Screen Flashes When On Battery Power?
Nov 11, 2012
I just completed a fresh install of Windows 7 on my Dell XPS 17. For some reason, when the computer is on battery power and is idle, the screen will flicker. Basically if I am on battery power, the moment I stop typing or using the mouse, the screen will flicker after about a second. Then as soon as I resume using the computer, it will flicker again. It will also flash at random other times... Only when on battery power (so far).As I mentioned, I just completed a fresh install of windows 7 after reformatting my drive because of virus issues. I did have some issues with getting drivers installed and still have have that are missing (see attached photo). I have not been able to get these drivers to install. One thought I had is that the screen issue may be a result of improperly installed graphics drivers? Just a thought. System Info:
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Aug 2, 2010
I just purchased A New ASUS notebook and every time I switch to battery power my laptop (Background) changes..how to stop this?
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Feb 13, 2012
When trying to install my Windows 7 Service Pack1 updates I keep getting this message "Your Computer is Running on Battery Power". I get the message even when the computer is plugged in. What could be causing this?
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Oct 1, 2011
my internet slows when i unplug my power chord? and regains speed as soon as i plug the chord again. it happens in all the browsers.
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Feb 6, 2010
In XP, we had the option of executing a script when the computer switched from AC to battery power, and also when the battery reached a critical level. This was extremely useful because I had a special script run to send an email that the power had gone out and then hibernate the computer when it reached a critical level.
In the Windows 7 power options screens, I see no such options. Were they removed?
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May 10, 2011
so i am not intirerly sure this is the correct place to post it.Secondly, i think this is a problem that i have created myself and now i am unable to correct it.The jist of it is this. Whenever i try to active the webcam (Function + F10) a pop-up shows saying that hardware connected to a USB port is not recognized. This must be cause by the cam (which us buillt-in) is connected to the USB port on the motherboard.When i go to device manager, i can see that there is a unknown device connected, whenever the webcam is powered on.Btw it worked fine when i did the initial installation of the computer.What i have tried to do to resolve this is the following:
- Remove all drivers asociated with the webcam - reboot - reinstall from provided CD
- Power down, take out batteri (even for en entire night) to let the motherboard reload the USB drivers.
- Removed all the USB drivers and have tried reinstallling
I deleted som folders from my D: drive, (which is not the partition that has my windows directory installed) and there i might have deleted som crutial files for the webcam software to work.I have no idea on how to go on from here. This is a computer i have spend quite a long time getting up-2-date with all the programs i use for school and the exams are coming up. I would really like not having to do a clean install right now.
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Nov 17, 2012
I have just been given a Fujitsu Lifebook S6540 running windows 7 and on the whole it is fine but it is eating the battery when switched off. Research on the internet has shown that the computer, although seeming to shut down may still be running in the background. I have therefore been into the registry and changed the powerdown after shutdown code to 1 rather than 0 which should ensure a complete shut down. I duly did this and let the computer charge up before shutting down and then left it for a day.It did not make a shred of difference and found half the battery had been use
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Nov 2, 2009
I have done a clean install of Windows 7 Homepremium and my battery life on my Vaio TX3 has gone from 6.5 Hours to only 3 hours. I cant find the power management drivers. Also I can no longer use the keyboard hot keys to adjust the screen brightness.
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Oct 27, 2009
Apologies if this has been covered, I have tried looking but can't find any previous mention, although having used this excellent forum for a few months this is my first posting, so sorry if I am not doing this correctly !
I have carried out a clean install of Win 7 Home Rremium (retail full version) on a new hard drive. The problem that I have noticed is that when you are in Computer Management, you can view everything OK apart from Disk Management when you view this it works OK but when you then try to view any other menu (Event Viewer, Device Manager etc.),
the text on the screen flashes like it was refreshing, however it continues to do so until you exit. If you then go back in again and select anything other than Disk Management it works OK until you select Disk Management (which works OK), but on selecting another menu, the screen starts flashing again.
This only happens when you go from Disk Management to something else.
I have reinstalled my old Vista hard drive and everything works OK, so I dont think that it is a hardware issue, but something with Windows 7.
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Oct 2, 2012
At Windows 7 startup, the Cmd screen flashes on for a second or two. Looks like there is nothing on the screen.
