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Question posted by brianrovou on July 30th, 2012

Unrecognized Usb Device

My computer cannot recognize all my USB devices. How can I correct this problem?

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Answer #1: Posted by cljeffrey on August 1st, 2012 5:07 PM

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cljeffrey

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Hello my name is Jeffrey and I work for Asus Customer Loyalty Team.

Looks like what you will need to do is reboot your computer. Simply unplug the outlet and wait for about 5 minutes.

Sometimes the motherboard needs to be “rebooted” also because something can go wrong, i.e. all your USB ports suddenly stop working. The small microprocessor on the motherboard will reload the drivers and your USB ports should be back to recognizing all devices!

If you have any questions or comments you can email me at [email protected]

ASUS strives to meet and exceeds our customer expectations within our warranty policy.

Regards,

Jeffrey ASUS Customer Loyalty

Related Asus P5LVM1394 Manual Pages

Motherboard Installation Guide - Page 1

P5L-VM 1394 Motherboard

Motherboard Installation Guide - Page 3

Contents Notices vi Safety information vii About this guide viii Typography ix P5L-VM 1394 specifications summary x Chapter 1: Product introduction 1.1 Welcome 1-2 1.2 Package contents 1-2 1.3 Special features 1-2 1.3.1 Product highlights 1-2 1.3.2 Innovative ASUS features 1-4 1.4 Before you proceed 1-5 1.5 Motherboard overview 1-6 1.5.1 Placement direction 1-6 1.5.2 Screw holes 1-6 ...

Motherboard Installation Guide - Page 10

one at back panel) (continued on the next page) P5L-VM 1394 specifications summary CPU Chipset Front Side Bus Memory VGA Expansion slots Storage Audio LAN USB Rear panel BIOS features IEEE 1394 LGA775 socket for Intel® Core™2 Extreme / Core™2 Duo / Pentium® D / Pentium® 4 / Celeron® D Processors Compatible with Intel® PCG...

Motherboard Installation Guide - Page 11

P5L-VM 1394 specifications summary Special features Manageability Internal c o ... 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE, Chassis Intrussion 2 x USB 2.0 connectors for 4 additional USB 2.0 ports 1 x CPU fan connector 1 x Chassis fan connector 1 x 24-pin... form factor: 9.6 in x 9.6 in Device drivers ASUS PC Probe II ASUS Live Update utility Anti-virus software (OEM version...

Motherboard Installation Guide - Page 14

... 64-bit processors that provides high‑performance computing and faster memory access required for buying an ASUS® P5L-VM 1394 motherboard! Thank you start installing the motherboard, and hardware devices on it another standout in the long line of the most powerful and energy efficient CPU in the LGA775 package. Before you for memory...

Motherboard Installation Guide - Page 15

...21 for audio/ video appliances such as digital television, digital video camcorders, storage peripherals & other PC portable devices. DDR2 memory support The motherboard supports DDR2 memory which features data transfer rates of 667 /533 /400 MHz to meet the higher bandwidth... doubles the bandwidth of your system memory to 1-17 for a processor in packets. ASUS P5L-VM 1394 1-

Motherboard Installation Guide - Page 17

... handling components to avoid damaging them due to static electricity • Hold components by the edges to the motherboard, peripherals, and/or components. R P5L-VM 1394 P5L-VM 1394 Onboard LED SB_PWR ON Standby Power OFF Powered Off ASUS P5L-VM 1394 1- 1.4 Before you proceed Take note of the onboard LED. Failure to do so may cause severe damage to...

Motherboard Installation Guide - Page 18

... the power cord before installing or removing the motherboard. The edge with external ports goes to the rear part of the chassis as indicated in the correct orientation. Place this side towards the rear of the chassis R P5L-VM 1394 1- Chapter 1: Product introduction Failure to the chassis. 1.5 Motherboard overview Before you place it . Do not overtighten...

Motherboard Installation Guide - Page 20

...P5L-VM 1394 P5L-VM 1394 CPU Socket 775 Before installing the CPU, make sure that the socket box is facing towards you see any damage to the socket pins resulting from incorrect CPU installation/removal, or misplacement/ loss/incorrect removal of repair only if the damage is on the motherboard...Authorization (RMA) requests only if the motherboard comes with installation instructions for the ...

Motherboard Installation Guide - Page 33

... card installed on the PCI Express x16 slot. 1.8.6 PCI Express x1 This motherboard supports PCI Express x1 network cards, SCSI cards and other cards that you ... motherboard supports one PCI Express x16 graphics card. The figure shows a graphics card installed on the PCI Express x1 slot. ASUS P5L-VM 1394 1-21 1.8.4 PCI slots The PCI slots support cards such as a LAN card, SCSI card, USB ...

