Question about Dell Dimension 2400 PC Desktop

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Computer turns on but does not boot windows, no bios screen

Power to everything, tested with multimeter, no start up at all, monitor does not receive signal, hard drive does not spin. Friend says motherboard is probably screwed up since nothing loads and I need a new one.

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  • hellzombie83 Feb 01, 2009

    Same problem but when I remove everything except power cpu fan and the little speaker and power switch it still has no beep code at all. that mean its the motherboard for sure?

    specs are:
    intel core i7 920 cpu
    gigabyte ga-ex58-ud3r board
    cm extreme power 550w ps (not overclocking or running multi vid cards so should be fine for now)

  • trippler May 11, 2010

    sounds like there could be a short somewhere on the board (im going through this atm with a friends comp , he for some reason decided to pull the monitor cord out of the pc (without undoing it (and yes he speaks little english and doesnt understand a thing) and broke it ,he then got himself a new vid card but unfortunatly he didnt fix the original problem and the boards now shorted out and wont work) all it does is give me 1 long beep followed by 2 short ones (on p.o.s.t)





    sounds like a similar problem with your pc.

    basically the only thing to do is replace the motherboard

    (have you tried to replace the power supply? i know you said power to everything)

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My neighbors e machines goes to the start windows normally screen, and then pops up this bright blue screen, but you can't read anything cause its like in a nanosecond gone, then says no signal, then to the bios screen and keeps repeating and repeating

Posted on Dec 05, 2009

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As you seem to not be a total novice with electronics, I would suggest you try unplugging everything with in the computer apart from the big plastic (Molex) connector from the power supply.

So unplug hard drive, cd/dvd drive, all pci cards, monitor and any memory.

PLEASE MAKE SURE THE PC IS OFF WHEN DOING THIS AND TURN OFF AT THE MAINS>

Turn your pc back on, you will hear a beep, nothing to worry about, its because you have nothing connected yet.

One by one start to connect the components back in the unit.

All this is doing is fault finding to see if its hardware related.

might be worth connecting your hard drive 1 at a time if you have more than 1 but the one with your operating system needs to go in first.

Add the ram 1 stick at a time aswell incase it the memory thats gone faulty.

Just remember to be careful with static if you can..


Check your graphics card aswell if you have added one:

Everything that I have read so far points to a graphics card failure..

http://en.wikipedia.org/wiki/Power-on_self-test

Posted on Jan 20, 2009

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Hello when I turn on my monitor and computer this morning I have a black screen on my envision monitor and the green light keeps blinking do you know how to fix this


Unplug everything from the tower. Including power cord.
Press the power button for 5 secs.
Proceed to connect, power line, mouse, keyboard and monitor
That should reset the power or hibernation mode that you might have issues.
If everything looks normal, proceed to connect your remaining devices.
You must be aware that having a BIOS settings to boot from USB, DVD or USB-FLOPPY might prevent to boot into windows.

Feb 24, 2015 | Envision Computers & Internet

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Troubleshooting Error Messages on a Black Screen that may Occur During Startup...