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Dec 2, 2012
My laptop screen flashes on and off for a second or so every so often, it has never done this before. What can I do to correct.
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Jul 2, 2012
My laptop wouldn't boot yesterday, the fan came on and the 'on' led came one, it beeped when I plugged in the charger but nothing on the screen and no post beeps etc. I let the battery drain fully, plugged it back in once it powered off and it booted fine. I shut it down last night and it did the same today on boot up, nothing. Again, discharging the battery fully brought it back.
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Nov 9, 2011
I bought this laptop nearly 2 years ago and it's been giving me tons of issues as of late, It flashes and will occasionally crash during games (ex: DOW2, Global Agenda, ME2) The flashing will also happen occasionally happen outside of games and is nearly guaranteed a BSOD within 15 minutes or less from World of Warcraft
Specs;
Windows 7 Premium x64 OEM (Reinstalled to factory Defaults 3 months ago, didn't help)
CPU- P8700 @ 2.53GHz
Mobo- Gateway Godzilla-N10
Video Card- GeForce GTX 260M
Ram- 4.00 GB Dual-Channel DDR3 @ 531MHz (7-7-7-20)
HDD- WD5000BEVT-22ZAT0 500GB 5400RPM 8MB cache
Laptop Model Gateway P-79
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Oct 8, 2012
When I'm playing certain video games, like Battlefield Play4Free, sometimes, my computer lag spikes and then my screen flashes black. Then the lag's gone. After that, in the tray notification area, I get a message saying, "Display driver Igfx stopped responding and successfully recovered".
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Jan 6, 2011
I have made a word game in notepad and saved it off as a batch file. Whenever I open this batch file it flashes onto the screen for a second and then goes away.
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Jun 3, 2012
sometimes randomly my screen flashes doing nothing special i teste dit and happnes just every couple of min and after it flashes it shows me a little yellow warning triangle at the bottom but when i wanna press it itr disappears, i think that every itme i dont use my mouse for a certain amount of time thi shappnes
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Mar 27, 2011
I have window seven Hp pavilion 64 bit, 4 ghz sp1, computer and I have never had so many problems. I have done at least 4 system restores. The screen flashes, I have adjusted monitor display size. Computer will not complete a backup. I hear my dvd drive making noises. The computer is slow. Could not install adobe reader until last night. My last index number was 3.3 to 2.6 and now it says 3.3. I don't know what my default browser is, firefox, and windows tell me they are not.
How do I find out if I have malware, virus and or browser is jacked? My prairie form cleaner shows me my computer is collecting large files or daily activity. Also, I want to know if my computer is recording, how can I tell? I want to make sure the back door is closed. I have scanned with Norton, Windows Defender, Avast and AVG over the time and I have had at least 4 items to return. 3 items were removed 1 quarantined and I have done restores since then.
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Aug 8, 2011
I have an HP desktop with an Asus MB #M2N68-AM SE2.Sometimes it boots normally but lately it may be as long as 10 to 15 minutes to get past the Windows l7 flashing logo.
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Dec 12, 2011
My computer is running on a Windows 7 Home Premium OS, it's about two years old, Lenovo brand. I won the computer a while back, and do not have a Windows 7 Op.disk. The problem is, a while back I got this virus called Wolfram Antivirus software, and tried to do everything I could to remove it. It was a pain. The thing is, I think I might have accidentally deleted something in RegEdit, and now my computer (on the ultra rare occasion that it gets to and past the login screen) will tell me that it has encountered a critical error, and will restart in 1 minute.When it does reboot, what will happen, is it will get to the picture of the swirling Windows symbol, but then reboot before making it to login screen. Then it will ask me to do a system repair or start up normally, because it shut down unusually
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Sep 9, 2012
after reformatting my windows 7, my sony laptop came up with a weird screen problem. I have updated/re-installed graphic cards etc and even reformatted and same problem. Before the reformatting it didn't use to happen.Basically this happens:Right after "Starting Windows" boot screen and animation finishes, It flashes a bunch of small colored dotted distortions at the top of the screen. It only flashes this once right before the Log in Screen. No other problems occur after that.Tried "No GUI Boot" still didnt fix it.I assume the backlight/inverter is failing?
