Acer Aspire 5742 :: Screen Intermittently Dims And Brightens Windows 8.1

Oct 28, 2014

 dim and brighten....sometimes as frequently as every 20 seconds. happens when im not plugged in!

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Acer Aspire V3-571-6447 :: Beeps And The Screen Dims And Then Brightens

Sep 27, 2014

My laptop is an Aspire V3-571-6447 with windows 8.1 os.For the past month or so it starts beeping and then the screen goes dim and then it beeps and brightens up again. This might go on for 3 or 4 minutes and then it stops. Is this an indication of a problem? It doesn't seem normal to me and from what research I have done it seems that beeping is not a good thing.

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HP ProBook 450 Display :: Constantly Dims And Brightens When Powered By Battery

Nov 3, 2014

my HP ProBook 450 lowers the brightness when its on a light screen (say the website background is white, it darkens the brightness)  because white screens dont need the brightness ...and vice versa, it brightens the screen when its on a dark page.  

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Acer Aspire 5742 :: Screen Goes Blank After Starting Windows

Sep 23, 2014

Got an acer 5742 running windows 7. All of a sudden the display has stopped working.

It boots fine and the display works up to the point of "starting windows". I see the windows logo for a bit then it goes off.

If I plug into an external display it works fine. In graphics properties, the display isnt even listed (only the external display shows up).

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Acer Aspire 5742 :: Screen Goes Blank After Starting Up

Sep 23, 2014

Got an acer 5742 running windows 7. All of a sudden the display has stopped working.

It boots fine and the display works up to the point of "starting windows". I see the windows logo for a bit then it goes off.

If I plug into an external display it works fine. In graphics properties, the display isnt even listed (only the external display shows up).

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Acer Aspire 5742 :: Laptop Doesn't Boot Instead It Keeps Restarting With Nothing On Screen

Sep 18, 2014

My laptop doesnt boot. when i turn it on, blue lights r shown for power and hard disk. but nothing on the screen. and it restarts by itself.
 
Model: acer aspire 5742
OS: windows 7
Processor: intel p6100
ram: 3gb

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Acer Aspire 5742 :: Unauthorized Windows 7 Message

Jan 23, 2015

I have an Aspire 5742 factory loaded with Windows 7 and it worked for 3 years. Now, Microsoft is sending me 'Unauthorized Windows' messages. The hardware has not changed.   Microsoft checked and said my OEM product key is fine.  Restoring to a previous point failed to fix problem.    I just ordered the eRecovery DVD.     Is there a way to fix this without wiping the system and starting over? I have a LOT of software installed that I will hate to lose.    BTW - my best guess is that malware caused this.

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Acer Aspire 5742 :: Rebooting Continuously Running On Windows 7

Sep 3, 2014

I own an Acer Aspire 5742, model no. PEW71. It is running on Windows 7. I included a vid for you to see what the problem is: [URL] ....
 
So, as you can see, the computer can be turned on, but it doesn't get through the acer screen on to the windows picture, and it automatically reboots and shuts itself down again over and over again. This has happened in the past, but the repairers have reset the operating system and BIOS. They also switched the hard disk for a new one, but this could be because of some other problems I was having (USB channels weren't working).

Everything worked fine for a month or so, and then it happened again. I myself am thinking about the motherboard being damaged.When this happened in the past however, I was still able to turn on my PC sometimes, so I was also able to save my files. Now on the other hand, I can't get the computer on anymore. The most important thing to me is saving the files. After that, I'll take it away for reparation again, where they will probably delete everything again (I can't commicate with the repairers myself, so I can't discuss terms or anything).
 
At the end of the vid you can see me turning off the computer by pulling out the adapter. Removing both the adapter and accu is the only way the computer can be turned off. Even shutting it down by pushing the on/off button for 5 seconds will not prevent the auto re-boot.

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Acer Aspire 5742 :: (Windows 7) Plays Spotify But No Other Sound

Jan 14, 2015

At some point during the day, the sound on my Acer Aspire 5742 (running on Windows 7) ceased to function. There is no sound on any internet browser, and the normal notification audio is also not playing. I have checked the mixer and everything is fine. I have checked the speaker properties, which says that the Realtek Audio speakers are enabled and working properly. However, when I try to test the speakers a message says 'Failed to play test tone'. The weird thing is that Spotify is playing totally normally. I have tried shutting down Spotify and restarting it. I have tried turning my computer off and on again.

