Monitor goes into sleep mode on start-up

HP pavilion a6750f desktop, windows vista 64 bit. Error message on blue screen, If this is the first time you’ve seen this stop error screen, restart your computer. If this screen appears again follow steps below. (which this has been going on for a couple months)Check to be sure you have adequate disk space. If a driver is identified in the stop message (there was not) disable the driver or check with the manufacture for driver updates. Try changing Video adapters. Check with your hardware vendor for any BIOS updates. Disable BIOS memory options such as caching or shadowing. If you need to use Safe Mode to remove or disable components restart your computer press F8 key to select Advanced Start-up Options and then select Safe Mode. Technical information stop: 0X00000000=0000005, (0XFFFFF800022B2D37, 0XFFFFFA6009840350, 0X0000000000000000) Collecting data for crash dump... Initializing disk for crash dump...Beginning dump of physical memory.Dumping physical memory to disk: 100%Physical memory dump complete. Contact system admin or technical support group for further assistance.So I read this and not sure of all it mean or what to do with it, so I shut the computer down and waited 6 hours and restarted again it opened into a screen having two option Start Windows Normally or Launch Start-up Repair I choose Normally, again Monitor went into Power Saving Mode, Tower stayed powered-up, but this time the Key Board had no power. Shut computer down I did try one more time and Monitor stayed in Power Saving Mode, and no Power to Key Board. Da da da that’s all folks. What I have done is put a new video card in, a new hdmi cable and even a few prayers. What I want is do I cut my losses and purchase a new computer? Windows Vista has been a joke from its launch any way. or is there a fix, a part that I can purchase to fix this issue?

Hello , 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 desktop computer is not able to display a video signal after originally displaying a blue screen, and I would be happy to assist you in this matter! To correct this issue, I recommend following the steps in this document on Monitor or TV is Blank after Starting the Computer. This should help to enable your system to display the video signal again. If the issue continues, please contact our technical support for further assistance in this matter by clicking the link below to get the support number for your region.
www.hp.com/contacthp/
I hope this helps!
Regards

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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!

HP 2309v Monitor goes into sleep mode

My monitor an computer have been working fine for three months (since i bought a new computer Packard Bell) all of a sudden my monitor stopped working correctly. It now says VGA : no signal and gives recommended settings - then goes into sleep mode. All cables are plugged in correctly, i have restarted the computer countless times (even taken it apart and removed the RAM as suggested on another post). To no avail. Please help.

Hello SEAN1982,
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 understand that you are having issues with your computer display not working. Given your statement that you have tried plugging it into two TV's I am assuming it does not work on them either. This would indicate the problem resides on the computer itself. I am recommending that you review and follow the HP Support document: Windows 8 Safe Mode, which should enable you to boot. If you are able to boot into Safe Mode and see the computer again follow the steps set out in the HP Support document: Using Microsoft System Restore (Windows 8), which will walk you through restoring your computer back to before this became an issue.
***NOTE: Do not worry about the documents being Windows 8 and not Windows 8.1 the steps are the same.
If you cannot boot into Safe Mode the issue appears to be a physical issue and I think it would be best if you contact HP Technical Support for repair options.
I would like to thank you for posting on the HP Forums. Have a great day!
Please click the "Thumbs Up" on the bottom right of this post to say thank you if you appreciate the support I provide!
Also be sure to mark my post as “Accept as Solution" if you feel my post solved your issue, it will help others who face the same challenge find the same solution.
Dunidar
I work on behalf of HP
Find out a bit more about me by checking out my profile!
"Customers don’t expect you to be perfect. They do expect you to fix things when they go wrong." ~ Donald Porter

Late 2012 Mac mini with OSX 10.8.2 has started shutting down instead of going into sleep mode.