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Jan 23, 2012
My dell computer screen flashes black for a half a second or a second at random intervals (anywhere from once a minute to every couple of seconds), but the system has not frozen, as I can continue to type, music keeps playing, etc. I found a site which suggests that it is my AC socket or adapter, but the same problem exists on battery power.
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Mar 23, 2011
My battery icon has disappeared from the bottom right hand side of my toolbar. I am using windows 7. I went into tray icons and the power notification is greyed out. How to get this icon back?
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Jul 27, 2011
Anyways, in laptops (gaming or not), does setting the power plan to High Performance actually improve gaming (frame rates, speed and anything else) in battery mode? I'm using a laptop (not dedicated gaming, but suffices) and my games (the recent ones) slow down whenever I'm in battery mode. A couple of friends told me I should set it High Performance, which I doubted since they don't seem to be the type to change the power plan settings and more so with the advanced plan settings.
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Mar 7, 2012
I have a HP Pavilion dm1 laptop. When I switch to battery I lose colors. Light greys turn to white etc. I think this is a power saving measure but it is really annoying. This does not occur when I am using my power adapter.
Does anyone know what this is and where I can disable it?
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Nov 28, 2009
I don't get it. i upgraded from vista to 7 when it came out. a few problems i have that i need explained by someone who knows more than me are:
1. How come when i raise or lower my volume it doesn't show on the screen that my volume is being raised or lowered.
2. How come when i use caps lock it does not show on my screen that its on all caps or not. (i need this because on passwords i have no way of knowing.)
3. How come when i press my battery button it does not display how much battery i have left.
it seems like none of my F1 - F12 keys work. why is this and how do i fix it so it shows up on the screen like it did in vista.
another problem i have is when i type fast, my keyboard spazzes out and it types random stuff, it freezes, and it opens files/folders all at the same time.
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Aug 4, 2011
Replaced my VGA cable with and HDMI cable because screen wouldn't leave power save mode due to lack of communication between tower and screen. HDMI solves that. Now I have no internet connection. No signs of life. Cable guy comes over plugs his laptop into the..box thing where the internet comes from... says the internet is working fine must be your computer and he leaves. So now that my screen is working I can trouble shoot - can't find a network adapter. I have no idea what that means, and it is not listed anywhere on my control panel list of drivers and things. Tried to reinstall whatever that is.. which is hard when your just guessing and clicking things. Bottom line is after using the drivers and devices disc and reinstalling everything that said "network" in the title there is still no signs of life. I don't have wireless so the whole adapter thing isn't making sense either.
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Aug 30, 2012
I have an ASUS K50IE laptop that i had for 2 years now. been working fine until 2 days ago.this problem has been bugging me for the last 2 days. here's why.my laptop suddenly didn't detect my battery. thought it was because my battery was dead. I searched the net on things to do before "throwing in the towel" on my battery and today i came across a blog where the instruction was to uninstall the Microsoft ACPI compliant control method battery driver. I did just that and my battery suddenly worked! well sort of. now here's where it gets all weird.every time i open my laptop i do the following:1. plug in AC to laptop.. turn on laptop.3. unplug AC.3. laptop runs on battery.4. log on to windows.5. battery icon shows up as an empty charging icon then shows the "Battery is not detected" icon again.please take note that my laptop is still ON and WORKING. so this means (MAYBE?) that my battery is working.
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May 15, 2012
How to save files when laptop acer 5552 battery get low and screen's light went off
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Mar 7, 2012
I have to replace the battery on a toshiba L355-S7915 laptop. Which battery is better? The Toshiba battery or the B-5040H from battery-biz.
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Mar 22, 2012
I have had this labtop since december and this morning the power button and caps lock button comes on but screen is black... the caps lock button is flashing!! Wifi button is also on just nothing is coming up on screen at all!! I do not understand!! I have unplugged it and powered off and on several times
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Nov 18, 2009
I want to know if i can remove the power button from the bottom of the welcome/locked screen as my lovely 2 year old keeps turning my PC off it its lock or on the welcome screen, I have a lockable door on my PC case so he can't get at that power button so this is the only thing we can think is its the power button on the welcome screen.
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