my laptop has three usb ports, i use one to connect an additional four usb adaptor, the usb ports in my laptop is no longer recognizing any of the items i connect to them, including if i connect them directly, but the funny thing is that the cooling pad i have is connected to the usb on the laptop and is working fine, but again once i connect another device it doesnt work, can someone help?
2007-07-26 19:50:33 · 5 answers · asked by infantry55 3 in Computers & Internet ➔ Hardware ➔ Laptops & Notebooks
USB provide power. They only have a certain amount of power to provide and that power limit is shared by all the ports (however many).
Try unplugging that cooling pad and plugging in one of the items into that same port - having it the only thing plugged into any of the ports. If it works, then it means that the power is all going to that pad when you have it plugged in. They have a power limit that they can supply. It is very possible that your cooling pad is using all of it and leaves too little usb power left for the other items to function.
Some also have something similar to a mini bios. You might google your particular usb? I'm a tech and off the top of my head I cannot remember many details about this.
If not, this could be driver or setting issue.
2007-07-26 19:56:42 · answer #1 · answered by Anonymous · 0⤊ 0⤋
The cooling pad only uses the USB port to get power so that only proves that the power connection is good. Have a look at Device manager in System Properties in could be that the USB-PCI bridge driver is corrupt or missig.
2007-07-26 19:55:35 · answer #2 · answered by Mike C 6 · 0⤊ 0⤋
Have you test it further by removing all USB including that cooling pad and put back on one at a time? Leave the pad as the last.
Windows sensed that they plugged but not recognizable? Power, after all USB bus provided little electricity and part of it is needed as powering up all the circuits.
2007-07-26 19:57:49 · answer #3 · answered by Andy T 7 · 0⤊ 0⤋
Well I'd try reinstalling the drivers for your usb ports.
2007-07-26 19:53:13 · answer #4 · answered by Pete 2 · 0⤊ 0⤋
They do make adapters that can help plug a PS2 mouse into the parallel (printer) port. examine at suitable purchase. Walmart or your interior of sight computing gadget shop. seek for a PS2 to Parallel adaptor.
2016-10-09 10:25:22 · answer #5 · answered by ? 4 · 0⤊ 0⤋