5,213 Topics
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| | hi guys Black screen appears when I try to use my laptop webcam. I’ve already: Uninstalled and reinstalled the webcam driver[.](null) Checked privacy settings to ensure the webcam is enabled. Checked for hardware changes. Despite these efforts, the issue persists. I have an interview coming up and urgently need to …  |
| | Well, I have a Dell Inspiron 5558 and it has been a great laptop for me, after few years I got a crack in the lcd back cover and the hinges were not in good condition so I decided to change it myself, I watched some videos about replacing the …  |
| | i am doing a project which focus on the detection of the railway of the RGV system. the system can be seen as the situation that there is a car on the railway and it has IMU，i need the 3D acceleration sensors to collect z axis data to analyse wether …  |
 | OCR (Optical Character Recognition) is a technology that enables the conversion of images or scanned documents into machine-readable text. OCR software uses algorithms and machine learning models to recognize and extract text characters from an image, which can then be converted into an editable and searchable format. OCR technology has … |
| | Sunday morning I turn on my computer and I see it’s blinking on and off. Normally it blinks on and off to like boot up or something. I connect my dell laptop to my external monitor. I use a cable with hdmi and the display part on the other side. … |
| | One night I turned off my computer. The next day it wouldnt turn on. The power light comes on and blinks rapidly, now I cant get it to turn off or on. There is no boot up, no nothing. I real new to messing with computers so Ive been hesitant … |
| | I'm dealing with an Optiplex GX280 that was randomly freezing and then randomly shutting down. After a little bit it stopped turning on altogether and the only things that would happen were that I would get a yellow light and I could here the CPU fan speeding up to it's …  |
| | Hi, I have a Lenovo Legion 5 laptop that I got into the advanced bios of (way past my warranty btw) and have overclocked the memory so far to 3600MT/s and am looking to move the vsoc value from the 0.925-0.93V to 1V however my bios doesn’t show simple numbers, … |
| | I was playing some Vr when the game suddenly froze. I went over to my Pc and everything was frozen, I couldn't move the mouse, and the keyboard wasn't doing anything. I tried to turn it off from the power button and that wasn't doing anything. After around 5 minutes … |
| | Every time I turn on the power supply it makes a fast but pretty quiet clicking noise then the cpu cooler fan and power button blink rapidly and the cpu cooler fan turns on and off like it’s giving small surges of power Not sure what’s happening. It’s my first …  |
 | Hi all... I have a problem with the computer not booting from the hard drive, where as if I look at the BIOS setup the hard drive is recognized. I'm using a motherboard from Asus H110M-E M2 thanks for advance |
| | My computer's monitor is showing no signal and cpu's red light blinks a few seconds after me switching on cpu.i had used it a day before with no problem.os is windows 8.1. |
 | So you've lost access to your data through hardware failure or accidental erasure. What do you do? Like most cyber-warriors you naturally turn to the Internet, be that via a Google search or YouTube video, for help. That's a big mistake says [Kroll Ontrack](https://www.krollontrack.co.uk/blog/), a data recovery specialist, as self-inflicted …  |
 | When I pressed the on button, it started for a second and then stopped. It then repeated this process every 4 or 5 seconds without me touching the on button again. before the problem I was have Intel core 2 duo E5700 Motherbord : G41m sp20 ms-7592 I replaced the … |
| | These are the topics relevant to my field of study |
| | Hey guys, I have a Compaq presario C700 which is quite old. There was a power fluctuation at place due to which the laptop was shut down suddenly. It is not starting up now, nor is the fan working. When I switch it on, the led lights pop up, but …  |
| | Write a program which asks the user to open a bank account either Current or Savings. Your program will display the following menu at the start: Press 1 for Current Account Press 2 for Savings Account On the selection of account type, the user will open an account by providing … |
| | I have a Gateway P6822 that has been upgraded with an SSD running Win 10 64 bit. Recently it started hanging on the startup screen. This is the screen that apears after pressing the power button that says press F2 for bios setup and F10 for Boot options. Sometimes it … |
 | dell inspiron 2200 power led is on and the fan is spinning, internal hdd is on (i can feel its vibration and ticking on start) but there is no picture on display (even the dell logo is not showing). I can touch the gpu chip and is getting a little … |
| | Hi. Just bought a new pc,intel i7 2600 (integrated intel hd 2000),4x2 ram,1tb hdd. Worked normal for a couple of hours of gaming (ETS2,idk if its cpu heavy)then suddenly it turned off.Waited for a couple of minutes then it turned back on normally. Weird i thought but alright. After some … |
| | My Lenovo laptop isn't working so I dug out my old HP pavilion DV9000 to see if I could get this one up and running and the problem is this. After I power on the blue lights come on and the fan comes on but the screen remains black then … |
| | Hi I I have a Lenovo ideapad and numbers 5 and 6 don't work on either the top row or the right hand side and I need these numbers for my system password to start windows so an external keyboard is no good either. Pls help. |
 | Hi, So I have a system with the ryzen 2700x the motherboard is the Aorus b450 pro. in terms of power I have a Seasonic Focus GX-850 Now the problem. basically I render a lot on my PC so it is often on. Woke up this morning, my PC had … |
 | Hi, my pc has suddenly shuted down , and won't power on again.I tried some of the solutions but didn't worked...Please help me !!! (Sorry for the writing,im from anothe country) |
| | I bought a second hand custom PC back in 2016 for gaming. The guy said it was plug and play, but my husband spent hours trying to get it to work. Anyway, the past year or so it's been giving me some issues. Mainly rebooting itself without prompt or just … |