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Acer Aspire 5742 :: Unauthorized Windows 7 Message For Factory Loaded OS

Jan 15, 2015

I have an Aspire 5742 factory loaded with Windows 7 and it worked for 3 years.  Now, Microsoft is sending me 'Unauthorized Windows' messages. The hardware has not changed. Microsoft checked and said my OEM product key is fine.  Restoring to a previous point failed to fix problem. I just ordered the eRecovery DVD. Is there a way to fix this without wiping the system and starting over? I have a LOT of software installed that I will hate to lose. BTW - my best guess is that malware caused this

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Acer Aspire 5742-7653 :: Full Scan On Windows Defender Not Allowed

Dec 26, 2014

I'm  sure I have a virus that won't let me do a full scan on Windows Defender (only quick).  It won't list ACER's eRecovery option.  How may I do a factory reset?  This is an ACER Aspire 5742-7653.

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Lenovo X Series ThinkPad :: X220 Stuttering System - Screen Automatically Dims Itself While Starting Windows

Feb 3, 2011

My x220 is driving me crazy these days. Some days ago I experienced very strange behavior of my system. I was just using the notebook as always as it started to stutter.

With stuttering I mean everything is working for 1-2 seconds then is stuck for 1-2 seconds, working, stuck, working so on so forth.

With everything I mean the mouse movement, hard disk load, graphics movement, audio, everything simultaneously. This problem does show up not only if Windows is up but also when Windows is booting or if I start a live linux distribution.

I also noticed that sometimes when I'm moving around the ultranav trackpoint the cursor jumps to one display edge and opens a context window as if I had pressed the right mouse button.
 
What I did so far:

Reboot my system several times.
Checked Task-Manager: nothing out of the ordinary
Reset BIOS to factory settings
Updated everything to newest stuff
Started a live Linux distribution instead of Windows 7
Decrypted my system (TrueCrypt)
Deactivated Power Management/SpeedStep via BIOS settings
Switched to Single-Core processing via BIOS settings
Swapping RAM from 2x8GB CORSAIR to 2x4GB KINGSTON
Swapped SSD with original HDD
Try booting windows in safe mode

I'm almost at a point to say this can't be a software issue and that it is something mainboard/CPU/GPU related, but I want to be certain before contacting the support.

Another thing I noticed: The stuttering starts exactly when the windows logo shows up and the screen automatically dimmes itself while starting windows. Something is happening in that moment. I may need to add that I did not install anything prior to the current situation. That does support the hardware relation.

Lenovo X220 (Model: 4290-G51) | Intel Core i7 2460M | Intel HD 3000 | 2 x 8 GB CORSAIR DDR3-1333 RAM | 256GB SAMSUNG 840 Basic SSD | 9-Cell orig. Lenovo Battery 29++ (FRU: 42T4942, LGC) | BIOS V1.29 | Power Manager V6.65.1 | Power Management Driver V1.67.04.05 | Windows 7 Professional 64Bit (up-to-date)

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Aspire E1 522 :: Windows 8 - Wireless Adapter Intermittently Not Recognized

Dec 23, 2014

There is a recurring problem where the computer ceases to recognize the existence of the wireless adapter. It doesn't matter if the computer is running 8, or 8.1, nor if the computer is fully Updated. This seems to be a hardware problem or some sort of electrical short, not a driver problem. I have done a bit of research over the last four months or so (when the problem first started happening), and the problem I am experiencing is most likely caused by either a faulty card, or a card that is loose from its socket on the motherboard, and not by a driver/hardware discrepancy.The strange part is the intermittent nature of the computer's recognition of the device. Stranger still is that despite what appears to be a hardware problem, I have usually been able to fix it, either by:
 
Uninstalling then reinstalling the device's drivers,Restoring the computer to a previous point,Reformatting the computer using the built in Windows 8 feature, and/or Removing certain Windows Updates in reverse chronological order (until the integrated WiFi device is recognized).
 