Motherboard Installation Guide - Page 35

... Bar). USBPW12 R P5L-VM 1394 12 23 +5V (Default) +5VSB USBPW56 12 23 +5V (Default) P5L-VM 1394 USB Device Wake Up +5VSB • The USB device wake-up feature requires a power supply that can supply at least 1A on the +5VSB lead for the rear USB ports (USB port 1-4). R P5L-VM 1394 KBPWR 2 1 +5V (Default) 3 2 +5VSB P5L-VM 1394 Keyboard Power Setting 3. USB device wake-up (3-pin...

Motherboard Installation Guide - Page 37

... port is removed to this connector, then connect the other VGA-compatible devices. 11. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices. 9. Insert one end of the floppy disk drive. P5L-VM 1394 Floppy Disk Drive Connector ASUS P5L-VM 1394 1-25 Audio 2, 4, or 6-channel configuration Port Light Blue Lime Pink Headset 2-channel...

Motherboard Installation Guide - Page 38

...-Select Master Slave Mode of the following modes to the motherboard's IDE connector, then select one of device(s) Master Slave Master Slave Cable connector Black Black Gray Black...blue connector to configure your device(s). If any device jumper is removed to PIN 1. 2. There are for Ultra DMA 100/66/33 IDE devices. PRI_IDE R P5L-VM 1394 PIN1 P5L-VM 1394 IDE Connector NOTE: Orient the...

Motherboard Installation Guide - Page 41

...R P5L-VM 1394 COM1 PIN 1 P5L-VM 1394 COM Port Connector The COM module is purchased separately. 7. R P5L-VM 1394 +12V TPB1+ GND TPA1+ GND +12V TPB1GND TPA1- 1 IE1394_2 P5L-VM 1394 IEEE 1394a Connector Never connect a USB cable... the system chassis. The IEEE 1394 module is purchased separately. ASUS P5L-VM 1394 1-29 Doing so will damage the motherboard! Connect the serial port module ...

Motherboard Installation Guide - Page 42

...compliant PSU passed the motherboard power requirement test with the following configuration: CPU : Memory : Graphics card : Parallel ATA devices : Serial ATA device : Optical drive : SCSI devices : Intel® ... a higher power rating if you intent to install additional devices. EATX12V EATXPWR GND +12V DC R P5L-VM 1394 P5L-VM 1394 ATX Power Connector GND +12V DC +3 Volts +12 ...

Motherboard Installation Guide - Page 43

...+ GND NC USB+5V USB_P8USB_P8+ GND NC R P5L-VM 1394 USB78 1 USB56 1 USB+5V USB_P5USB_P5+ GND USB+5V USB_P7USB_P7+ GND P5L-VM 1394 USB 2.0 Connectors Never connect a 1394 cable to a slot opening at the back of these connectors, then install the module to the USB connectors. ASUS P5L-VM 1394 1-31 Doing so will damage the motherboard! 9. Connect the USB module cable to...

Motherboard Installation Guide - Page 44

... P5L-VM 1394 Front Panel Audio Connector • We recommend that supports either HD Audio or legacy AC'97 audio standard. Chassis intrusion connector (4-1 pin CHASSIS) This connector is removed or replaced. 11. The chassis intrusion sensor or switch sends a high-level signal to use the chassis intrusion detection feature. See section "2.4.5 Onboard Device...

Motherboard Installation Guide - Page 49

... When the correct BIOS file is accessible by pressing + during POST to the floppy disk drive or the USB port. ASUS P5L-VM 1394 2- The... disk / USB flash disk that contains the BIOS file to display the following. You can support devices such as USB flash disk,...Power-On Self-Test (POST). Copy the original or the latest motherboard BIOS file to the bootable floppy disk. 2.1.2 ASUS EZ Flash...

Motherboard Installation Guide - Page 65

...P5L-VM 1394 2-19 Frequencies higher than CPU manufacturer recommends are not guaranteed to individually set overclocking parameters. Auto - loads the optimal settings for the CPU and other system devices...configuration options: Manual - JumperFree Configuration USB Configuration CPU Configuration Chipset Onboard Devices Configuration PCI PnP 2.4.1 JumperFree Configuration ...

Motherboard Installation Guide - Page 67

... if you to enable or disable the USB 2.0 controller. ASUS P5L-VM 1394 2-21 Configuration options: [Disabled] [Enabled] Legacy USB Support [Auto] Allows you to enable or disable support for operating systems without an EHCI hand‑off [Enabled] Allows you are running a Windows® operating system with USB device. 2.4.2 USB Configuration The items in HiSpeed (480 Mbps...