Sometime in the last week or so my mac mini has started going into full shut down instead of sleep mode.
I have tried checking and unchecking energy saver boxes but haven't found anything which will get me back to where I used to be - and I haven't knowingly changed anything to make this happen.- maybe an OS update caused it?
The machine will fire up with a tablet click rather than needing the reset button to be pushed so clearly the machine is sort of halfway between sleep and full 'off'. Most frustrating as one of the key issues for me in getting this my first mac was its easy sleep and super quick fire up compared to windows.
Any help appreciated
Oh yes I just remembered that I did just install 2 8gb of crucial RAM (to replace the supplied 2 2gb but surely that can't have anything to do with it - can it)?

Adding to my first post I can now advise that when the mac goes into sleep mode the light on the front stays on (it does not pulse so clearly it is not really sleeping).
When i click the tablet / keyboard this is actually what triggers the mac to reboot
I have tried resetting the SMC as per the following link to no avail
http://macs.about.com/od/usingyourmac/qt/Resetting-The-Smc-System-Management-Con troller-On-Your-Mac.htm
Help please!

Mac Pro randomly goes into sleep mode

My (mid 2010) Mac Pro, OS X.6.8, randomly goes into sleep mode and I can't wake it, have to power it off and reboot. Just started to the best of my knowledge Friday (Jan 6, 2012) I've had it happen surfing the web in Safari, while working on an illustration in Adobe Illustrator, while running Apple Hardware Test, using 23" LCD connected by HDMI and DVI-D, Disconnected monitor and connected 12" Cintiq (LCD Tablet).
The monitor goes black, says "there's no signal coming from your computer", none of the keys will wake it. I have to hold down the power button until it turns off then power it back up. The time between the sleeps varies, 38min, 1hr 34min, 5min, 2hr 17min, 12min, etc. I disconnected everything (except keyboard, mouse, monitor) still the same. Opened and removed the ATI Radeon HD 5870, and noticed the PRAM battery, replaced it with a new one, thought that fixed it, worked for a long time then it happened again.
Tried Apple Hardware Tester again, it said everything is fine, ran it again an error popped up: 4SNS/1/40000000:Te1S-99.364, wrote it down then it slept.

The next time this happens open your mac and see if there is still a fan running. If so you are not sleeping, you are in a thermal cutoff. Keep you mac cover off.
Now reboot as you always do. Take a look at the fan in your 5870. Is it spinning? If so, try to keep an eye on it and see if you can "catch" it not spinning.
When the fan doesn't start, or if it does then stops, the card will overheat and the machine will go into thermal cutoff. The amount of time is variable.
I speak from experience. I am currently on my third 5870 video card. Both the previous two had this fan problem. The only wrinkle in my theory for you is that I wouldn't expect more that, say, 15 minutes of up time at the most, not hours like you got. But it may be that your card is starting ok, but stops sometime later. I chalk it up to the lousy fans Nvidia uses in the 5x70 cards.
FWIW, if you happen to catch the fan stopped before the machine goes into thermal cutoff you can give it a little nudge with your finger to get it going again.
I recommend one of the various temperature monitors. I use iStat Menus and display some key temps in my menu bar. Of course after going through two of these cards I am a bit paranoid!
Some other temperature monitors:
iStat Pro
Temperature Monitor
Hardware Monitor
Note, after typing all this I also realized you got a AHT 4SNS error. I would run AHT again to see if you get that error again. If so that means "Check Main Logic Board" and you may have a more serious hardware problem than just a video card! So my other recommendation is that when you machine fails again look inside for any lit diagnostic leds. There's some near the dimms but there are others on the board as well.

Mac Tower Pro 10.8.5 keeps going into sleep mode

Purchased from Apple, refurbished 2012 Mac Tower Pro. At the same time, purchased a new Dell U2713HM, 27" monitor.
Have been operating on this new system since about the first week of December 2013.
Issue:
The computer has constantly gone into sleep mode after a few minutes of no activity. I can have iTunes radio playing, but the system still goes into sleep mode. As I am typing and moving the curser, the machine stays awake.
This has caused much frustration because when it goes into auto sleep mode, it quits all programs that I am in, and when it does this, I lose all the work I had accomplished. It litterally closes everything and goes to sleep in about 2-3 minutes of no activity.
BTW: the computer and monitor have all its new OEM cables that came in the box, when I purchased the units.
Solutions attempted:
System Preferences — Energy Saver: computer sleep and display sleep set to "never" and unclicked the box "Put hard disks to sleep when possible."
Dell settings: Turned off all energy savers.
Results:
Nothing. Problem persists.