Last night, the problem happened again. It was maybe the 4th or 5th time overall, and the 2nd time I was forced to "hard reformat" in an attempt to fix the problem. Until just a few minutes ago, when I partially deconstructed then reconstructed the device, the "hard reformat" method didn't fix the WiFi. After the "hard reformat" didn't work, Upon turning the computer back on, it recognized the wireless adapter, I connected to the network successfully, and here I am now, documenting what happened.
 
I essentially did nothing significant to the device, and now the wireless adapter is recognized. Why?
 
All that being said, I believe I have narrowed down the cause of the problem, at least in my case. I believe there is some sort of electrical short issue. The short is caused by one (or perhaps both) of the following:
 
Assuming the physical location of the wireless adapter is next to the location of the port for the AC adapter, I think the AC adapter, when moved or jiggled by a hand, somehow negatively interferes with the wireless adapter, causing it to fail.Shutting the lid of the computer, perhaps when combined with the above, and/or under other conditions (something having to do with power settings?, something having to do with the state of the network when the lid is shut?), causes the network adapter to fail.Something very similar used to happen on an old Dell notebook I had, as well as on a CR-48, towards the end of their lives. That is, in order for the internet to work, I had to have the AC adapter at certain angle when it was plugged into the computer. Otherwise the wireless connection would drop. It seems like there's a connection there (pun intended), but perhaps not?

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Acer Aspire 5742 :: Output Display To TV

Jan 18, 2015

I have an Aspre 5742 which is a couple of years old now. It is running Windows 7. I have been trying to output the display to my TV but it is not working.

When using the HDMI connector there is no output whatsoever. I have followed the suggestions on the Acer website about detecting connected monitors but this does not detect my TV ...

When using the VGA output the deTect function detects the presence of the TV but the TV does not detect the computer.

I have connected another computer to the same TV using the same cables (HDMI and VGA) and everything works just fine.
 
I have updated the video drivers on the Acer but there is no change.
 
A few months ago we had to change the hard disk as the original packed in. I put in the same model disc as I took out and reloaded tyhe software from the rescue disc. Prior to this the HDMI worked perfectly.
 
TV is a Sony Bravia

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Acer Aspire 5742 :: Recovery Process Stuck At 31 Of 32

Feb 25, 2015

I'm reformatting my HD and it gets stuck on 31 of 32 in the cleanup stage. I had this happen last time I did a reformat but I forgot how I fixed it. I have an Aspire 5742 using Windows 7.

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Acer Aspire 5742 :: Caps Lock Notification

Dec 7, 2014

I have been using this small utility for caps lock on a 5742 using W7 Pro and it works well. The 5742 doesn't have a caps lock light or indicator built into from Acer, so one have to come up with something.
 
This program will place a red "x" or green "check" in the taskbar letting you know if you're in caps lock and will also produce a small "beep" after a few letters typed in if in caps lock.

[URL] .....

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Acer Aspire 5742 :: Recovery Disk - Bootmgr Missing

Dec 23, 2014

Acer aspire 5742. Installed new hdd. I bought recovery disk. Inserted recovery disk selected top option, inserted dsk1 when asked then dsk 2 when asked. dsk did not run error bootmgr missing ctrt/alt del to restart.  Does nothing same error comes up. removed dsk tried again same thing. removed dsk shut down inserted recovery dsk to try to start over. same error.

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Acer Aspire 5742-7653 :: Stuck In Reboot Loop

Feb 18, 2015

My Acer 5742-7653 is stuck in reboot loop.  It starts to load Windows 7, and then the screen goes black, and it beeps a bit, and theen starts over again.  The F2 button no longer gets me into Setup.  And the F12 doesn't work.  I can't get into SafeMode or Setup.  When the problem first began, I could sometimes get into Setup and boot from an external HD which as a diskImage. 
 
I used to be able to remove battery, and remove HDD and RAM, and then it would boot up from the external HD.  To get through a busy period at work we set the power option so the computer would never shut off.  But this is creating problems with all the Firefox, Adobe and Windows updates that want to run.
 
This is running on Windows 7, 64bit.
 
