrator.
Join your Wi-Fi network. You will need to enter your password for your network again if it requires one.
Wi-Fi: How to troubleshoot Wi-Fi connectivity
http://support.apple.com/kb/ht4628
Cheers,
Jason H.

OSX 10.9.1 macbook pro 13 retina - wifi does not reconnect automatically when waking up from sleep mode since I have a Bluetooth apple magicmouse

Hello,
My config is OSX 10.9.1 new macbook pro 13 retina (2014).
The wifi does not reconnect automatically when waking up from sleep mode since I have a Bluetooth apple magicmouse.
It was not the case before I bought the BT mouse.
Is this problem between Wifi and bluetooth coming from the OS?
Is there a fix already available or scheduled?
Thanks

Hello alexandrefromfrance
Check the Symptom: The network connection drops unexpectedly section for steps on what to do when your MacBook Pro does not connect after waking from sleep. I have also quoted the section on troubleshooting the issue as well.
Wi-Fi: How to troubleshoot Wi-Fi connectivity
http://support.apple.com/kb/HT4628
Symptom: After restarting or waking from sleep, my computer might not connect to the Internet
After waking from sleep or starting up, your computer may not show that it is connected to a Wi-Fi network.
After start or wake, your computer may indicate that it is connected to a network, but does not connect to the Internet.
Solution
Use these steps if your computer does not automatically connect to your desired Wi-Fi network.
Check your TCP/IP settings in the Network pane of the System Preferences. Click the "Renew DHCP lease" button
Choose System Preferences from the Apple menu.
Choose Network from the View menu.
Select Wi-Fi, then click the Advanced button in the lower-left hand corner of the screen.
Click the TCP/IP tab from the top of the screen.
Click the "Renew DHCP lease" button.
Select the Wi-Fi tab and view your Preferred Networks list.
Select each network and click the minus sign to remove those networks from your Preferred Networks list.
Click OK and close the Network preferences.
Remove your stored network passwords using the Keychain Access Utility.
Open Keychain Access from /Applications/Utilities. Your window will look like this:
Remove your AirPort network passwords from the login keychain: Select the "login" keychain from the Keychain sidebar. Click the "Kind" column to order the list of keychain items by their type. Remove all entries of the kind: "AirPort network password".
Remove your AirPort network passwords from the System keychain: Select the "System" keychain from the Keychain sidebar. Click the "Kind" column to order the list of keychain items by their type. Remove all entries of the kind: "AirPort network password".  Note: The above steps will remove your Wi-Fi network passwords. If you do not know them, or if your network does not use passwords to restrict access, you should contact your network administrator.
Restart your computer.
Join your Wi-Fi network. You will need to enter your password for your network again if it requires one.
Regards,
-Norm G.

My Macbook Pro (early 2011, 15") randomly shuts down after being turned on from sleep mode?

-So over the past week, I find that my macbook pro will randomly shut down within 1 minute of being turned on from sleep mode. Within the first few days of this, I figured out that it will only happen if I move my mac around before its completely into sleep mode. BUT now it shuts down regardless or preparation before sleep mode and everytime I turn my computer back on, I log in, and then have restore my chrome window tabs and stuff. What is going on??
-Do I need to replace my drive??
*PLEASE help me, thanks!
P.S. - I am runnng OS X Mountain Lion 10.8.5

austine38,
if you boot into Safe mode, and then immediately restart into normal mode, log in, and put it to sleep, does it still exhibit the same random shutdowns afterwards?

MacBook Pro won't stay asleep with external monitor attached. When sleep is selected from the Apple menu the computer will go to sleep only to continually wake up...go back to sleep...wake up...etc. every few seconds.

MacBook Pro won't stay asleep with external monitor attached. When sleep is selected from the Apple menu the computer will go to sleep only to continually wake up...go back to sleep...wake up...etc. every few seconds. This only happens when using the external monitor. Does anyone have any suggestions?

Mine does that too. The worst thing is when it goes to sleep, then wakes up and keeps running while the lid is closed and it is wrapped up in a case. I am afraid when the hot weather comes it is going to burn up. I am hoping Apple fixes it in the software or they may have a melted MBP to replace.
Then when I open the lid it is crashed running at fill tilt, pumping out heat to beat the band. I am forced to hold the button down and reboot.
I wiped my hard disk and reinstalled my OS, but it didn't help. I reversed my OS to 10.5.0 and it solved the DVI problem but still won't sleep. This post will probably be deleted by Apple, they did it a few days ago. I just don't know what to do, and I consider myself a real Apple expert. Just hoping you realize you are not the only one.

