Question about Toshiba Satellite A135-S2276 Notebook

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My usb ports are not working. 2 of the 4 are not working

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If they were working before then I would have to agree with "setcomputer" however if this is the first time that you have tried them then, I would check in device manager and make sure the ports are enabled first. Cheers.

Posted on Aug 02, 2009

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This problem is mostly from a south chipset on the mainboard and can not be repaired.but u can reinstall the windows and test .

Posted on Aug 01, 2009

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I cannot get my keyboard or my mouse to work with my dell computer. what can i do?


Please add more information to get specific assistance. Are these wireless devices? If wired, do they use USB or PS/2 connections.

For wireless devices, try replacing the batteries and resynching to the receiver. (You may want to check putting the receiver in different USB ports.)

For wired devices, disconnect and reconnect. For PS/2 devices, you will need to restart the computer to check if the devices work. For USB devices, try connecting to different USB ports.

Next step, try using a different keyboard and mouse (that work on another computer (stick to USB or PS/2 to match the current pair)). Try a wired set if the problem is with a wireless pair. If those work, continue diagnostics on the wireless keyboard and mouse. Check if the mouse and keyboard work on another computer. If they don't work with another computer, replace them.

If another USB keyboard and mouse pair don't work in any port, your USB ports may have failed. Check if even one port works enough to access the Device Manager. (Start > Control Panel > Hardware and Sound > Device Manager (Win7); similar directions in other versions of Windows) Check for a problem with the drivers (For USB ports, scroll down to the USB drivers and look for a triangle with a yellow exclamation point or red x). Try to update the driver or roll it back. If that doesn't help and one USB port works, a USB hub may solve the problem.

Otherwise if the USB or PS/2 ports do not work with any devices and the driver fix doesn't work, then I'd suspect a problem with the ports on the motherboard. Replace the motherboard/computer.

I hope this helps.

Cindy Wells

Sep 12, 2011 | Dell Computers & Internet

2 Answers

Keyboard doesn;t work at all. Keyboard checks out OK at another PC


Is this a USB or PS/2 keyboard? If it is a PS/2 then the port that is integrated on the board is not working. If it is a USB, try plugging it into another USB port and see if it will work. If it does not work on either port then the ports on the system board are not working. It means u're having some malfunctions on the system board itself.

If it is a USB keyboard and it is that the USB ports integrated on the system board are not working, buy and install a PCI card with USB ports. It should work then.

Mar 15, 2010 | Dell 0Y3740 Keyboard

1 Answer

The monitor has 2 USB ports on the left side of


It is basically 2-port USB powered HUB built into the monitor, did you hook up the USB cable from the monitor USB Input port to the USB port on the PC?

Jan 08, 2010 | HP w2207 Monitor

2 Answers

USB port problems


You need the motherboard specs, which you can look up on the internet, based on the maker.
With the USB ports, the front ones often don't include power.
So plug a powered 4 port hub into the front port, and then the hub will supply the power after that.

Jun 26, 2009 | MSI K7N2 Delta-ILSR (MS-6570-030)...

1 Answer

ASUS P4SDX USB Ports not recognized as USB2 HS Ports


The message comes up when a USB 2 device is connected to a slower USB 1 or 1.1 port. It is only to advise you that the devise will operate faster on a USB 2 port. If your computer has only USB 1 or 1.1 ports, you will always see the message. You can buy and install a card with USB 2 ports and install it. It will come with the USB 2 drivers. Install the card and the drivers and then connect your USB 2 device to the new hardware and you should not see the message anymore.

Good luck, And let me know ho it works out for you.

~ Spoem

Mar 30, 2009 | ASUS P4SDX Motherboard

2 Answers

USB ports work at 1.1; s/b 2.0


Your computer is functioning correctly.
The USB ports on your laptop are USB1 ports its pard of the hardware.
Your PCMCIA USB 2 card runs at USB 2 speed and therefore when you connect a USB 2 device to this port you will not get this USB message.

Jan 18, 2009 | Lenovo ThinkPad R51e Notebook

1 Answer

Mouse Doesn't Work in PS/2 port


CHECK BIOS TO MAKE SURE IT DID NOT TURN ITSELF OFF WHEN YOU PLUGGED IT INTO THE USB.BIOS MAY HAVE TURNED IT OFF TO PREVENT A CONFLICT.RICHARDM69

Dec 07, 2008 | Foxconn 6100K8MA-RS Motherboard

5 Answers

CL51-15 USB Port Problem


I have the same problem with the USB's not working. Suppliers say Motherboard problem. solved it by purchasing a PCMCIA to USB port. at least i now have 2 USB ports. you could probably get one with 3 ports.

Kevin S.A.

Sep 26, 2008 | ASI CL51-15 Notebook

1 Answer

A USB mouse will work but the PS/2 mouse failed. What causes it?


Hi melch, On the PS/2 mouse, chances are that the surface mounted fusible link/resistor supplying the +5VDC is open. It is normally very near the PS/2 port and marked [0] or labeled F???. This can be verified by measuring the absence/presence of +5 at pin 4 of the connector. In some cases, it is the I/O chip that gets damaged. Re "only two(2)USB port" aside from the 2 rear USB ports, the Asus CUV4X-C has another pair of USB connectors that are normally connected to the front panel of the casing. It is located very near the motherboard battery. Re "...prompting...high speed USB port...", normally by updating your OS (say XP to SP2) or downloading/installing latest VIA 4 in 1 Drivers should make your USB 2.0 compatible. Hope this be of some help/idea. Pls post back how things turned up or should you need further information. Good luck and kind regards.

Sep 23, 2007 | ASUS VIA Apollo Pro133A Chipset CUV4X-C...

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