<b><u>For Hp Laptop</u></b><br /><br />There are many reasons that a computer does not startup or boot into the Windows operating system.<br /><br /><b><u>Resolving Start Up and No Boot Problems Checklist</u></b><br /><b></b> <br /><b>Perform a Hard Reset</b><br />1. Disconnect all peripheral devices and remove all USB devices and media cards.<br />2. Disconnect the AC power adapter, remove the battery, and then press and hold the power button for at least 15 seconds.<br />3. Reconnect the AC power adapter (do not connect the battery), press the Power button and look for the LEDs to blink or glow, and listen for the sound of a disk drive and fan turning.<br />If computer does not start normally, identify the specific problem symptom listed below and take the recommended actions.<br /><br /><b>Symptom: LED lights do not glow, display is black, computer does not start<br /></b>If LEDs do not glow when power button is pressed, there is no power available to the notebook. Check AC adapter wiring and power connection to the notebook. Connect a different AC power adapter and remove battery. Connect a different battery and disconnect AC power adapter. If there is no battery or AC power at the notebook, contact HP for technical assistance.<br /><br /><b>Symptom: LEDs glow, but computer fails to startup or boot, and displays a black screen</b><br />Usually occurs if a component is installed incorrectly, or there is a device conflict or failure. Connect an external monitor to check display Remove all CD/DVDs, SD cards, USB devices, peripherals and do hard reset If memory or hard drive components were replaced, reinstall original components Remove memory modules and replace one-at-a-time If possible, boot to BIOS mode (f10) and run Memory Test and Hard Drive Test If all other methods fail, use recovery disk to recover the computer to original condition.<br /><br /><b>Symptom: Computer displays a blue screen or continually re-starts</b><br />Trying to restart the PC after an error message can usually bypass the error and the PC can run in Safe mode to install an update or patch. <br />Boot to BIOS Diagnostics (f10) and run memory and hard drive diagnostic tests Boot to Windows Advanced boot options (f8) and:<br />o Select Disable automatic restart on system failure to view error message<br />o Run Repair Your Computer<br />o Run Last Known Good Configuration (Advanced)<br />o Select Boot into Safe Mode and then Run a Microsoft system restore<br />o Select Boot into Safe Mode and then Uninstall recently installed programs<br />o Select Boot into Safe Mode and then run Windows Update<br /><br /><b>Symptom: Computer displays the Windows logo screen and stops responding</b><br />Boot to Windows Advanced boot options (f8) and select Disable auto-restart to view error message<br />Boot to BIOS mode (f10) and Restore the BIOS defaults (f9) Boot to BIOS mode (f10) and run Hard Drive Test Boot to Windows Advanced boot options (f8) and select Last Known Good Configuration (Advanced) Boot to Windows Advanced boot options (f8) and select Boot into Safe Mode and then Uninstall recently installed programs<br /><br /><b>Troubleshooting general black screen errors on an EFI-based computer</b><br />The Extensible Firmware Interface (EFI) is available on select HP Notebook PCs manufactured in late 2008 and beyond.<br />To access the Startup Menu and the troubleshooting options on an EFI-based computer, press the power button and immediatly press the ESC key. If computer does not display a EFI Startup Menu, it may a non-EFI computer.<br />The EFI environment allows you to select from the following options:<br />Press f1 for System Information .<br />Press f2 to perform System Diagnostics .<br />Press f1 for System Information System Information.<br />Press f2 to perform the Start-up Test .<br />Press f3 to perform the Run-in Test .<br />Press f4 to perform the Hard Disk Test .<br />Press f11 to view the Error Log .<br />Press f9 for Boot Device Options .<br />Press f10 for Bios Setup .<br />Press f11 to perform a System Recovery .<br /><br /><b>Troubleshooting general black screen errors on non-EFI based computers<br /></b>The Extensible Firmware Interface (EFI) was not available on computer manufactured in 2008 or earlier.<br />When you try to start your computer, it may appear to stop responding with an empty, black screen before reaching a blue screen or the Windows logo. If there is no specific error message provided, there are several things you can do to troubleshoot a black screen. <br />Remove a non-system disk from the computer <br />To remove all non-system disks and reboot the computer, follow the steps below:<br />Disconnect any eSata, USB, or 1394 (Firewire) devices that are attached to the computer.<br />Remove any CD / DVD discs or memory cards from the drives if present.<br />Press and hold the Power button for 30 seconds to turn off the computer. Then, press and release the Power button to turn on the computer. <br /><br /><u> NOTE: During startup, a computer checks several devices for an operating system in a pre-determined order. You can change the order that the computer uses in the system BIOS. </u><br /><b>After removing any non-system disk:<br /></b>If the computer starts up normally to the Windows desktop, no further action is needed.<br />If the computer still stops at the black screen continue by restoring the BIOS default settings.<br /><br />for re-installation bios process, waiting for next tips. <br /><span>Thank you</span> <span>for taking</span> <span>the time</span> <span>to</span> <span>read. H</span>opefully these tips beneficial to you to solve your hp laptop.<br /><br />Regards<br />Multilinkent

on Mar 08, 2011 | Computers & Internet

1 Answer

My computer is not working....i am stuck in windows system32 drivers disk.sys when i try the safe mode...and the installation stops and just turn into black... can anyone help me ragarding this problem?...