My macbook pro goes to sleep by it does not wake up. I have to restart it. I had recently to change the board in the attached Thunderbolt display.

my macbook pro goes to sleep by it does not wake up afterwards. I have to restart it. I had recently to change the board in the attached Thunderbolt display, because I noticed that the same problem arose when the display was attached.
Now with the new board, it can't be the display's fault. I hope it is not macbook pro's main board fault. Maybe hasthe notebook board been damaged by the faulty display?
To bring my MacBook Pro to service will slow down my work. This is why I am posting this message, in the hope to be able to run a diagnostic test myself.
Thanks a lot, in advance.

Hello Aminetti,
It sounds like your computer goes to sleep, and will not wake up, so you must manually restart your computer. I recommend the troubleshooting in the following article:
OS X: When your Mac doesn't sleep or wake
http://support.apple.com/kb/TS5357
Reset SMC
Reset NVRAM/PRAM
Test with external devices disconnected
Try Safe Mode
Try another user account
Thank you for using Apple Support Communities.
All the best,
Sterling

My macbook pro 2.0 early 2011 will not go to sleep with the power source connected. only enters sleep mode when running on battery. Someone did this happen, and it could solve?

Alo, my Macbook pro i7 2 GHz Intel Core i7 (early 2011) will not go to sleep with the power source connected. only enters sleep mode when running on battery. Someone did this happen, and it could solve?

There is no output from that command line? Maybe the pid changed.
I'll repeat what I am trying to find out...
1. You do a pmset -g on the terminal.
2. The output from that pmset should have a line that says "sleep 0 (imposed by n)" where n is some number.
3. The ps ax | grep n is supposed to display what the process associated with n is.
It's the output from step 3 that should indicate what is causing you not to sleep.
But speaking of sleep, that's where I am going.

Monitor goes into sleep mode and will not wake up

My monitor goes to sleep and will not wake up. I try powering off and that will not respond. I have to unplug the workstation and start back up. I have turn off sleep to never sleep and now it just goes to sleep when Im working.

Hello @rosendahl14,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I have read your post on how your monitor goes into sleep mode and will not wake up, and I would be happy to assist you in this matter!
To rule out any sleep mode issues with the monitor, I am providing you with some steps you can try below:
Step 1. Unplug the power cord from the back of the monitor and the wall
Step 2. Hold the power button down for at least one minute
Step 3. Plug the power cord back into the monitor and then into the wall outlet (not a power bar or surge protector)
Step 4. Press the Menu button on the monitor
Step 5. Navigate to the Factory Reset option and select it
Step 6. Try a different cable connecting your monitor to your computer
If the above steps did not resolve your issue you can try the monitor on a computer or other device to see if the issue persists. Please call our technical support at 800-474-6836. If you live outside the US/Canada Region, please click the link below to get the support number for your region.
http://www8.hp.com/us/en/contact-hp/ww-phone-assist.html
To further diagnose a possible hibernation issue with your desktop, I recommend following the steps in this document on Troubleshooting sleep and hibernate issues (Windows 7). I also recommend following the steps below to reset your system's power management settings:
Step 1. Click the Start button
Step 2. In the search box, type "Command Prompt"
Step 3. Right-click Command Prompt
Step 4. Click Run as administrator
Step 5. At the command prompt, type powercfg /restoredefaultschemes and press Enter
reference: http://superuser.com/questions/669571/windows-8-1-64-bit-power-schemes-gone
Please re-post with the results of your troubleshooting, and I look forward to your reply!
Regards
MechPilot
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the right to say “Thanks” for helping!

Right now, I'm stuck in the settings, when I press the sleep/wake button or the home button it doesnt let me. But is not frozen or any thing just the buttons. help me please!!!!!

Right now, I'm stuck in the settings, when I press the sleep/wake button or the home button it doesnt let me. But is not frozen or any thing just the buttons. help me please!!!!!

Try:
- iOS: Not responding or does not turn on
- Also try DFU mode after try recovery mode
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
- If not successful and you can't fully turn the iOS device fully off, let the battery fully drain. After charging for an least an hour try the above again.
- Try another cable
- Try on another computer
- If still not successful that usually indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order.
Apple Retail Store - Genius Bar

Since installing Mac OS X 10.9.2, when my computer sleeps, it frequently will not wake up, and I have to restart from scratch. Any advice?