I apologize for the angst. The problem has cost too much money in lost time and material because when it would automatically shut down after a few minutes, all my work was lost.
I misunderstood the terms of the warranty. Thank you for your input and patience. Much appreciated. For the benefit of others that experience this with a new Mac that auto shuts down. Check the following:
1. Go to System Preferences.
2. Click on Security and Privacy.
3. Click on Advanced (bottom right corner)
4. If the first line is checked (Log out after 5 minutes of inactivity); uncheck it and then click OK button.
5. Be sure to click the lock before existing Security and Privacy.
Now the machine will cease shutting down programs to go into sleep mode as soon as machine is inactive for a few minutes.

Early 2008 iMac (8,1) randomly goes into sleep mode

Hey,
My early 2008 iMac (8,1) on 10.8.2 goes into sleep mode by itself. I've played around in Energy Saver, tried resetting SMC, NVRAM, replaced HDD, reformatted HDD, installed smcFanControl, reinstalled Snow Leopard, Lion, Mountain Lion. None of that worked. Took it to the Genius bar, performed some diagnostics tests and they said everything worked properly. Does anybody have the same problem? I can still use the computer for general computer use (light web surfing and e-mailing), but it seems to go into sleep mode when I have a lot of applications open and especially when watching videos. I've tried researching this problem, but I've haven't found a definitive answer. Right now, the Genius that I've been talking to thinks it may be the RAM. I'm waiting on new shipments of test RAM to arrive at the Apple Store for him to properly diagnose.
Thanks,
Jason
iMac (8,1)
2.8 GHz Intel Core 2 Duo
2x2 GB 800 MHz DDR2 SDRAM
ATI Radeon HD 2600 Pro 256 MB
1TB 7200 RPM SATA ST1000DM003-1CH162
If you want to read the whole time line, I've included it here. I apologize for it being so long.
At first I was running Lion (10.7.5) and the computer would enter sleep mode whenever I was doing anything with video. For example, watching YouTube videos and chatting on FaceTime. And funny enough, I distinctly remember watching a bunch of movies with VLC and the computer did not go to sleep (Although, this is not true anymore). I could wake the computer up and use it, however within a few minutes the computer would re-enter sleep mode. The computer seemed fine and I could access all of my files. Tried resetting SMC and it did not resolve the issue.
I made a Genius appointment to see if they were familiar with the issue. The iMac passed the in-store diagnostics test; it said all the components were functioning properly. He told me to bring it home to do a fresh re-install of my OS and then run my computer to see if the problem persisted. I took it home and reformatted my HDD with a 35-pass erase, re-installed Snow Leopard (10.6.8) and declined to transfer any backups from Time Machine. I was using a fresh system and sure enough, the problem persited. Tried doing the same thing again but with Lion (10.7.5) and still no luck. So I made another appointment and it passed the in-store diagnostics test again. I let them keep the computer for a 24-hour diagnostics test. They told me they would diagnose my computer with the OS on my HDD as well as a copy of OS that the Apple store deemed 'good' on an external HDD. The Genius called me and told me that my HDD failed their 24-hour diagnostics test and recommended I replace it. I initially had a 750 GB HDD, and the Apple Store could only offer me a 500 GB HDD ($200). I opted to take my computer to Carbon Computing, an authorized dealer in Toronto, to have a 1 TB Seagate HDD ($170) installed with no OS on it. I brought it home, performed another 35-pass erase and installed Snow Leopard. Problem still persisted. Repeated with Lion, still unsuccessful. Looking back, I was so excited that I just had to replace the HDD to fix the problem, I forgot to ask the guy if he could recreate the issue.
I began to suspect that it was a heating issue. So I installed Temperature Monitor and smcFanControl, and cleaned the fans as much as I could without taking the computer apart. Without smcFC on I tried to recreate the problem and I noticed that the Power Supply Position 1 reached 95 degrees Celsius, and Graphics Processor Temperature Diode reached 97 degrees Celsius before entering sleep mode. I don't know much about temperature sensors and what they monitor specifically, and so I couldn't draw any conclusions from that data. I turned on smcFC and cranked the optical drive speed to 2000 RPM, HDD to 3000, and CPU to 3000. The computer still went to sleep but the temperatures were below 90 degrees Celsius before entering sleep mode. I've tried researching here and on the internet about normal operating temperature ranges of iMacs and generally found that most do reached that temperature but they do not go to sleep mode.
Then I thought it may be a problem with Lion so I upgraded to Mountain Lion. The issue still persisted. Tried resetting SMC and NVRAM, did not resolve issue.
I called the same Apple Store explaining to them that their recommendation of replacing the HDD did not resolve the issue. They told me to bring it in and have them check it out again. I went through the same process I did before; the iMac passed all of their diagnostic tests. The Genius told me this time he will test out the RAM. He called me and told me that he could replicate the problem and so he proceeded to put in a stick of 'good' Apple RAM, but the computer would not work. He said the 'good' Apple RAM was damaged, either before or in the process of putting it in. He plugged in my old stick of RAM and the computer worked. He tried to recreate the problem and claimed that the computer ran for over 24 hours with an existing movie on my HDD playing and it did not go to sleep mode. However, once I brought it home I played the same movie right away and it turned off 17 minutes into the movie. Tried resetting SMC and NVRAM again, ran the movie again, still went to sleep.
And that's the story for now...