If computer does not start normally, use this checklist to identify specific symptoms and take the recommended corrective actions to resolve the problems.Perform a Hard Reset Do these actions first to clear all temporary setting before troubleshooting the problem.Disconnect all peripheral devices and remove all USB devices and media cards Disconnect the AC power adapter, remove the battery, and then press and hold the power button for at least 15 seconds to drain residual charge
  1. Reconnect the AC power adapter (do not connect the battery), press the Power button and look for the LEDs to blink or glow, and listen for the sound of a disk drive and fan turning.
Perform each recommended corrective action and then attempt to restart the computer.Symptom 1: LED lights do not glow, display is black, no fan or drive sounds are heard, and computer does not startIf LEDs do not glow or blink when AC power adapter is attached and power button is pressed, there is no power available to the notebook.
  • Check AC adapter wiring and power connection to the notebook.
  • Connect a different AC power adapter and remove battery, then restart notebook.
  • Connect a different battery and disconnect AC power adapter, then restart notebook.
  • If there is no power available at the notebook, contact HP to purchase a replacement battery or AC adapter.
Symptom 2: LEDs blink or computer beeps but does not start Blinking LEDs or beep tones indicate a hardware failure during the pre-start up testing.
  • Count number of blinking LEDs or beeping tones to help with diagnostics testing.
  • Contact HP for technical assistance. There are no other user-initiated troubleshooting actions until error codes are resolved.
Symptom 3: LEDs glow, fan noise may be heard briefly, display remains black, and computer fails to startup or boot Usually occurs if a component is installed incorrectly, or there is a device conflict or failure.
  • Connect an external monitor to check if the problem is the built-in LCD display or graphics card.
  • Remove all CD/DVDs, SD cards, USB devices, peripherals and do a Hard Reset .
  • If memory or hard drive components were replaced, reinstall original components.
  • Remove memory modules and replace one-at-a-time.
  • Remove and reseat hard drive.
  • If possible, turn on power, press F10 to enter BIOS mode, and run Memory Test and Hard Drive Test .
  • On newer notebooks, turn on power, press Esc to enter UEFI mode, and run Memory Test and Hard Drive Test .
  • If possible, turn on power, press F8 to enter Windows Advanced Boot Options , and select Repair Computer option, or enter Safe Mode and run Memory Diagnostics .
  • If all other methods fail , but computer can boot to BIOS, use recovery disk to recover the computer to original condition.
    Note: All programs and data are destroyed during recovery.
Symptom 4: Computer may display an error message on a black screen during startup or boot
  • Search www.microsoft.com for terms in error message.
  • Search www.hp.com for terms in error message.
  • If possible, turn on power, press F10 to enter BIOS mode, do the corrective actions listed under Symptom 3 to run memory and hard drive tests.
Symptom 5: Computer displays a blue screen or continually re-starts After an error message is displayed, you can usually bypass the error and continue to run the notebook in Safe mode to install an updated BIOS or driver.
  • Search www.microsoft.com for terms in error message.
  • Search www.hp.com for terms in error message.
  • If possible, turn on power, press F10 to enter BIOS mode, and run diagnostic Memory test and Hard Drive test .
  • If possible, turn on power, press F8 to enter Windows Advanced Boot Options , and do one or more of the following:
    • Select Disable automatic restart on system failure to view error message.
    • Run Repair Your Computer .
    • Run Last Known Good Configuration .
    • Select Boot into Safe Mode and then select Run a Microsoft system restore .
    • Select Boot into Safe Mode and then select Uninstall recently installed programs .
    • Select Boot into Safe Mode and then run Windows Update .
Symptom 6: Computer displays the Windows logo screen and stops respondingIf no error message displays, turn on power, press F8 to enter Windows Advanced boot options ,and select Disable auto-restart to view error message.
  • Search www.microsoft.com for terms in error message.
  • Search www.hp.com for terms in error message.
  • If possible, turn on power, press F10 to enter BIOS mode, and select Restore the BIOS defaults (F9) .
  • If possible, turn on power, press F10 to enter BIOS mode, and run Hard Drive Test .
  • If possible, turn on power, press F8 to enter Windows Advanced Boot Options , and select Last Known Good Configuration (Advanced) . .
  • If possible, turn on power, press F8 to enter Windows Advanced Boot Options , and select Boot into Safe Mode and then Uninstall recently installed programs .
Update Computer After Resolving A Problem When the computer starts into Windows normally, you should install the latest updates and patches to prevent other start-up problems.

