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On other devices I have a ? mark next to PCI SERIAL PORT How to fix this

In device manager there is a ? besides PCI serial port where do I get the drivers for this?

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How to check fo faulty USB port


W 7
First, please disconnect all USB devices and then perform the following steps:
Click "Start" button, type "devmgmt.msc" (without quotation marks) in the "Search" bar and press "Enter". Click "Continue" if necessary.
In Device Manager, double click to expand "Universal Serial Bus controllers", right click on the Host Controller, click "Uninstall" and click "OK".
Repeat the step 2 to uninstall all items under "Universal Serial Bus controllers".

Then, restart your computer and Windows 7 will reinstall all USB controllers automatically.
for XP or earlier
Click start right click on computer select properties device manager scroll down universal serial bus controllers you could see a yellow question / exclamation mark? ! or a red X
you will need to update/reinstall drivers right click to reinstall drivers
if you can see your usb drive but its not working
ports (com&lpt) right click update driver if this fails to fix the problem
Check the USB leads that attach to the motherboard usually red white green black make sure they are securely seated and have no dust build up on them dust will cause static and a lot of unforeseen problems to a computer and its parts Check if USB Ports Are Damaged

USB ports are an important part of your computer's hardware.
Many devices connect to the computer via USB, such as music players, cell phones and digital cameras.
This connection lets you charge your devices and manage files on them.
When you connect a device to a USB port, it is typically recognized automatically.
If not, there may be a problem with the port. USB ports sometimes fail on their own, or they may be damaged by force.

Plug a variety of devices into the USB port you think is damaged.
If none of them work, the port is probably broken.
Connect the same devices to the USB ports on a different computer.
If they work, this is another indication your ports may be damaged.
Run Windows Update on your computer to ensure your devices and computer function together and have the latest drivers.
Click "Start," then type "Update" in the search bar.
Click on "Windows Update," "Check for Updates" and "Install Updates."

Open the Windows Device Manager by clicking "Start," then typing "device manager" into the search bar.
Click the Device Manager link when it appears.
Click on each of your USB ports.
In the Properties window, look for "This device is working properly."
If this is displayed for each USB port, they are not damaged, but there may be a problem with your device instead.
Click "Update Driver" next to each USB port in the Device Manager, and Windows searches for and installs the latest driver.
If one can't be found, go to your computer manufacturer's website, and download the driver there. Try to use the USB port again.
Sometimes, outdated or damaged drivers result in a non-working USB port.

Open your computer case by unscrewing or sliding off the side cover.
Use a can of compressed air to clean out the dust from inside, especially from within the USB ports.
If your USB ports are hooked up to the motherboard, remove the cable, then replace it.
These actions sometimes help to fix non-working ports.


http://askbobrankin.com/usb_ports_not_working.html

Sep 05, 2013 | Dell OptiPlex 780 Desktop Computer 1 x...

1 Answer

Hi sir, I need help on my pc, i install a usb 2.0 pci to usb card on the mother board but cant get it working, i have on device manager under other devices have an exclamation mark on universal serial...



click start control panel administrive tools computer management device manager scroll down universal serial bus controllers you could see a yellow question mark?

right click to reinstall drivers

if you can see your usb drive but its not working

ports(com&lpt)right click update driver if this fails to fix the problem

check the USB leads that attach to the motherboard usually red white green black make sure they are securely seated and have no dust build up on them dust will cause static and a lot of unforeseen problems for a computer and its parts

click start control panel administrive tools ,computer management ,device manager look through all of your devices if you see a yellow question mark?or exclamation mark ! or red x

right click to reinstall drivers

http://download.cnet.com/via-usb-2-0/3000-2098_4-10163319.html
Available in this download are drivers for VIA USB 2.0 host controller on a system running on Windows 98/98SE/Me. Due to licensing agreements, USB 2.0 drivers for Windows 2000/XP are not available for download. They are supplied on CD with new mainboards or available through Windows Update. This version is a bug-fixing release.

hope this helps

Jul 30, 2011 | NEC Televison & Video

2 Answers

My motherboard intel d915gav pci device not instal driver


You can download the motherboarddevice drivers from Intel WEB site. Select your model motherboard/device, andmake sure you select the Windows XP or Vista version of the drivers that
matches your Windows operating system. Please click on this link andselect your model motherboard : - http://downloadcenter.intel.com/default.aspx?iid=gg_support-au+home_downloadctr

Jun 29, 2011 | Intel D915GAV Motherboard

1 Answer

I recently downgraded from Win7 to XP i got all the drivers installed but when i check Device Manager there are 2 device with Yellow question marks namely: PCI Device and PCI Serial Port ive check on the...


