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I have a usb keyboard. My motherboard will not read my keyboard on boot. When I boot up I am able to access the BIOS after that I can not access after that when it says for windows startup "please press any key to continue" my keyboard freezes up.

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You can always buy the adapter for the usb that will plug into your regular keyboard port

Posted on Dec 07, 2008

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Won't read keyboard

usb or ps2 keyboard ? might need to be enabled in BIOS

If you want to use a USB keyboard to access Windows command prompt options, make changes in the BIOS (Basic Input/Output System), or to operate legacy operating systems, you must enable support for the device inside the BIOS.

Shut down the computer and disconnect the USB keyboard. Connect a PS/2 keyboard to the PS/2 connector port on the rear of the computer. Turn on the computer and press the "Delete" key several times as soon as you see the initial boot or company logo screen. Wait for the main BIOS setup screen to appear. Press the right or left arrow keys to move the cursor to the "Advanced" or "Advanced Settings" menu option. Press the "Enter" key. Move the cursor to the "Integrated Peripherals" or "Peripheral Configuration" menu option. Press the "Enter" key. Press the down-arrow key to navigate to the "USB Controllers" option. Press the "+" or "-" key to change the menu option to "Enabled." Move the cursor to the "USB Legacy Support" or "USB Legacy Function" field. Press the "+" key repeatedly until the value option changes to "Enabled." Press the "F10" key to save changes to the BIOS settings and exit the setup utility. Wait until the computer begins to restart and then press the power button and hold it for approximately four or five seconds. The computer shuts down completely. Unplug the PS/2 keyboard from the computer and set it aside. Reconnect the USB keyboard restart the computer. As soon as you see the initial boot screen, tap the "Delete" key several times and wait for the BIOS setup screen to appear. If you are able to access the BIOS setup screen with the USB keyboard, USB support is active in the BIOS.

Feb 15, 2013 | Dell OptiPlex GX110 PC Desktop

1 Answer

Cant set BIOS

Remove cmos battery from motherboard and clear the cmos with jumper and restart the system keyboard works on bios .....still it not works remove harddisk and cd-rom and then enter into the bios

Dec 12, 2012 | HP Compaq Presario SR1220NX (PJ517AAR) PC...

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I am unable to open BIOS. When system booting, message occurs Key board failure. because of that no keyboard keys works for going in BIOS. while key board works fine after loading OS(WindowsXP).


May 27, 2011 | Computers & Internet

2 Answers

None of the keys work on hp logo screen F10, f11. f9. esc system won't boot from hard drive or cd


are you using a usb keyboard? A lot of systems require a ps/2 (purple round connector) keyboard to access the bios settings and anything on the startup screen unless you have set usb on boot in the bios settings. I would try connecting a ps/2 keyboard and see if it helps.

May 06, 2011 | HEWLETT-PACKARD Pavilion Desktop with AMD...

1 Answer

I am unable to open cafe world

You've done all the right things - likely the keyboard controller is shot. If you can live with not turning off your computer you could probably get years more out of this box ... assuming you can get a usb mouse/keyboard running. Otherwise you'll have to explore finding a new motherboard.

I trolled the Dell forums last night and learned some cool things ... appropriate to your motherboard are the following comments:

Troubleshooting cables

I've seen that where the keyboard and mouse (PS/2 plugs) were swapped around. Not saying that that's what you did, but does hint that you may want to unplug both the keyboard and mouse and see if the error goes away. If so, add the keyboard and see if it's ok, if not try another keyboard. If the keyboard works, try adding the mouse, and if that gives the error, try another mouse.

Here's a software way to clear the NVRAM:

To clear your NVRAM, just do this.....

Reboot system and enter the BIOS Setup by pressing F2.
Turn on Caps Lock, Scroll Lock and Num Lock.
Press ALT+ E then ALT+ F (should hear beep) then ALT+ B

If you are unable to access the BIOS Setup to clear the NVRAM then do a "hard" reset of the NVRAM by doing this.....

With the machine unplugged from the wall remove the battery from the motherboard. Then with the machine still unplugged press the On button for several seconds to dissipate any remaining electrical charge on the motherboard. Then re-install the battery, plug the machine back into the wall and see if it will boot normally.

If the problem continues after clearing the NVRAM and you only have one hard drive and one CD drive installed then go into the BIOS Setup and turn OFF the Primary Drive 1 and Secondary Drive 1 options under the Drive Configuration menu.