How can I determine if this is a problem with the HDD, or the RAM?  or Motherboard? What else could it be?

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Acer Aspire 5742 :: Can`t Able To Install Wireless Network Adapter In Laptop

Sep 3, 2014

i cant Able to install wireless network adapter in my laptop..I downloaded all updated drivers from Acer website but still its missing and not able to connect WIFI.

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Acer Aspire 5742 :: Recovery Disk - Could Not Find Image To Restore

Dec 13, 2014

Acer aspire 5742. HDD crashed. I nstalled WD HDD. Booted with recovery disk. 1st screen US english next. second screen no OS in box. tried restore with image you have created earlier. could not find image. tried other recovery tool, Recovery Management. will not let me click on completely restore system to factory defaults. If I go back and click install drivers the disk has many applications and drivers. Put the old HDD back in and booted from disk. It allowed me to click on restore to default but when finished and restarted nothing. restarted wit f2 and with old drive in shows no HDD  

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Acer Aspire E5-511 :: Cursor Intermittently Freezes

Oct 19, 2014

I have e5-511 laptop and the cursor intermittently freezes which is very annoying.i have had the laptop one week.

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Acer Aspire 5742 :: Laptop Charging Light Blinks Some Times On Plug In?

Mar 9, 2015

On mostly when my charge is 96% the charging light starts blinking red continuously , some thimes it does not charge the laptop too , but after some time it starts again.

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Dell Inspiron 15 :: Laptop Screen Dims When Unplugged

Dec 29, 2014

Whenever I unplug my laptop from external power, the screen considerably dims and the taskbar turns white over it's usual blueish black. I've gone into the power settings and changed them so that brightness is 100% when unplugged, but to no avail. According to my computer it's at maximum brightness when unplugged but it's obviously not. Trying to increase the brightness by the sun key or pressing Fn up doesn't work either. Tried to go into BIOS via F2 but couldn't find a video or brightness option.

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HP 14-d001AU  Notebook Display :: Screen Dims On Battery Use

Jan 14, 2015

Model 14-d001AU  Notebook
 
Bright usable screen on mains power but when the power lead is removed the screen goes so dim you can hardly see it.Battery indicator shows fully charged. No difference when fn and f10 or f9 used.

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Acer Aspire 5515 :: Windows Vista - Error Message On Blue Screen - Windows Does Not Load

Oct 22, 2014

I have a "Hive" error message that displays on a blue screen. Windows does not load. Any wa getting this machine going ....

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Acer Aspire V3 572 :: Windows 8.1 - Black Screen With Cursor

Feb 14, 2015

After logging in I get stuck in  a black screen with cursor. Have tried shift or control with  f8 and f12 to get out of this with no success. Understand I may have to reinstall video driver or BIOS?
 
If I leave laptop on all day it is working by the time I get home from work.

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Acer Aspire 5520 :: After Getting Blue Screen Windows Key Deactivated?

Feb 23, 2015

I was playing a game and alt tabbed then i got a blue screen and my computer restarted. After it restarted a  blue screen popped up saying activate windows now. What should i do and how do i fix this , because of this my office stopped working as well.

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Acer Aspire V5-431 :: Can't Install Windows 8 - Blue Screen Of Death

Aug 13, 2013

I've Acer Aspire V5-431 with Intel Celeron 1007U @1.5Ghz with 4GB of RAM, but whenever I tried to install Windows 8, it's always came with Blue Screen of Dead and it's shows this error IRQL_NOT_LESS_OR_EQUAL.

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Acer Aspire E1 570 :: Windows 8.1 - 15 Seconds Into Startup Screen Goes Blank

Dec 2, 2014

Startup seems to be going as spec., Acer logo appears, circular arrow goes round then screen goes opaque but obviously still lit. Curser still responds but that's the end of the action. 

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Acer Aspire E1 :: Windows 7 - Not Start After Welcome Page Screen Stays Black

Feb 6, 2015

i have a 2 day old laptop Aspire E1 with windows 7 wont start after welcome page screen stays black until i push  ctrl  alt del and then the task manager will start and i kill two procsess that say RUN ONCE  then windows GO HEAD and start up and run fine .what is wrong  .

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