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Re: Computer starts but doesn't boot
Try to uninstall the cord of your monitor going to the cpu this might be loose. if you are using an expansion video card try to remove this and clean this with a pencil eraser. you forgot to specify if you are hearing some beeps upon power on. if there is no beep then the problem is just the connection from your monitor to this videocard(cpu) just try to uninstall then reconnect
I've got the same problem, but when it happened the first time, my parents let me open the computer and... well, do whatever I want with it. anyways, I kept many parts intact, and now I tried to make it back together(with a power supply without a cooler) first time it worked, but after I downloaded and mounted slax(the new os that I thought would be run better than win xp), it just didn't wokr. I took the bios ic, processor, ram and disconnected the hard disk, then put them back together, and nothing. it just spins the cooler and light the leds. since it's a amd k6 II (similar to pentium 2), I can't test the parts on my "good".
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IF neither your external Monitor or Laptop LCD screen are inactive, this generally relates to the Video Section on the mainboard a being compromised. The best solution is a bench test done by a technical professional to locate the excact cause.
sound to me like a video problem. no beep codes, you hear the fan going so it must be posting. could you try with other monitor and or cable? is there power to monitor? reseat cable at both ends( monitor+ pc)
Hallo there I hope you have got your screen beack, if not try to restart your computer in safe mode. The restarting can be done in the following way: 1. Click START, click TURN OFF COMPUTER, and then click RESTART 2. While the computer is starting, press and hold down the F8 key until the Startup Menu appears 3 Use the UP ARROW and DOWN ARROW to select Safe Mode, press ENTER. Now to the display settings 1 Open Display Properties in Control Panel 2 Click the Settings tab 3 If for some reason you are not in safe mode go through following: In Colour quality, clock to alower settiing Move Screen Resolution slider to the left if you want to reducethe size of the desktop To Refresh frequency click Advanced and check the Adapter and Monitor. 4 After you have made your changes click OK restart the computer if you are told to do so. But do not do it in safe mode.. Good luck Kobrun
I've almost the same problem. When the system turns on the monitor doesn't sync. After a variable trials with down/up the sync is enabled and the computer starts.A very clear event occurs : when the monitor can''t sync ( and system doesn't boot)you can hear very clear a high fan rotation. When I look/hear in the system the Isuspect the cpu fan. The system boots ( monitor syncs) when the fan rotationgoes from high to low. So the system hangs on an internal check on the rotation speed of the cpu fan.I've googled a lot , but until now doesn't find an answer . Possibilties which I think about : replace cpu fan , clean cpu fun ( but it looks clean).I cannot measure the fan rotation speed when the system is hanging. At normal rotation all info can retrieved witth the program cpu-z.Did you already have a solution ?
Open it again and make sure you connect all the devices and such ..It seam to be like a clear case of a disconnected cable ..If the system boot up ..and seam to run ..try to see if the vga secondary monitor brings anything to a screen ..if it does it means you messed up with the monitor connections ..cause you changed the hard disk ..you don't have a operation system to boot into and try to make an idea..but its a start .. Other things to check is the fan connections and cables .. If the screen is totally blank I think is like I said just a bad connection to the monitor or a damaged cable in the process of opening it .In any other case you would have at least a warning on screen even without hard disk it should boot to BIOS ..
Do you see the BIOS splash screen or anything?
Try booting into safe mode by pressing F* as soon as you power on the computer. If the monitor works, then it is a bad driver. Roll back to a previous restore point, boot to last known good coonfiguration. Last Known good configuration is available from the same as the safe mode screen.
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Do you head any startup noises, or the startup sounds you hear when Windows loads?
In no, have your computer checked.
If yes, make sure your cables are all snug. Other than that, it depends on how into "fixing it yourself" you are.
Give this a try:
Open the unit and check to see if any of the
capacitors in the power supply or other boards look domed or vented on the top.
Replace any capacitors accordingly. Use the same value capacitors. Most often,
1000uF 16V or 25V, 470uF at 16 or 25V, 220uF at 16V or 25V.
If this doesn’t solve the problem, try checking the surface-mount transistors
on the inverter board that run the lights. Some times these transistors go bad.
Check the area for any cracked or overheated ceramic or mylar capacitors.
You'll need a soldering iron, solder, solder ****** and some idea of how soldering and desoldering work.