Question about Dell Dimension 3000 PC Desktop

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No response from Monitor, Mouse and Keyboard

Dell computer. I have no response from the monitor, mouse and keyboard. Switched them all to another computer and they operator. Could this be a dead motherboard or dead hard drive. Unable to switch out hard drive because of it being a different type of pin connection. I think it's the product that i had to chose from the product listing.

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Definitely a "faulty" motherboard. If fans on PC do not turn, no lights come on and dead screen.

If lights come on, and fans turn, try to reset the BIOS by removing your CMOS (and setting the jumper to clear for about 5 minutes, then put the jumper to normal again) battery for 5 minutes.

Sometimes the bios just "stuffs" up and you'll get no response from your pc at all. So all you do is "CLEAR THE CMOS/BIOS"

Posted on Apr 16, 2008

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Posted on Jan 02, 2017

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I have HCL Ezeebee desktop computer when we boot the system monitor, keyboard, mouse blink for a while and monitor (HCL) show 'no signal' message, and keyboard num lock led not display mouse i


No signal at the monitor indicates (if you know the monitor is working ok) a failure of the graphics chip or graphics card, The lack of indicator light on the num lock LED and the lack of power to the mouse would indicate that there is a major issue with the motherboard.
you can try using another monitor to confirm the problem lies with the graphics, and in the case of the keyboard and mouse, swap them for a usb version, if they work, the Ps2 ports are probably damaged.
I'd be thinking of replacing the motherboard

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just go to control pannel , select bluetoth option , paur your dell device with the system you want to work and it will work fine.

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Ps2 keyboard and mouse don't work. usb works fine


Assuming you have checked in setup that the PS2 is turned on the other option is to re-flash the bios .
At some time someone switched the mouse and keyboard and started up the computer this can cause you to need to re-flash the bios most likely the keyboard chip needs to be replaced sorry to bring bad news .
Dell seems to have this problem yet the USB works is good where most modern keyboards and mouse are USB.
Purple is Keyboard if not color coded the closest to the outer side of case is the keyboard.
Good luck hope this helps you
PS. You may try setting the jumper pins to default the main board back to factory defaults then remove the jumper pin and leave off for first boot .When doing this be aware not to have the power cables connected to the server remove all power cords and the monitor . Prior to doing the first power up plug in the PS2 keyboard only then the monitor. Cross you fingers If you lucky your PS2 port’s will be working again if so shut down re install the jumper pin install the PS2 mouse.

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Are the batteries fresh in the keyboard and mouse? Do you have USB keyboard and mouse to try (to eliminate possibility of wireless keyboard / mouse failure) If you do have alternate (USB or PS/2) keyboard and mouse, make sure and unplug the USB receiver for wireless set before testing. Let me know results.

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Problem with KVM switch and Vista


Your problem has nothing to do with the Operating System (Vista), it has something to do with the brand of your computer. I have similar problem before, I have Vista (Dell), but the time I connected another Vista (Sony Vaio), everything worked correctly.

This is what you need to do:

1. You have to make sure that you are using a standard USB keyboard and mouse.

2. Connect first the keyboard and mouse directly to the Vista computer to see if the USB ports of your computer are working properly.

3. You may power cycle the KVM switch by disconnecting it from the computers (including the keyboard and mouse) and leave it disconnected for 2 minutes.

4. Reconnect everything after two minutes and then reboot the computers.

5. Try using different USB keyboard if problem exist after power cycling the KVM switch.

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the way the kvm switches works is you have your mouse/keyboard and monitor plugged into the switch then you have the cables connecting to where you would have your mouse/keyboard on your pc, youll be using the same keyboard/mouse and monitor to run 2 pc's. there will be rather a switch to move between the pc's or like the 1 i use i have tp press ctrl the number 2 twice.


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In power save mode


Try hitting the space bar on the keyboard. Does the mouse work normally?

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