Now to find out WHY it does it at home only. How hot is it at home? Have you checked the AC current/voltage at home?
Well they were able to replicate the issue at the Apple Store the second time I left my computer there. Anyway, we don't have any heating on at my house at the moment. It's usually from around 20-23 degrees Celsius (72-75 F). Temperature Monitor says ambient temperature is 30 degree C though...
I'm not really sure how to check the AC current/voltage at home, but my computer worked before I moved it. So I'm not sure if that is the issue.
I normally only have speakers set up to my computer and a wired keyboard. The speakers are powered separately. I would assume that at the Apple Store only the power cord and wired keyboard are connected.
What is the Power Supply Position? And what does it do?
Thanks for your help!

HP Officejet 4620 All-in-One Loses Connection to Wireless Network When It Goes Into Sleep Mode

My HP 4620 All-In-One wireless printer works fine until it goes into sleep mode. Once it goes into sleep mode, it doesn't wake up if a print job is sent to it. If I wake it up manually by pressing the blinking on/off button, it still doesn't print. If I completely turn it off and then on again, the print job that was queued on my computer will start printing, but that's a huge pain and waste of time nearly every time I want to print. I've installed all available updates. I also assigned a static IP address in an effort to correct this but nothing helps. I see that others have complained about this problem, but I do not see that anyone has had success resolving this. My operating system is Windows Vista. I use a Link-Sys Wireless G Router. Thanks.
This question was solved.
View Solution.

so I have called HP tech support 12 times over the last 6 weeks and still my HP Officejet 4620 loses connection overnight. Of course becasue it was a birthday present I spent more time than I normally would have on this issue. While the tech are very polite they have not fixed my problem and now it is too late to return printer to store. This is a lot of money wasted and I think they need to admit this is a bug in this printer and resolve the problem!!!!!