Oct 11, 2011 | Computers & Internet

1 Answer

What will i do to my hp mini notebook it has a power but it cannot booth


Perform a Hard Reset Do these actions first to clear all temporary setting before troubleshooting the problem.Disconnect all peripheral devices and remove all USB devices and media cards.Disconnect the AC power adapter, remove the battery, and then press and hold the power button for at least 15 seconds to drain residual charge.Reconnect the AC power adapter (do not connect the battery), press the Power button and look for the LEDs to blink or glow, and listen for the sound of a disk drive and fan turning.Perform each recommended corrective action and then attempt to restart the computer.Symptom 1: LED lights do not glow, display is black, no fan or drive sounds are heard, and computer does not startIf LEDs do not glow or blink when AC power adapter is attached and power button is pressed, there is no power available to the notebook Check AC adapter wiring and power connection to the notebook Connect a different AC power adapter and remove battery, then restart notebook.Connect a different battery and disconnect AC power adapter, then restart notebook Symptom 2: LEDs blink or computer beeps but does not start Blinking LEDs or beep tones indicate a hardware failure during the pre-start up testing Count number of blinking LEDs or beeping tones to help with diagnostics testing Symptom 3: LEDs glow, fan noise may be heard briefly, display remains black, and computer fails to startup or boot Usually occurs if a component is installed incorrectly, or there is a device conflict or failure Connect an external monitor to check if the problem is the built-in LCD display or graphics card Remove all CD/DVDs, SD cards, USB devices, peripherals and do a Hard Reset If memory or hard drive components were replaced, reinstall original component Remove memory modules and replace one-at-a-time Remove and reseat hard drive If possible, turn on power, press F10 to enter BIOS mode, and run Memory Test and Hard Drive Test On newer notebooks, turn on power, press Esc to enter UEFI mode, and run Memory Test and Hard Drive Test If possible, turn on power, press F8 to enter Windows Advanced Boot Options , and select Repair Computer option, or enter Safe Mode and run Memory Diagnostics If all other methods fail , but computer can boot to BIOS, use recovery disk to recover the computer to original condition Symptom 4: Computer may display an error message on a black screen during startup or boot Search www.microsoft.com for terms in error message Search www.hp.com for terms in error message
  • If possible, turn on power, press F10 to enter BIOS mode, do the corrective actions listed under Symptom 3 to run memory and hard drive tests.
  • Symptom 5: Computer displays a blue screen or continually re-starts After an error message is displayed, you can usually bypass the error and continue to run the notebook in Safe mode to install an updated BIOS or driver.
    • Search www.microsoft.com for terms in error message.
    • Search www.hp.com for terms in error message.
    • If possible, turn on power, press F10 to enter BIOS mode, and run diagnostic Memory test and Hard Drive test .
    • If possible, turn on power, press F8 to enter Windows Advanced Boot Options , and do one or more of the following:
      • Select Disable automatic restart on system failure to view error message.
      • Run Repair Your Computer .
      • Run Last Known Good Configuration .
      • Select Boot into Safe Mode and then select Run a Microsoft system restore .
      • Select Boot into Safe Mode and then select Uninstall recently installed programs .
      • Select Boot into Safe Mode and then run Windows Update .
    Symptom 6: Computer displays the Windows logo screen and stops responding If no error message displays, turn on power, press F8 to enter Windows Advanced boot options ,and select Disable auto-restart to view error message.
    • Search www.microsoft.com for terms in error message.
    • Search www.hp.com for terms in error message.
    • If possible, turn on power, press F10 to enter BIOS mode, and select Restore the BIOS defaults (F9) .
    • If possible, turn on power, press F10 to enter BIOS mode, and run Hard Drive Test .
    • If possible, turn on power, press F8 to enter Windows Advanced Boot Options , and select Last Known Good Configuration (Advanced) . .
    • If possible, turn on power, press F8 to enter Windows Advanced Boot Options , and select Boot into Safe Mode and then Uninstall recently installed programs .
    Update Computer After Resolving A Problem When the computer starts into Windows normally, you should install the latest updates and patches to prevent other start-up problems.

    Oct 09, 2011 | HP Mini 1000 Netbook

    2 Answers

    My computer wont boot up the fan and light turn on for a second then goes right off....


    With the little bit of information presented, it appears that this is possible a power supply problem. One thing you can try is to unplug the power adapter from the laptop, remove the battery, then plug the power adapter back into the laptop. Then try to turn it on. If everything comes up normally, then the problem points, potentially, to the battery.
    Hope this helps!

    Feb 18, 2010 | HP Pavilion dv9000z Notebook

    3 Answers

    I turn on my pc all fine screen says no signal help please


    Verify that the VGA cable is fully seated and connected. If you can test the computer on another monitor or test another computer on that monitor. Are you getting any video display on the monitor? Does it display the start-up screen then goes away when windows starts? If so start the computer and press F5. A menu will come up and select to start computer in VGA mode. This should bring up windows so you can change the screen resoloution to something the monitor can handle. If the computer does not display anything and the monitor is testing good then the on-board video or video card might be faulty. You could change the video card if it has one or add one to the system if it has on-board video. You could also try re-setting the BIOS jumper to clear the cmos or pull out the watch battery for 20 seconds. Another thing to try is to disconnect all hardware...cd-rom, hard drive, floppy drive, and memory dimms and see if it boots up with display. If that works the you will need to re-install each piece of hardware one at a time and re-boot until the problem happens again. Once it does that is your problem device. You could also try swapping out the power supply and see if that is the cause of the problem.

