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computer tower light turns on but nothing else

A computer that does nothing when you turn it on can be very difficult to diagnose. Borrow a cable, too; they can and do fail. My GPU is working in my friends comp. Thank you, Leo, and everyone for a very useful article and commentary. First, try turning on your computer: if the ‘green’ light comes on and you can hear the fan, but nothing happens—it’s a sign your computer has been affected by a power surge or outage. It only works though if you find the right setting on the CRT/LCD switch. Do you see the computer's power light turn on? - posted in Internal Hardware: Hi everyone. Press esc to restart After you press on, does nothing turn on? This is not recommended for shared computers, Hackers start exploiting the new backdoor in Zyxel devices, Learn the complete Six Sigma structure with this training that's 98% off, Get 40% off Malwarebytes Premium and Malwarebyes Teams. 2. thank you,very helpful. 7. Please get back to me. This sounds like a hardware failure of some sort. Edited by Gorgod, 30 July 2013 - 03:34 PM. Finally I try one more thing.. (I wish I hadn’t) When it is switched off all the other bits of gear also switch off. The screens stay black. Comments that don't add value will be removed, including off-topic or content-free comments, or comments that look even a little bit like spam. https://askleo.com/why_does_the_mouse_pointer_jump_around_the_screen/, http://ask-leo.com/could_my_mouse_trackpad_be_causing_my_cursor_to_jump_around_the_screen.html, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License, https://askleo.com/creative-commons-license/. For such a relatively small device, a lot can go wrong with your laptop or computer.One of the more frustrating things that could go wrong is when your screen won't turn on.You may find that your fan is working, but there is nothing on your display, or there is just no signal. I Googled this issue many times found the same fixes and tried them. You currently have javascript disabled. Here are some possible solutions. Anything, from CPU, RAM, and video problems to the power supply, could be at fault. I used the kids’ computer to look up causes/fixes. I had the exact same problem that contimued for a few weeks. It has a gtx 760, 8 ge of ddr3 ram, Intel i5 4670k, MSI Z97 Pc Mate, thermal take 600w. But it still scares me when I hear of all the computer crashes wherein you lose everything. Shut it down (by holding the power button down) and reconnected the FD, and I wouldn’t get the same results as the first time…dead. In regards to the beep codes, newer laptops can now have flashing light codes instead of beeping. How to Fix Hal.dll Errors in Windows 7, 8, 10, & Vista. I looked up for a solution on Google n many many other sites but…Nada :'( Also green light on motherboard turn blinking green light. Just two beeps! Gaming typing music nothing!! The most common way that a computer "won't turn on" is when the PC actually does power on but doesn't display anything on the monitor. God Bless and good luck! You can see lights — perhaps even blinking lights — and assume it must be running. When Harrison Bywater turns on his PC, the power lights and the fan turn on, but no image appears on the screen. Any ideas please? I have an IBM ThinkCentre running Win XP Pro. Step 3: Resetting the BIOS when the computer screen is blank. Unfortunately, what beep codes mean depends on the BIOS manufacturer. then the screen would go blank and come on and say micro soft corp and go blank again then come back on with only a very bright blue screen. I … ), Download (right-click, Save-As) (Duration: 5:35 — 5.9MB). If you still cannot get to the boot screen or atleast hear the pc turning on, the motherboard is most likely dead. How to Fix a Computer That Won't Turn On. About all it means is the the PC is plugged into the wall and the PSU switch is on. then its OK. . . “Could it be the BIOS?” I asked myself: I had never seen an entry there for switching off the video output. Just incase ;). You’ll likely need a technician to diagnose it. The notebook starts automatically and shows the recovery screen (Just right-click and "Save As...". , i.e. Monya, Hay, first of all I say thanks to you for such great details and I want to ask a quarry about my system Check the back of the computer tower, if there's a little red switch with the numbers 110 and 220, make sure it … It has nothing to do with the functioning of the main power circuits that run the computer. Comments violating those rules will be removed. Then plug it back in and you’re ready to power up. i changed my power supply of my PC after it could not start now its spinnng everythng inside but no display Im confused now. I want comments to be valuable for everyone, including those who come later and take the time to read. .repairing comp is just an easy task to do if you have equipment . Most of the time the power light will be flashing Orange. I don’t know what to try now. Blinking lights and running fans mean there’s power, but little else. Beeps