24" imac goes into sleep mode and lights on circuit flicker

Hi -
I have a 24" imac and have found that when the display goes into sleep mode the lights on the circuit flicker.
I have searched the web and other users have complained of the same issue with no resolution.
Here is a similiar post - https://discussions.apple.com/thread/2606099?start=0&tstart=0.      The resolution is probably you need to get the iMac serviced, what i'm wondering is what is the problem in the imac that is causing the issue.    Is this a defect?
Before anyone questions the circuitry in my house here is what I have verified.
An electrician has come and verified the electric panel is good and all circuit breakers are good.   All circuits in my house are copper, no aluminum.
I can plug the iMac into any circuit and the problem starts right when the Imac's display goes to sleep.     I have owned the iMac for approximately 5 months now (bought it used) and the problem started about a month ago.
Assuming this has to be serviced I dread to wonder the price .
Thanks for anyones help.

The sleep timeout has nothing to do with disk activity. It's based on user input, although some background processes can pre-empt it. If you don't want the machine to sleep automatically, disable automatic sleep in the Energy Saver preference pane.

Macbook spontaneously goes into sleep mode and screen off mode

Hi. My Macbook spontaneously goes into sleep mode and screen off mode with varying time between each instance. It usually goes for a few minutes or even hours without doing it and then will go through periods of fluctuation between the modes. I believe this to have started with a minor orange juice accident rather than it being anything software related.
Any ideas as to how I might rectify the problem? Thanks very much in advance,
Danny

When you say it goes into sleep mode ...do you mean you actually see the white pulsing light?
It may be that there is an application running (perhaps in the background) that is keeping your book awake. Printer software sometimes does this for example ...try logging out and seeing if it sleeps like that. If it does, then it very well may be a background process running.
You may find some items in System Preferences/Accounts/Login Items that may be the culprit.

Apple tv loses home sharing when my computer goes into sleep mode

Just recently, my Apple TV says that home sharing is off when my computer goes into sleep mode. It never used to do that - any suggestions?

I have the same problem here. Always back-ed up with Time Machine (OSX 10.9 Mavericks) to Western Digital drives. MyBooks, MyPassport 1TB (USB 3.0), all works fine. Time Machine is actually doing back-ups overnight. Since I got this new 2TB MyPassport Ultra USB 3.0 it's working perfect during days, but every morning when I wake up the MacBook from sleep, I get this annoying error:
Time Machine couldn’t complete the backup to “MyPassportUltra”.
Unable to complete backup. An error occurred while creating the backup folder.
Latest successful backup: Today, 02:27 am
I'm also not able to write anything to that drive, or unmount it. It stil shows up in Finder, and I'm able to read all the data perfectly fine. When I do a Disk Utility Verify Disk directly after, I get this:
Checking volume
disk3s2: Scan for Volume Headers
Invalid Volume Header @ 0: I/O error
Invalid Volume Header @ 2000021315072: I/O error
disk3s2 is not a CoreStorage volume
Error: This disk needs to be repaired. Click Repair Disk.
I don't click Repair Disk, as this will probably screw up my partition. Instead, I have to unplug the USB cable (which is bad for the drive, there's no time to park the drive's heads) and plug it in again. After clicking Backup Now, Time Machine immediately starts backing up, and the drive works fine the rest of the day.
I contacted WD Support, and they are sending me a booster USB cable. As System Information reports, the drive receives enough power though:
Current Available (mA): 900
Current Required (mA): 224
Unfortunately there's no firmware update for this drive, which will probably fix this. See this topic: https://discussions.apple.com/thread/4196704.

RBDAPP01 going into SLEEP Mode and Idocs still in 64 status

Hey all,
I have a Inbound Idoc interface which is being processed using RBDAPP01 Program. The Issue I am facing is that the job running the rbdapp01 program goes into sleep mode even though there are idocs present in 64 status. I tried to debug the work process using SM66 but it does not open any debugging window although it says debugging started. If I cancel the Job and run it again it processes those Idocs Any input on how one can resolve this issue?
Thanks.

