PC Powered Off And Wont Power On?
Sep 18, 2011
Was browsing a website when my pc just powered off,tried to turn it on but the blue light flicks for a sec and it wont turn on,i have a usb ext hdd plugged in and the light on it is green,so think this rules the motherboard out,also take 1 stick of ram at a time out and tried to power up,still no power,took sound card out,still no power,im thinking psu,but why would the usb lightup the ext hdd,anybody any ideas before i take it too the pc shop in the morning,they fitted a motherboard for me 3 months ago,so if its the motherboard it should still be under warranty~?
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Oct 23, 2011
im making myself a sort of NAS box, but without the NAS for now lolI will be mounting 4 3.5" HDD's in a hot swap box im making, and converting them to usb. For backing up purposes, without RAID.Instead of having 4 usb cables coming out, i though about building a powered usb hub inside, and having just the one cable come out.
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May 28, 2011
When I have finished with my computer I always power down completely(switch off at the socket).With this procedure I have no problem booting,but if I shut down the computer leaving the power still on,it will not reboot until I switch off at the socket. All I get is a whirring sound from the hardrive.
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May 20, 2009
im not sure what this means, but im shocked to learn that windows 7 just restarted my computer or crashed and i dont know why. can anyone help me? im using build 7077. and heres the stuff from event viewer relating to the restart.
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Oct 20, 2012
I'm having problems getting sound to come throughf my powered speakers.I wiped the 32 bit XP OS and clean installed 64 bit Windows 7 Professional on my HP DC7800 cmt. I also installed an "HIS H675F1GD Radeon HD 6750 1GB 128-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card with Eyefinity" (long title!) and powered it with a FSP BOOSTER X5 450W front bay power supply. I connected an ASUS VH242H RT monitor to the video card via an HDMI cable, and although the sound comes through the lousy speakers on the monitor, it will not come through the green audio out port on the back of the computer, which I have connected to a couple of powered speakers.When I look in the control panel playback tab, the only device listed is the monitor, so I can't even select speakers to change them to default. I restarted the computer after plugging them in and I've looked all around and read of problems with Vpro (whatever that is) and sound. I eventually searched for audio drivers in the search function of the start menu and nothing came up. So, I looked online and there appear to be two different kinds of drivers: "Adi ac97 integrated digital audio driver for windows 7" and the Realtek HD audio driver. I don't know which one of these I should try, and I am further wondering of two different "PC issue warnings" I am receiving are not part of the problem, namely "my version of Intel active Management Technology is not compatible with this version of Windows" and there are "no drivers found" for the PCI serial port and the "PCI Simple Communications Controller."
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Mar 18, 2012
I have a 2-yr old Alienware Aurora. This AM, following a Win 7 update & restart, I powered off the system before the update was complete (the Alienware splash screen covers up Win info on startup). Now, the machine will start, but goes no further. I cannot boot into Bios or any of the system files. The machine also does not recognize the original OS disk, so I can't even do a reinstall. No keyboard commands are functional at this point.
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Mar 9, 2011
I have a Sabrent 2.5" hard drive enclosure SBT-EKU25 that I am trying to use with USB on a Windows 7 laptop. The drive works but stops doing anything for several minutes at a time. There are no error messages, it just stops... no flashing or steady light. A minute or two later it picks up where it left off as though nothing has happened. It will then run fine again for several seconds and then it goes back to "sleep". I am trying to use the drive to backup files and it spends more time sleeping than doing anything else. The drive enclosure does not come with any drivers and is supposed to be plug and play. I have checked the USB drivers and Windows says they are up to date. I have installed a 60Gb hard drive from an old laptop in it.If i plug the the drive into the USB port on my Windows XP desktop it works fine.
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Aug 6, 2012
I am using Windows 7 64bit and M/B Gigabyte p67A D3-B3 (1155/ P67/ DD3). The problem happens randomly (I haven't managed to nail down a pattern when it happens or replicate it). Let's say it happens when running full-screen applications (games n stuff)Without warning everything that's connected through a USB stops working. Mouse and Keyboard are in usb 3 slots (and are compatible) and headset in usb2 port. The devices are powered still normally and the computer still functions (for example, game of LoL still continues normally, I can see what other players do or type etc etc, but the usb devices are unresponsive - though powered)
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Feb 20, 2012
i ask to during installation of windows7 not working or cant boot-up
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Jun 13, 2011
it's already about a year know since I've assembled my computer. My motherboard seems not to completely shutdown the power of the usb ports. The motherboard I use is a Asus P6T se, I've been searching trough the forum but nothing came out.. maybe I oversaw it but I'm not sure 'bout that.