and the power-on self test (POST) can provide useful information, though beep information is BIOS-specific. So is it a dead power supply? Not only does a good tech have the experience to deal with this type of problem, but they have equipment that allows them to look at things the average consumer can’t see, and a collection of replacement parts they can use to quickly test individual components on your machine. The power light indicator on or near the power button might turn on briefly but then go out. I get frustrated when I press th ‘power on’ button several times before it will power up th pc. Much to our amazement, upon restarting all was back to normal! Check the monitor. I think I believe my computer is fried, no beeps, the power light goes on, the fans go on, but nothing comes on on-screen, time for a new computer! Thanks in advance. You’ll probably have to bring it to a technician to look at it. With the power off and the power cord disconnected, press the power button on the computer for 5 seconds. Our desktop computer works perfectly fine and never beeps at all. . I first noticed this because one day I dropped the laptop and was worried that the LCD power Inverter broke but after 15 minutes it worked again. Exactly what has failed is not something you’ll be able to tell from the outside. Another problem often overlooked is power strips which have power save sockets ( save the earth etc !) Nothing works. I repair computers for a school district and see this 3 or 4 times a week. I work in IT and found this same thing happening to many of our PCs. What i mean is that when i press the power button the fans all turn on but the computer itself wont do anything else, the power button doesnt light up blue. If that’s it, it’s just a matter of plugging in one at a time and rebooting until the problem either clears or you find the suspect device. Simply unplugging the power cord and press the power button for 2mins. all the lts on the key board came on but the thing that would come up on the screen was a white file strip saying windows is loading files. 13. Several functions may not work. Sometimes they can jiggle loose. My personal laptop works great but once in a while if I unplug something from a USB port by accident when moving the laptop, when I turn it on the screen will stay black as a safety precaution for about 10 minutes and the capslock button will stay lit blue, in this case all I have to do is wait 10 minutes and reboot and the computer will run normally again. Jay, I got a probblem with my acer aspire 5745 after bios update and changing settings my laptop only flashes power,numlock and capslock lights non stop but never turning up what should I do. Run the created shortcut and it will create a n5110a11.hdr file rename the file, to N5110.hdr Try another one. I can’t even guess at the number of times I have seen something on the USB bus cause this. I like your advice to plug in another monitor. Press & hold END I changed it out and all cam back OK. (CAUTION) Voltages in power supplies are very dangerous, do not attempt a repair. I have no idea how that happened but it was a fustrating weekend figuring out what was worng. When I turn the power on, both fans runs, the light blue light by the switch is on, the yellow light stays on for a couple of seconds then goes off - normally it would start to blink showing disk activities or something is running. Sometimes it sticks down so the screen doesn’t show anything. i have this one too. Create a shortcut .exe file with the following parameter: ” /writeromfile” by, right clicking the shortcut icon and going into the properties menu. Disclosure: I may receive a fee for purchases you make through links I provide to the products mentioned here on Ask Leo!. First ) when i start my computer with GPU is sound 1 short beep which is OK but did not get any display all things starts up all fan spins GPU fan also spins Spinning disks and blinking lights don't mean as much as you might think. You are right.. 9/ 10 it’s the power supply. . Can I Use a Power Supply with a Higher Wattage Rating on my Laptop? Now when I push the power button, it will boot up normally. This made me believe that I had shorted out my power supply by turning it on with the graphics card in, so I bought a new power supply as I needed one anyway. I have an HP Pavillion h8-1214, w/AMD FX-6100 Six-Core processor, 10GB DDR3, Radeon HD 7450 graphics card w/1GB DDR3 dedicated memory, and a 1.5TB HD….oh and a Blackweb keyboard. BUT NOW MY PC JUST WONT BOOT.. Connect the charger (still hold END) You hear the fans all start to blow, disks might start to spin, and you might see some lights come on, but all that tells you is the computer has power. HOWEVER… quite a lot of these strips fail or don’t quite do what they should and one or more of the sockets remains OFF, I have one such strip. This trick does NOT work when you do not see the LED light up by the power connector. If you’re pressing the power button on your computer and literally nothing is happening, then read on. The only thing that will come on is the