Since installing Mac OS X 10.9.2, when my iMac sleeps, it frequently will not wake, and I have to force a computer restart.

Kate Bernard wrote:
The OP said that the computer will not awake from sleep, but did not mention any troulble with WiFi.
Are the troubleshooting steps for fixing a WiFi connection after waking from sleep relevant to a computer that fails to wake up at all?
Perhaps.

Boot Snow Leopard from Thumb Drive in Single User Mode on Macbook Air

I'm trying to boot from a thumb drive that I transferred the Snow Leopard .dmg on. My macbook air only lets me get into single user mode. Every time I try to boot or enter safe mode or regular mode, the Macbook Air shuts down.

I do have the installation media on my usb flash drive. I'm sure it's leopard, and the problem is that I cannot get passed the apple logo on boot. The laptop turns off after trying to finish the boot for twenty seconds. However, I can get into single user mode. I just can't seem to install the media in single user mode due to my lack of know how.

My ipod touch 8g 2nd gen doesnt charge from mains power or macbook

my ipod touch 8g 2nd gen doesnt charge from mains power or macbook when plugged in, it has just suddenly stopped working.

See:
iPod touch: Hardware troubleshooting
iOS: Not responding or does not turn on

I just tried to wake up my 4 year-old MacBook Pro after perhaps an hour of inactivity, and it just 'pinwheels' and won't restart. HELP!!!!!!!!!

I just tried to wake up my 4 year-old MacBook Pro after perhaps an hour of inactivity, and it just 'pinwheels' and won't restart. HELP!!!!!!!!!
Semi-experienced user - Western New York.
System was operating nominally until I opened it from 'sleep' mode after ~1 hour of inactivity.
No idea what's going on. I had just installed a Flash Player update [not an atypical occurrence] at ~6:00 PM this evening, but used the system without incident after that. Re-Start attempt does not appear to succeed, the circular pre-OS icon never clears and displays the authorization screen.
Anyone with an idea how to help would be greatly appreciated. We have so much personal and business data on this machine!!!
Thanks!
Jim F.

Press and hold the power button for a few seconds until the power shuts off, then release, wait a few more seconds, and press it again briefly to restart.
The fact that you're worried about the data implies that you have no backups, or that you don't have confidence in your backups. Your first priority must be to back up all the data you intend to keep. Ask if you need guidance.

Sleeping Mountain Lion will not wake up

I have just update to Mountain Lion on my 27inch iMac .
Once it goes to sleep automatcially it will not wake up again. I need to press the power button and reboot the whole system which loses any work I am doing
There was no problem with Lion. The machine would wake up via the mouse click or enter on the keyboard
Has anyone else experience this problem and is ther a setting that neds to be changed somewhere

I suspect now that some widgets, and apps are setting bad hibernatemodes.
source: https://discussions.apple.com/message/19066192#19066192#19066192
I used pmset -g, and it said I was in hibernatemode 5. I set this (sudo pmset -a hibernatemode 0) closed the lid, and it came back up. I set it to 3, and the same. I moved over to my widget, and set it. Checked my mode, and it was back to 5.
I used `man pmset` it said to only use mode 0, 3, and 25! No others! I again set it (sudo pmset -a hibernatemode 25) this time to 25, and it seems to work fine.
I suspect Apple made changes to their power managment, and disabled older modes. They should have set this correctly in our upgrades, instead of letting us figure it out.
[repost from: https://discussions.apple.com/message/19062891?ac_cid=op123456#19062891?ac_cid=o p123456]

I have a year old iMac and Macbook, both on 10.7.3. Every time the iMac goes to sleep I lose wi-fi. No problem with the Macbook and iPad. A lot of people seem to have the same problem. What's the solution?

I have a year-old iMac and Macbook, both on 10.7.3. Every time the iMac goes to sleep I lose wi-fi from Airport Express. No problem with the Macbook or my iPad. It seems a lot Mac users are having the same problem. Is there a solution? Does Apple have a solution?

Sometimes there are problems.
Somethings to try but probably won't help....
1. Repair Disk Permissions
2. Startup in Safe mode by holding down the "Shift" key....
3. Reset the P Ram by holding down the "Command/Option/P/R" keys at the same time...
The above are standard items to do on any Mac from time to time.
I repair permissions at least once a month....
The other 2 periodically as they do straighten things out when they get out of whack....
Thanks for the feedback.

My macbook doesnt wake up from sleep mode, my macbook doesnt wake up from sleep mode

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