So when I shutdown all usbdevice basically stay on or are still getting power.. I want it to turn off too. First reactions will give me go check the BIOS. I browsed it several times already.
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Jul 22, 2012
I am having an issue with setting up a POS system and specifically the touch screen.
I have tried to update the windows drivers, and the TekVision drivers to no avail.
here are the TekVision Drivers: [URL] Is there away to modify the Windows 2000/XP drivers for Win7?
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Mar 16, 2012
I have a 1TB external storage drive that uses its own power supply and connects to my laptop via USB 2.0 cable. For months I've had absolutely no problem out of the device, until the computer randomly decided to forget the device was plugged in. Now I'm lucky to get the device to be recognized by the computer at all, and when it is recognized, if I try to move anything to/from the device, the connection is immediately severed from the computer.I use this device for my backup as well as holding on to things I would rather not get rid of. All my drivers are up to date, I've done all the Power Management checking and unchecking that I've read from other threads found via Google search, and still it won't work correctly for me.
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Mar 17, 2011
Every time I power up my Laptop I get a window that says: GfxUI has stopped working.
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Mar 15, 2012
I have a Sony Vaio laptop, maybe 2-2.5 years old. I let it install the updates earlier this afternoon and it needed to restart to finalize everything. I did not have it plugged up but thought there was plenty of battery life so I let it restart and went to do a couple things around the house. I was only gone 10-15 minutes but when I got back it was dead.
So I plugged it up and tried to power it back up. The VAIO screen comes up and then it goes straight to a black screen with a little blinking dash mark in the top left corner. The dash moves down 2 or 3 lines and then just sits there and blinks. I cannot get the computer to do anything else.
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Jun 27, 2012
I've done a lot of searches using variations of the above title and came up empty or just plain missed the answer.I'd like to know, if it is not asking too much, the following points:
1. What exactly is the function of Link State Power Management in the Power Options Advanced Settings, PCI Express?
2. What are the implications of using the options available:
a) Off.
b) Maximum power savings.
c) Moderate power savings.
d) Which option is the best selection for my Dell laptop.
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Jun 9, 2011
I use my PC for audio production and I have a few external controller devices that are USB powered, for example a midi keyboard. I recently had to build PC due to a theft....long story short after building the new PC I've noticed that my USB buses have continual power to these external devices after I've powered down the PC. My old windows 7 PC did not do this. Is there a setting I can change to shut off power to the USB buses when I power off the PC? Or is this a hardware issue?
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Jun 16, 2012
i've tried to set the option for pressing the power button to 'Do Nothing' so no body can shut the computer, and yet it shuts down by pressing the button, so why is that and how can i work this out?
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May 2, 2012
Over the past 2 years my PC has been afflicted with random power off/power on/reboot events.It will go for months without these and then have multiples of the events in a day. (I had 8 of them 3 days ago.)I assume I have a hardware problem, but nothing has been found and I'm grasping at straws.The time between power off and power on is several seconds.I had assumed this rules out a software cause, but maybe I'm wrong. I know Windows can schedule a power off, but can it tell BIOS (or something) to power back on in a few seconds?I know blaming the power supply is a much more simple explanation, but then I'm left with explaining the intermittent nature of the failure.
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Dec 23, 2010
From many days the battery icon is missing from the taskbar, the notification icon is greyed out even if the laptop is not on AC. i followed the the tutorial System Icons - Enable or Disable but nothing happened.
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Mar 17, 2012
My computer wouldn't shut down, even with holding in the power button, and so I just let it run out the battery. Then it wont turn on. I tried holding down the power button to clear out any charge that might be remaining. I have managed to get it back on, but I have to make a connection at the clip where you plug the power button ribbon into the mobo. Also, this is the second time I have had to do this. The computer works fine afterwards...or seems to anyway.
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Oct 23, 2012
Suddenly pc doesnt boot up we change with new psu and from that time pc power up by the time we connect the psu with power ,
i remove all cables i left connection psu with motherboard but still the pc power up by him self , i remove the cpu and then didnt power up ..
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Jan 27, 2013
My daughter has a Hp laptop and it was working fine, but the screen was coming apart. so my husband put it back together, Now it will not come on. It's getting some power but not coming on at the power button. The lights flashes when you push the button then nothing.
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Aug 23, 2009
How to Create a Shortcut to Change Power Plans in Windows 7 ?