To get going with USB mice/keyboards:

The trick here is to get USB legacy support enabled; and I agree it's almost certainly the default setting for the BIOS. Try booting again with JUST the keyboard and no mouse. See if you can get into BIOS setup. If so, be sure to set USB emulation ON.

I plugged just the keyboard in and it booted right up. If there were any errors then I couldn't see them. I placed a USB mouse on the machine and everything seems to be perfect.QUOTE]

Error 8604:

[QUOTE]As for the "prognosis" -- it sounds like your PS/2 ports have failed. If the system will work okay with a USB keyboard & mouse, the system should be fine. If not, then there may be a more fundamental issue. If you're willing to spend a few $$ ($10 - $15) we can try to resurrect it. Otherwise, it may very well need a new motherboard.

Other comments:

When the system hangs at the XP screen you are past the Bios POST ... it's a windows issue at that point (can't find hardware/drivers). Since you seem to want to reformat you might try installing windows over top of itself (the Dell recovery CD) .... after you have saved your data.
The A05 bios should be inclusive of all hardware to date - going back to A03 should not be necessary.
To flash the bios you need native dos - a win98 boot disk would work fine.
What is your boot drive? I can't see how you could boot to XP with a single diskette ...

So ... if you can get hold of a usb keyboard you could try that route.

lastly, about the data on your hard drive; the easiest way would be to make another partition on that drive and drag all your files over to it. When you format/install XP it will be to the original partition and your data will be safe. There are also freeware apps which will allow you to read/copy NTFS from win98 ... here's one such:

Play with it a bit before you wipe your drive - you want to make sure your data has been moved.

Hope this helps a bit.


1. Connect your VGA cable to the onboard port. (Not the Radeon)

2. Boot the computer into Safe Mode by pressing F8 when you see the blue Dell Logo, and go up to Safe Mode.

3. Open the Device Manager by Right Clicking on My Computer, select Properties, and then click Device Manager.

4. Click Display Adapters (or something of the sort) until you see the Intel Graphics Controller.

5. Right click it, and select Disable. DO NOT CLICK UNINSTALL!

6. Windows is going to ask you to restart. Click the box that says you'll do it later, and Shutdown your PC.

7. Proceed to install the card, and connect the VGA cable to the Radeon.

8. Reboot your PC.

9. When you get back into Windows, install the Drivers from the Supplied CD. Also, make sure that the setting in your BIOS for Primary Video Adapter is set to Auto.

Done! Hope this helps!

Jan 20, 2010 | Dell Dimension 2400 PC Desktop

2 Answers

My Pavillion a636n hangs at the blue HP Invent screen when trying to boot. The disk access light is on continuously at this stage. Is this liekly to be a problem with the motherboard or something else?

Not certain from here, but I would guess harddrive or disk controller.. Have you tried going into BIOS and setting to boot from CD. Place your OS disk in CD drive and boot from it. Then attempt a repair on OS. Another thing... you could have the system BIOS search for the harddrive. If it cannot find one, that perhaps is your problem. What do the boot screens tell you? I hope this helps you get a clue what might be happening. Oh, do you get any beeps when the PC first posts? How many?

Oct 30, 2009 | Computers & Internet

2 Answers

USB Keyboard will not access BIOS.

Hi there.
Get the PS/2 keyboard and go back into the bios, make sure all the USB controllers are set to "enabled", save the changes and exit the bios, the computer will restart and your USB keyboard should now work and you will be able to access the bios using the USB keyboard.

Good luck and thanks for using FixYa!!

Apr 29, 2009 | Computers & Internet

2 Answers

USB ports all seem troublesome

You cannot use wireless keyboard or USB keyboard in setting up the computer BIOS, what you need is a PS2 keyboard, if your motherboard supported USB booting, in Boot section of your BIOS change the Boot Priority to USB Generic Device, after you change the boot priority change the First Boot to Removable Device or USB Generic Device.. and after that save your configuration and restart the computer.. you must put the USB stick first before you configure the BIOS.. TY


Dec 05, 2008 | HP Pavilion (PN153AAR) PC Desktop

1 Answer

Can't load os do you computer Dell only has usb ports

Ensure the Keyboard and mouse are connected to the USB ports nearest the PS2 port on the back of the chassis.

Boot to the BIOS F2 and ensure USB emulation is ON.

If you can't access the bios, reset the BIOS using the Jumper on the motherboard, then USB ports should then work.

May 18, 2008 | Dell OptiPlex GX280 PC Desktop

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Can't Get Into Bios Setup Dell Dimention E521

Check if your keyboard is connected to USB port which is part of the motherboard and not some frontal or 'additional' USB ports you might have

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