| | Toshiba P25-S520 satellite with green battery lights charged & power to the unit on , when power button to turn on unit is pushed, power on button blue light flashes, cooling fan starts, then the unit powers down with no read out on the screen. |
| | HP Pavilion DV2700 - Vista Windows OS the backspace does not work and only the g and the h and the ' key on the "a" row work. I have changed the keyboard - brand new - still the same keys do not work. Why? and is there a fix? … |
| | What would be a good choice for a graphics card for a HP DC7900 Windows 10 64bit because of the low power supply? Here is the specs..... https://h10057.www1.hp.com/ecomcat/hpcatalog/specs/provisioner/05/KP721AV.htm Any help you can provide would be greatly appreciated. |
 | I have a Samsung SCX-3405FW that when trying to print while the printer has gone to power save, it says offline. I checked the settings on the web interface but it still seems to do it. If I power off then back on the printer, I can print. I looked … |
| | I have a problem- and I don't know if this is the place to post for help, but I've found good info on here before. I haven't been able to find an answer after looking through several dozen forums and chats and help sites. Maybe someone here can give me … |
| | I have a Gateway MT3422 that will not power up properly - dead LCD screen, dvd spins, CPU cooling fan runs, indicator lights blink but no display or bios, etc. Tried external VGA display - same result. Took unit apart and redid CPU heat sink connection using artic silver grease, … |
| | Pls guys how do i fix my u8799 mother i wrongly placed the ram in it then it sparked now the gpu, keyboard and other components are working but it coming up and the cooling fan is working so please help me out |
 | Dell inspiron 3521 laptop Battery detecting but Not Charging . how to solve this problem.. |
| | Hey guys, As a new member in site i facing a problem in printer because printer is changing in windows 10. As i am seraching for this solution if anyone know please let me know. Not only that i found [this article](https://silicophilic.com/default-printer-keeps-changing-in-windows/) saying about this. But i donot now that … |
 | I've following configuration PC. It goes crazy sometimes. All cabinate fans starts running crazily & display goes off, still I can hear audio like songs or movie audio. After switching the power it becames normal. **configuration** 1. **CPU:-** Intel(R) Core(TM) i5-4670K CPU @ 3.40GHz 2. **Motherboard:-** Intel DH87MC 3. **RAM:-** …  |
| | There is no signal to the monitor, it powers up and there is the initial beeping sound, cd drives, HDD, floppy and all lights and fans work fine. It doesnt boot up. I googled to try and solve the problem and have tried a process of elimination, so far I …  |
| | I have a Presario X1050, the laptop just froze on me all of a sudden, the screen went a little weird on me with waves going from one side to the other of the screen. I shut it down imm. but then it never started again. Now when I turn … |
 | Computer won't turn on cpu light isn't blinking but power light is blinking monitor is like computer is in sleep mode key board num lock light is on but can't off it |
 | WOW its been so long since i been here it might be that i signed up back when this site was like 10,000 people big. that would have been 11 or 12 years ago.... it was pretty new when i first signed up for this site but i dont think … |
 | So I turn on the PC it all lights up fans are going pumps are going keyboard and mouse have power but the lights on the keyboard arnt working have tested the leads unplug it and left it for a while reseated the ram unplugged all the stuff plugged into … |
 | I recently replaced the motherboard, wifi card, and switch on my Dell XPS12. Now when powered up, it will shut down on its own within a few minutes. What to check / replace next? |
| | As PCs age you enounter "The Dead PC" from time to time. Long ago I even owned a PC repair shop and learned a lot from the experience. But fast forward to today. While I know a bit about PC design something of a mystery to me is why folk … |
| | Recently the LCD screen on my Gateway Solo 5150 Laptop went black. I took it to a repair shop where they replaced the inverter board that supplies power to the LCD lamp. The unit worked very well for a couple of days and the problem re-appeared. I took it back … |
| | I am having an issue with my computer starting up. It will power up, I hear the hard drives spinning, the fans all come on including the CPU fan. But I get no visual, no beeps. I tried to wait out around 5 min or so to see if it … |
| | Hi, I have a 3 year old toshiba satellite pro and recently I've noticed that whenever the laptop is plugged in to the AC ( ie when I want to charge it while the laptop is on) it shuts down after about one second. Therefore the only way I can …  |
| | I have a 2005 Toshiba laptop with a celeron processor. For some reason my computer will just shut off without warning. You've got about 15 minutes tops to use it before it'll just turn off unexpectedly. If you're doing something a little more complicated, like running a virus scan, it'll …  |
 | So two nights ago I turned off my laptop (it was working fine) amd noticed it took a little longer to shut down, then the next morning it took 40 minutes to start up, and it said there was an error with the wireless transmitter. I disabled and enabled the … |
| | hi I am Hoping some one here can shed some light on this. I have a toshiba satellite pro laptop but it's refusing to turn on. it was working fine 2 days ago and was last shutdown as normal. With the AC power supply plugged into the laptop the DC-in …  |
 | Hello, I was playing a game on my PC (NFS Most wanted) when I heard a fan starting up noisily. All of a sudden the system tripped off. When I tried restarting it, only the light on the CD-ROM was blinking, even the power button light did not light up. … |
 | I have a 7 years old laptop in better condition but there is a problem with their mouse. Mouse does not work properly. after 2 times restarting the system then mouse works but after few time approx. 10 to 20 min or when right clicking then mouse stop working. |
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