Hi Aparna,
Here is extract from SAP material on running RBDAPP01 transaction and possible reasons for delay in processing. HOpe this can help you.
To automate the treatment of IDocs, you must run the ABAP program RBDAPP01 (transaction BD20) in job. This program has a very good option for parallel processing which can reduce a lot the time required for treatment. However use it carefully and make sure you set a packetsize high enough to avoid that your SAP system be overwhelm by demands for available dialog tasks (don't forget one dialog task is monopolized per IDocs packed to treat).
Best Regards,
Krishna

My laptop randomly goes into sleep mode

I'll randomly be on a site or listening to music and then all of a sudden it goes into sleep mode. I'm very aware that it goes to sleep while you've been away from your computer, but it'll go into sleep mode while I'm using the computer. I changed the power setting so that it takes longer to get into sleep mode thinking that would help, but it doesn't. I ignored it at first but it happens more often now and its getting annoying. Sometimes I'll move the mouse pad to wake it back up and it sounds like its going to come back, bit it just goes to sleep again. Its really annoying and frustrating and I don't know what's wrong with it. Anyone have any idea what's wrong with it and how to fix it? My warranty expired this passed March and I can't afford to get it fixed.

"I put a new anti virus on my computer and the sleep mode problem didn't happen after I removed hazardous files on my computer."
Go to any good anti Virus removal forum, SpyBot S&D, Bleeping Computer, others, and start a thread.
They probably will want you to run a DDS log, ERUNT, follow there instructions!
The forum Volunteers that assist you on these sites are busy and it may take up to 3 days for them to start your thread, have patience, they will help.
You may have inadvertently removed/modified part of your operating system (keylogger/screencapture) when removing the malware.
Do not just rely on a recovery point!
Hope you have recovery disks made, and/or a mirror image.
> Was your question answered? Mark it as an Accepted Solution!
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G4 going into sleep mode every 30 seconds

hello all-
I have been having a really nagging problem which I think may be owing to the recent 10.4.10 upgrade (since the problem didn't occur before then). Maybe someone else knows if the OS upgrade is the offender here, or something else.
Anyway- after about an hour to 90 minutes of use, my G4 PowerBook goes into sleep mode unannounced. It can be brought back out of sleep by holding down the power button, but it will go right back to sleep again within a minute's time, and will continue doing this indefinitely (as I discovered when trying to bail out all my recent documents, just in case.)
-I've tried starting the system in safe mode to get rid of unnecessary caches etc., which didn't do the trick.
-I've tried using the system while running on battery power and when connected to a charger.
-I also looked at similar problems on this forum, regarding the 'disk sleep timer' .plist. I can't find this exact file under /Library/Preferences/SystemConfig/com.apple.PowerManagement.plist, so perhaps that has something to do with it?
-I also made sure the display and computer settings were set to the maximum 'never turn off' level.
So! Any ideas? Is this a problem exclusive to 10.4.10? Thanks in advance.

Ok, I've followed your advice, gone into the system log, and I think I've isolated the problem (judging from the times that the message was received) to the following:
Jul 30 12:17:55 MyHD kernel[0]: Power Management received
emergency overtemp signal. Going to sleep.
I'm baffled why it would be receiving an overheated signal- the computer is in a cool environment, and on all occasions when it went into these sudden sleeps, it was running a bare minimum of applications. No external hard drives, printers, or anything else connected, either.
Anyway, looks like at least the probem has been identified. This would explain why the problem only occurs after the computer has been in use for an hour or two.

Week old IMac G5, Version 10.5.2, goes into "sleep" mode randomly....

My sister has a brand new IMac G5, OS X version 10.5.2, the screen randomly will go black, it still stays on, it's like it goes into sleep mode, but force quit wont work, nothing works, restart is required in order to get out of it.
On another note, when she restarts the computer, and sometimes when she's just starting it up not on a restart, the computer will have colored lines running down the whole screen, when it gets to the blue loading screen, it freezes there, where once again it requires a restart. Problem is, the computer is less than TWO WEEKS OLD. I've had my mac for years and cant figure out the problem, anyone that knows of, or has had similar problems and had them fixed that could help out would be nice. Thanks!

In fact, what your sister has is an intel iMac, not a G5, those were discontinued a couple of years ago. She has telephone support for 90 days and should call Apple immediately for a solution to her problem.

Monitor goes into sleep mode on start-up

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