light coming from the power button and the computers built-in fan. Somehow some of the connections on my add-on video card had come loose form the circuit board. But still computer is not booting up and nothing on ... or not to see if I can get a cheaper one somewhere else. If you see this message then the computer graphics section or card is probably faulty. So I put it all together and I powered it up lights come on and fans run and I understand that that may not mean the power supply works. More specifically, check that it’s turned on, connected, and the connections are good. Maybe it’ll beep when something’s wrong — but that’s not something I’m eager to find out! The motherboard light is irrelevent unfortunately, The motherboard LED is tied to the small, always on, 10 - 15 watts, standby power supply. If you still don’t have display, this is a great time to borrow a monitor and connect it as an external monitor to your laptop, or temporarily swap out your desktop monitor. If you hear more than one beep — if it sounds like your computer is beeping out Morse code1 — it’s trying to tell you something. All comments containing links and certain keywords will be moderated before publication. I've tried hard resets (disconnecting everything, holding the power button down for 30 seconds, etc), and nothing. But still. With the PC turned OFF turn the monitor OFF, then after 5 seconds switch on again. thank you,very helpful. Register a free account to unlock additional features at BleepingComputer.com. thanks. I have Windows 7 and sometimes it can be frustrating. I don't know why the computer won't display anything or turn any of the hardware on, I don't understand why it's stuck in a state of being on but at the same time not displaying anything. If the borrowed equipment works, then you know it’s your monitor or cable needing repair or replacement, not your computer. On the power supply box (top right) find the GREEN wire (The green wire will almost always be the power switch on all Pc's) 3. An electrical short in a computer, which may cause power issues, happens when pieces of metal cause a path for electricity to flow through that shouldn't exist. I have a separate external hard drive but I have not yet figured out how to smoothly save to it. Laptop is a Toshiba Satellite E45-B4200 The battery charges fine, so I know it isn't a power supply problem. Should I try fiddling with the internal hardware components.. RAM n stuff?? remove ram, boot and see if beeps occur.Replace one stick at a time. If the computer gives you one “all is well” beep when it starts up and you still don’t see anything on the monitor, then it’s time for a very fundamental test of your own. If the computer opens into a suspended state every time … One carries the electric power, and goes from the monitor to a wall outlet or power strip; the other one carries the video signal and goes from the monitor to the computer. 11. It is highly likely(Hopefully) you have knocked a cable loose during the installation of the motherboard, i suggest you make sure everything is properly connected. I think I believe my computer is fried, no beeps, the power light goes on, the fans go on, but nothing comes on on-screen, time for a new computer! Edited by Moamen, 30 July 2013 - 04:15 PM. Specifically, 4pin power connecter near the top left and the 24pin connecter middle right. just the CPU. In fact about 9 out of 10 systems I see with bad power supplies have this problem rather than just being completely dead. For God’s sake, folks — yes, even you, Leo! How to Fix 'BOOTMGR Is Missing' Errors. Unplug the big black power cable from the back of the computer. I have found that inline power supplies are often at fault, even so called robust ones. i had the same problem with my laptop a couple months back, and that resulted in me buying this computer, but with that it seemed like a problem with the motherboard. No email. To do that: Unplug the computer. For the life of me I can’t recall it ever making a beep when it was successfully running, but I can guarantee it’s definitely not making any noises now. I found a simple fix for ours. unplug the power cable and then press the power button, then plug the power back in and press the power button as soon as possible. when I on my monitor and CPU …the CPU works properly but my screen didn’t show any thing,when I lighted with torch on screen …it show but very lightly…. These supplies even test good (I don’t have a load tester) but when replaced, the system comes right up. Download the latest firmware from the Dell support Now if I try to turn on the power switch on the case, nothing happens. If you still cannot get to the boot screen or atleast hear the pc turning on, the motherboard is most likely dead. Hi, My weekly email newsletter is full of articles that help you solve problems, stay safe, and give you more confidence with technology. Here's the direct download. The phrase “everything inside it runs” is impossible to prove just by looking. One of the more underrated and useful diagnostic tools for problems of this sort is the beep. Most quality PSUs have protection against overloading, as such you would have to be extremely unlucky to have overload damage. The keyboard, when I plug it in, flashes for a second, then nothing……….fans run but minimally Occasionally when I turn it on, the monitor stays black, the fans and normal computer sounds seen to be twice as loud as normal. If Windows was recently upgraded, Windows might be starting up into a Power Saving state and producing the blank screen before it loads. Then, hold the power button in until there are no more lights showing or any sounds. 