The "PCI Device" and the "PCI Serial Port" could be a modem that lacks the device-drivers.
Access: http://WindowsUpdate.Microsoft.com and do a "custom" search.
When it completes, click "optional hardware updates", to see if Windows Update is offering any device-drivers for your hardware.

Feb 21, 2011 | Intel PENTIUM-4 865GV CHIP MOTHER BOARD...

2 Answers

My sound just quit and I was told that I would need a a new sound board or mother board?. can some one explain how that went out and is there nothing else that could be wrong with it before I go spend...


You should first check you have not accidentally muted it in both windows and on the speakers itself. Next go into Device Manager and check the sound driver is installed (no yellow exclamation marks can be seen).
If this has not resolved the problem then it is probably your soundcard. If you soundcard is integrated onto the motherboard then there may be further defects.
Check what internal ports you have free, there should be some long ports called PCI or PCI-e (not ports in line with the RAM). You can then buy a PCI/PCI-e sound card and it will just clip into the slots.
Hope this helps,
www.PuterCare.com

Jul 02, 2010 | Gateway GT5656 Desktop PC

1 Answer

My sund device wnt show up anywhere n my system(cmpaq evo usdt)


You should first check you have not accidentally muted it in both windows and on the speakers itself. Next go into Device Manager and check the sound driver is installed (no yellow exclamation marks can be seen).
If this has not resolved the problem then it is probably your soundcard. If you soundcard is integrated onto the motherboard then there may be further defects.
Check what internal ports you have free, there should be some long ports called PCI or PCI-e (not ports in line with the RAM). You can then buy a PCI/PCI-e sound card and it will just clip into the slots.
Hope this helps,
www.PuterCare.com

Jul 02, 2010 | Compaq Evo D510 PC Desktop

1 Answer

Tells me speakers not plugged in


Check that the speakers are plugged into the correct audio port, this is usually an apple green colour. Next go into device manager and check all drivers are installed correctly. Below is some further advice I wrote for another user.
You should first check you have not accidentally muted it in both windows and on the speakers itself. Next go into Device Manager and check the sound driver is installed (no yellow exclamation marks can be seen).
If this has not resolved the problem then it is probably your soundcard. If you soundcard is integrated onto the motherboard then there may be further defects.
Check what internal ports you have free, there should be some long ports called PCI or PCI-e (not ports in line with the RAM). You can then buy a PCI/PCI-e sound card and it will just clip into the slots.
Hope this helps,
www.PuterCare.com

Jul 02, 2010 | Dell Inspiron 531s Desktop Computer

2 Answers

Acer extensa 5620


i have laptop acer extensa 5620z, install windows xp professional os 32 bit, inside device manager open that time
Ethernet controller
Ethernet controller
Mass storage controller
Pci device
Pci device
SM Bus controller
Universal serial Bus (USB) controller
Universal serial Bus (USB) controller
biling the yellow(!) mark, and usb device put in the usb port not open how to solve this problem, please reply me, thankyou,
my email senthil_japan@yahoo.com

Jan 26, 2009 | Acer Extensa 5620 Notebook PC

2 Answers

Can not get online because of missing drivers for ethernet


do windows update custum scan least get driver for erther net on a cd from anther ok the custum scan then hardware add all

Feb 05, 2008 | Microsoft Windows XP Home Edition

1 Answer

PCI adapter did not install


I don't know how you could have installed the drivers BEFORE you installed the hardware... Shut down and UNPLUG the system; REMOVE the new PCI card, then hook up the power and boot the system back to the Desktop. Check the Device Manager to be sure you're not showing any problems; if everything seems back to normal, shut down and unplug the system a second time, then install the PCI card again, restore power, and prepare to reboot the system. Be SURE that ALL of the PCI cards are fully seated in the slots, and that the main power cable (from the PSU) is fully seated in the connector; IOW, check the system just to be sure that nothing has come loose while you've been working inside the case. Next, boot the system again; Windows SHOULD detect the new PCI card during bootup, though it might NOT request drivers, if they are already embedded within XP itself... Once you get back to the Desktop, open the Device Manager and check to be sure that the new card has been detected and properly installed. If you see any question marks, error messages, or exclamation marks, take detailed notes, and post that information here, so we can help you troubleshoot the problem... Good luck; I can only give you general advice about this, because you didn't provide any specific details about your new hardware, but with a little luck, you'll get everything working without any more heartburn...

Mar 31, 2007 | D-Link DU-520 - 5-Port USB 2.0 PCI Adapter...

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