I had not used the laptop for several weeks and when I turned it on, the system boots okay, but I cannot use the built in mouse, or the keyboard and when I plug a usb mouse and keyboard into the usb ports they still do not work
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When starting and the computer, and the acer screen is displaying, hold [FN] key and press [F6] off and on. If the screen flickers to blank and back, then leave it on the blank screen let go of all keys and wait to see if it boots up to windows screen. If it does then keyboard, mouse and USB functions should be restored.
If still no keyboard, mosue, USB function, and the computer does boot to windows screen, then try [FN] key and [F7].
I have a Acer 5100 I am facing the same prolem my USB ports stopped working and then the Keyboard the system boots but i cannot do anything like the password nor can i start in safe mode or go to set up, if somebody can help me sort this problem ,thankyou
I just had mine fixed by http://www.laptoprescuer.com/ Unfortunately, this is a motherboard problem but they were a little cheaper than the others since they were able to fix the I/O controller (which is the culprit) and not replace the whole motherboard. So with shipping back and forth it still cost me around $250. :( ...but... they did a great job and I'm and running!
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Well, to get started I would need to know what operating system your using. For all of your USB ports to stop working, Something has corrupted your device manager or has re-configured your startup. If your using Windows, start in safe mode and try system re-store to a date when the system was stable.
Are you using an USB mouse? If so you may like to try another USB port or there might be some wire to the USB port not plugged right. You can check the printing on the motherboard to see how it should be plugged. (There is several wires for each USB port with a certain order into an plug on the motherboard when the USB port is not on the motherboard). You can check the power and make sure it is connected well and enough for everything. Other options will be to use other mouse like wireless mouse or PS/2 to USB converter to make a PS/2 mouse an USB mouse or vice versa. Checking motherboard and measuring every voltage could be very complicated.
If your keyboard and mouse are wired with USB port plugs then you could have either a faulty cord or USB ports in your system. Try using the keyboards on another PC and see what happens. Also you cannot connect a keyboard and mouse after the system has booted into windows and expect it to work. Either way your system will think nothing is attached until you reboot. Try this out and see what happens.
If your Keyboard and mouse are PS2 type, turn off your system, unplug them and try a USB type mouse and keyboard instead. If you are already using USB type mouse and keyboard, then try plugging them into different USB ports. Bootup in Safe Mode if possible. If you do not have keyboard functionality during the initial boot process, you may have sustained damage to the motherboard. The fact you mentioned a noise (speaker type?) and then lost component function, would indicate a possible hardware failure
It appears that you have an IBM desktop whose BIOS isn't capable of booting off of a USB keyboard and mouse device. Older computers used to require that a PS2 mouse and keyboard be attached before booting, to prevent you from booting a machine without any way of controlling it. You have 3 options:
1. leave the corded mouse and keyboard attached and never use them
2. update the BIOS for your desktop to the newest one in hopes that the updated BIOS will allow for USB mouse and keyboard operation
3. go to a computer store and get a PS2 to USB converter/adapter. They're small and relatively inexpensive. It plugs into the PS2 port, and makes your computer think that there's a PS2 device connected, when it's actually a USB device.
I called Dynex customer support and they walked me through the troubleshooting process. It turns out there was a problem or conflict with one of my usb ports. The port recognizes my flash drive and other usb devices but not the mouse. I tried using the other two remaining ports and the mouse was recognized and works just fine.
Try testing the mouse in another computer if available to make sure the problem is not the mouse. Also try removing the usb dongle, re-boot the computer, and then re-install the usb dongle in a different usb port then the one you removed it from. This might bring the computer back recognizing the usb mouse. You could also go into the control panel(if you are using windows) and then into the device manager. Then try removing the mouse in the device manager and then re-boot the computer and see if that works.
look in the USB socket and see if anything has been knocked pluss dust might be there ...
have you used the USB in the last week or so ...? if you have left that one and not used it , it might have colected dust so it just needs some cleaning ... if it doesent work you need to replace it...
Does the system respond to boot keys (F2, F12) when the DELL logo appears? If so the problem is with Windows drivers and probably can be resolved by reinstalling or rolling back the drivers, but how? Do you have access to another keyboard? Does the system have PS/2 ports? Do you have access to a PS/2 keyboard or adapter? If boot keys work, you could also choose F8 for Last Known Good Config (XP) or System Restore (Vista).
Have you tried different ports (front if using back or visa-versa)? Try using just keyboard or mouse to see if one has somehow shorted. Also check the ports for any sign of damage.