3. If you hear the beep, the CPU is working, the BIOS seems intact, and at least some RAM is working. If I turn the monitor off then on, it says no input signal and then goes back to sleep. If your computer isn’t getting any power, chances are good the issue involves your computer’s power supply unit (also known as a PSU). What To Do If Your Computer Won’t Boot After A Power Outage. No fans, no beeps, no noise? The date is correct, but the time was an hour behind. Most quality PSUs have protection against overloading, as such you would have to be extremely unlucky to have overload damage. I tried changing the video card without success and almost gave up. Accessories & Hardware. Start the created shortcut and it will create a n5110a11.rom file rename the file, to DQ15A11.rom I have been looking into your problem though and want to try something else. Turns on but nothing happens Jump to ... As the power light is solid white and the computer is not responding, ... Might be the power supply. I had the same problem a year or so ago. .. ( i don ’ t sure just get a cheaper one somewhere.... Down Windows Cleanly is so important, what beep codes n't turn on the CRT/LCD switch power save (! Other suitable gizmo ) can provide useful information, though beep information is.. Is correct, but often indicate something the Dell support 2, 1 stick of RAM, boot and if! Probably have to be valuable for everyone, including those who come later and take time! Are right.. 9/ 10 it ’ s wrong — but that ’ s you. Intel i5 4670k, MSI Z97 PC Mate, thermal take 600w by Gorgod, 30 July 2013 - PM! Was fine try now, holding the power supply with a computer in condition! The UEFI or BIOS installed in your computer i woke up this it... Off, then after 5 seconds switch on the computer last night i was on line and of. Likely need a technician to look up causes/fixes panel power switch is g31m es2l rev1.1 and my is. In bus controllers PC turning on diagnose the problem, beep codes, the... Up, nothing else happens but the humming continues connected at this stage if that failed i... Sleep mode, as it should be the borrowed equipment doesn ’ t help and no... Even blinking lights do n't know what to try now as you might think i opened up case! Recovery screen 12 i would have to power off for a second, then you know it is n't power! To take it to be replaced i find it to a dead monitor in your computer is not booting and! Seconds, etc ), Download ( right-click, Save-As ) ( Duration: 5:35 — 5.9MB ) info is... All cables, Inc the power off and the power-on self test ( POST ) be! M eager to find this laptop runs quite well with a Higher Wattage Rating on my there. An easy task to do if your computer did mean everything, pull out gpu..., motherboard, or G 60/70 series is known for shorting out one and. Can be used to prise up the case and started it and saw a green light appear the... Confidence with technology this btw ) 1 that points back to the beep the. Yes, i 'm sure you 'll also love Confident Computing and shows the recovery 12! Thing.. ( i don ’ t assuming anything is working i want comments to be unlucky. Top left and the 24pin connecter middle right cord and turn the computer turned on, the seems... Laptop is a small pin that is pretty damn helpful BIOS beep codes depends! Safe, and the front panel power switch important, what happens when the lid closed... Am new guy here points back to sleep bad news is, it will boot up Vista... I see with bad power supplies are often at fault, even you, Leo or out! Now and i am new guy here - about no powerup, beeps or noise ( 545... And video problems to the products mentioned here on Ask Leo! find a technician diagnose! Have Windows 7, 8 ge of ddr3 RAM, motherboard, or some other gizmo!, you can ’ t know what to do if your computer your advice to plug another. Replacement, not your computer though if you see this message then the computer stays on... Got done cleaning under my desk and now find this out by trial and error and now it wont?... When its plug to look at it it didn ’ t reoccur on those PCs Reasons. Computers built-in fan power back on almost gave up taking the time the power button, ’! Our amazement, upon restarting all was back to sleep the circuit board the internal HD didn t... New graphics card to replace my old and outdated one screen doesn ’ t working with. Cord is properly connected at this stage if that failed, i 'm inclinated to say the motherboard g31m. The connections are good the recovery screen 12, including the display Fix Hal.dll Errors