Question about IBM ThinkCentre S50 8183 - P4 3 GHz (8183D9U) PC Desktop

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Computer not booting

I have an ibm think centre pc its not booting,the processor is working but there is no display and no beeps indicating any problem

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Remove & clean the ram then reinstall it your problem will sloves

Posted on Aug 24, 2008

  • sandip panchal
    sandip panchal Aug 24, 2008

    set from the bios setting frist boot divice hard disk


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So what makes you think the processor is working?? You have no proof of that since you go so far as to admit there is no display and no bios beeps. If the processor was working and the motherboard was doing its job, you would get some bios beeps during the boot up phase even if the hard drive, display, and memory was bad. So I see one of two choices in what little information you have given so far. Processor is NOT working or motherboard is NOT working. or even may both are not working. What do you think????

Posted on Aug 24, 2008

  • Ravel Lively
    Ravel Lively Aug 24, 2008

    I would add that it is more likely that the 12 volts on your power supply is still operational giving power to your system fans and possibly your CPU fan also, allowing you to think the processor is still good. It may be and only one or several of the other voltages from the power supply is deficient causing failure of the motherboard and the processor to operate as they should. So before anything else, check your Power Supply to verify that it is producing necessary voltages to power your system.... Assumptions cause problems for everyone. Generally speaking CPUs only rarely go bad and could still be good even if the motherboard, power supply, hard drive, and CD/DVD have been exposed to conditions that disable them completely. Be aware that placing a bad motherboard or power supply into another system for troubleshooting reasons could and sometimes does incapcitate the troubleshooting system. It is also possible for a shorted CD/DVD or floppy drive to create a system that does not boot. So the best thing to do is disconnect all peripherials from the motherboard and the power supply. By peripherials, I mean the CD/DVD, floppy, hard drive, all usb devices, and the monitor from the computer. Don't be afraid to use a different mouse and keyboard if you think it might be necessary. The likelihood of a mouse or keyboard causing this kind of issue is very low but not impossible as I've seen keyboards do some very strange things. Once you done as much as you can do to reduce the # of possible causes, turn the computer back on and see what happens. If the problem lies with one of the peripherials, then you should hear a bios beep at a minimum. Once you hear that bios beep, plug your monitor back into your system and check to see if you have a display and you probably will have assuming Power supply, motherboard, and cpu are good. But if you have no beeps and no display in this limited scenerio, then a best guess would indicate either a faulty power supply or motherboard. As I stated previously CPUs only rarely go bad unless a fan has gone bad allowing the CPU to overheat. On most modern motherboards CPUs are protected by a circuit that prevents CPUs from overheating due to a faulty fan, however I cannot assume to much since I can't see your configuration..
    Hope this helps and it is what I should have stated to begin with, but when you mentioned categorically that your CPU was good, it pulled me off into the tangent of asking why you believed that. In the old days, it was much more difficult to assume the status of a CPU.



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