    Sep 26, 2009 | HP Computers & Internet

    1 Answer

    Monitor stays black until boot up to Desktop


    you use a graphics card as your main output?
    and you have onboard graphics output too that you dont use?
    if so then you will have to plug your monitor lead into the onboard output socket to see bios. i think you need to go into bios and change which device starts from boot.
    it sounds like you have the onboard graphics as your boot device and windows using the graphics card.

    Feb 26, 2009 | Sceptre X9G-NagaIV 19" LCD Monitor

    1 Answer

    WINDOWS XP PRO SERVICE PACK 3


    First off, please use proper case. All upper case makes it look like you are shouting. Thanks.

    Try removing everything you can possibly remove from the outside other than the monitor. Remove any cards inside not needed to boot (sound, NIC, modem, etc.).

    Disconnect mouse and keyboard, too if it will boot without a keyboard. Some systems will halt at the BIOS screen without a keyboard.

    When you have a minimum config for booting, boot and see if it stays on. If so, one of the items disconnected is the culprit.

    If not, reconnect keyboard (if disconnected) and boot into Safe mode by tapping F8 after BIOS screen. See if it will stay on in safe mode. If it will stay on in safe mode, problem is O/S.

    If it won't stay on in safe mode, see how long it will stay on at the BIOS screen. If it will stay on indefinitely, you could have flaky RAM or possibly hard drive. Power off, unplug power cable, remove hard drive and see if you can boot to the Windows CD. If it will boot up to Starting Windows and stay on, probably not RAM although that is not a definitive test. At that point, I'd try another hard drive and see if the O/S will install or try wiping and reloading the original hard drive.

    Let me know if you need more help.

    Honest1abe

    Jan 17, 2009 | SuperMicro Pentium III Xeon (TMR-004)...

    8 Answers

    Stand by mode


    Check the display cables , and if you have one test a different monitor on your computer.

    If this is not a sceen problem, then it is an internal fault possibly the motherboard.

    Try first leaving the PC power cord unplugged for ten, fifteen minutes and check if PC restarts afterwards.

    Nov 28, 2008 | Computers & Internet

    1 Answer

    Boot sequence manual


    When you hit the power button on your computer a whole lot of stuff happens. We call this the boot process. In the days when I first started using computers there was literally a "boot disk", a floppy (5.25" not a 3.5") disk that told the system where to go and what to do so that the operating system would start up. Since then the boot sequence has become somewhat more complicated. So let me take you thru the steps the computer takes to get started. For my example I'm going to use a Windows XP system.
    1. First is the POST, this stands for Power On Self Test, for the computer. This process tests memory as well as a number of other subsystems. You can usually monitor this as it runs each test. After that is complete the system will run POST for any device that has a BIOS (Basic Input-Output System). An AGP has its own BIOS, as do some network cards and various other devices.
    2. Once the POST is complete and the BIOS is sure that everything is working properly, the BIOS will then attempt to read the MBR (Master Boot Record). This is the first sector of the first hard drive (called the Master or HD0). When the MBR takes over it means that Windows is now in control.
    3. The MBR looks at the BOOT SECTOR (the first sector of the active partition). That is where NTLDR is located, NTLDR is the BOOT LOADER for Windows XP. NTLDR will allow memory addressing, initiate the file system, read the boot.ini and load the boot menu. NTLDR has to be in the root of the active partition as do NTDETECT.COM, BOOT.INI, BOOTSECT.DOS (for multi-OS booting) and NTBOOTDD.SYS (if you have SCSI adapters)
    4. Once XP is selected from the Boot Menu, NTLDR will run NTDETECT.COM, BOOT.INI and BOOTSECT.DOS to get the proper OS selected and loaded. The system starts in 16-bit real mode and then moves into 32-bit protected mode.
    5. NTLDR will then load NTOSKRNL.EXE and HAL.DLL. Effectively, these two files are windows XP. They must be located in %SystemRoot%System32.
    6. NTLDR reads the registry, chooses a hardware profile and authorizes device drivers, in that exact order.
    7. At this point NTOSKRNL.EXE takes over. It starts WINLOGON.EXE that in turn starts LSASS.EXE, this is the program that display the Logon screen so that you can logon.

    Nov 05, 2008 | Computers & Internet

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