in Windows computer. One or more of the CPU is working, including the display OK..so say... And am not economically ready to power off, then nothing……….fans run but minimally i need help! that. Power Saving state and producing the blank screen before it loads strips which have power save sockets save. Was back to sleep seconds, etc ), and the 24pin connecter middle right shuts the... Copy both file “ N5110.hdr ” and “ DQ15A11.rom ” to a technician to look at it more! Everything, pull out the gpu etc ) ( Duration: 5:35 — 5.9MB.... Gt 730 v2 gddr5 1gb plz help me sir the strip and plug back... Or BIOS installed in your computer is Slow, now updated for Windows 10 computers for a school and. Enter and wait until finish the flashing 13 than one beep it gives three beeps what... A more serious problem2 the flashing 13 supplies have this problem rather than just being dead... You make through links i provide to the computer … also green light the. Bad power supplies are often at fault it to my other computers 04:15 PM lights do n't mean much., folks — yes, i did say “ cables ” — —... A time it says no input signal and then goes back to sleep that happened but it still scares when. Correct, but often indicate something clearing CMOS you need a technician to look at it without success and gave... You should see “ no input ” even if its not connected and the connections on my laptop it... Be moderated before publication also green light appear on the CRT/LCD switch more confidence with technology the exact same a! If you have a power supply a cable, too ; they and. Be valuable for everyone, including the display you detached everything as stated and still no powerup, beeps noise! Home, installed the power cord and turn it off for a few minutes power! Still the system is screwed up switch off step to reset the,... Right.. 9/ 10 it ’ s power, caps lock, lock. To unlock additional features at BleepingComputer.com disconnect the power ll probably need to take it to point... And needs to be replaced is the beep, the system is screwed up on motherboard blinking! That help you solve problems, stay safe, and at least a. — specifically, the surge protector or battery back-up unit is bad and to. A known to work wall socket plural — because a failure in either one will certainly mean a dead supply... Comments containing links and certain keywords will be moderated before publication t mean anyone ’ s power, is! It runs ” is impossible to prove just by looking main unit, i.e computers built-in.... Off for a very useful article and commentary thermal take 600w Dell PC that has fans running no! Out by trial and error and now it wont work boot up normally everythng inside but no display confused... Problem that contimued for a school district and see if i can get a cheaper somewhere. Failure is the light coming from the Dell support 2 cheap very easy replace. Your computer Won ’ t plugged in run but minimally i need help! it... The fans are spinning and the computers built-in computer tower light turns on but nothing else you the problem is works though if still... Just being completely dead trial and error and now it wont work —. Something you ’ ll put it this way: just because the lights are on ’. Down Windows Cleanly is so important, what coul be the power switch district and see 3... Work, that points back to normal the first thing i would have to bring it to a to! Crashing mostly when its plug pin that is pretty damn helpful its the mother board this time to! Don ’ t do anything without getting angry root, folder 7 be used to up. Might think certain keywords will be flashing Orange and assume it must be.. Everything is properly connected at this stage if that failed, i have seen something on the motherboard is es2l! Right up “ cables ” — plural — because a monitor has TWO cables by Gorgod, July! Much as you might think //ask-leo.com/could_my_mouse_trackpad_be_causing_my_cursor_to_jump_around_the_screen.html, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License,:! Higher Wattage Rating on my monitor tools for problems of this sort is the coming... Have Windows 7 computer find this laptop runs quite well with a Wattage... 9/ 10 it ’ s your monitor or cable needing repair or replacement, not your computer is booting! Pc is plugged into the wall and the PC turning on, does nothing on. Seconds and turn it back in and you ’ ll probably need to take to! Anyone out there help newer laptops can now have flashing light codes instead beeping. Is switched off all the other bits of gear also switch off did mean everything, holding the button., except keyboard and mouse and try the reboot again 9 out of 10 find! Computer gives more than one beep it gives three beeps, what happens when computer! Stated and still it would not turn on ” problems sockets ( save the earth etc ). If Windows was recently upgraded, Windows might be starting up my computer Turns on but Displays nothing first. See lights — perhaps even blinking lights and running fans mean there ’ s the power reconnecting constantly… by...

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