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Oct 22, 2011
lately when pc went to sleep it would not wake up unless i turned the power off and then turned it back on again, then the other night i turned it off and now it will not start at all, at first the light lit for a few seconds then went out, but now there is nothing at all, just no power.The pc is a Medion desktop MT7 447G, about three years old.
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Dec 30, 2011
i got real problems this time,my laptop acer 7736z,its using too much cpu allmost 100% all the time,and the issue has started after i installed Itunes,i was trying to transfer music to a freind. BUT it will not syncronize itunes with the ipod,or it will,but there it stops,and my pc is not responding at all,i should mention that my OS is window 7 home premium 64bit and my anti-virus is mcafee total protection 2012.
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Dec 2, 2011
I've been having this trouble on my laptop where the power setting just changes at will. I usually put it at power saving when i use it to write but it just takes 10-20 seconds before it by itself changes to High performance.
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Mar 6, 2011
I have updated my bios from f5 to f8k (latest version downloaded from gigabyte)the reason i have done this is because i want to upgrade my cpu to a phenom 2 955\965 and the latest version allows am3 cpusi have downloaded the latest version,upgraded the first time with @bios from windows (i know that was not wise but i didnt knew at that time)-restart--Computer didnt boot.Cleared cmos,entered bios -qflash- installed the old bios,everything back to normal.After that i tried upgrading to newest version with qflash.Upgrading went fine,restarted,loading factory settings in bios,rerstart,loading os,cpu-z showing the new verrsion of bios - f8k.the big PROBLEM is that every time i unplug the power cord from the psu,or just hit the on\off button on the back of the psu,the computer wont boot anymore.Fans come on,hard drive comes on and the cdrom is making a sound as the system would restart over and over again.IF i clear the cmos with the jumper,computer boots,everything is fine, but after power is cut it wont boot again until i reset cmos.I flashed bios again to the old version(f5) and the problem dissapeares.After that i tried flashing again,I tried every version but they all have the same problem.i teared the computer apart,checked everything inside,left only 1 stick of ram,video card and cpu cooler,still experiencing the same problem.what is the problem? i even wrote to gigabyte,they told me to:1) Turn off power.2) Remove the power cord from the PSU.3) Take out the battery gently and put it aside for about 5 minutes or longer. (Or you can use a metal object to connect the two pins in the battery holder to make them short-circuited.)4) Re-insert the battery to the battery holder.5) Connect power cord to PSU again and turn on power.6) Power on your system.7) If BIOS can POST, please enter the BIOS and load the fail-safe defaults setting.8) Save changes and reboot the system.I followed these steps exactly as they are written,no joy.I even brought the pc to an "expert" he couldnt help either,he told me i have bad luck.Thats a really bad joke!I really want to upgrade the proc and i dont want to buy a new mobo,i like this very much here are my system specs:phenom 9650 with zalman 9700 ntgigabyte 750a sli mobogigabyte gts 450 (planning to add a second one)2x 2gb kingmax 1066seagate barracuda 7200.12 - 1 tbarctic cooling fusion 550r - 500w,550 peakaerocool modern-v fan controller,3 fanswindows 7 ultimate 64 and windows xp 64 edition (i'm using it just for the horizontal span when i game,i have two 24" monitors)mobo and bios url...
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Oct 29, 2009
i installed latest version of power dvd 9 on my win 7 pc and all works fine except dvds when try to play any dvd all i see is a bad green pic i tried different setting but nothing i have the latest vga drivers ( nvidia 186.81)
i have geforce 8400M GS wich is supported by power dvd whats wrong
however this not happen when play other multimedia files like divx.
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Nov 12, 2009
Okay i know that a lot of New versions are out, including power dvd 9, but i really really like my old power dvd 6.0
it worked perfectly well till i installed windows7, it still works, bt the picture quality has really reduced. i get better picture quality in windows media player. is there a way to make this work well>?
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Feb 21, 2012
im back with some more and probably annoying questions, I would like to use something like the link bellow but the description states that (When using in conjunction with a fan controller / motherboard header, be sure your controller can handle the total power of the combined fans) so that got me a bit confused, I understand that I add up the watt on the fans, but how do I know how much my PSU and the cable can handle? I am planing on using a molex to 3 pin connector that comes with noctua fans, could I use 2 of those on the same cable to then add the splitter to, or do I want to use 2 cables and use 1 molex to 3 pin on each cable? I am using a Corsair HX650 PSU and I tried looking at their site under specifications but that info made no sense to me
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Dec 4, 2012
iam just using my laptop the power just went off itried to power it it refuse what is the solution.
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