Question about Dell Latitude C640 Notebook

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MotherBoard gone wild

Hi i am trying to fix my usb port, i am a tech, i have been working with computer for 5 years but have a problem,

My dell laititude usb port is damage, i need to replace it or is there a another way to install a usb ports thougt this laptop

does someone have the blue-print for the laptop.....dell laitiude PP01L model

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You can replace it. But how good are you with Soldering?

The easiest (and least challenging fix) is to buy a PCMCIA USB 2.0 card. It'll fit right in your PCMCIA Slot and give you full USB 2.0 (I think your model is only 1.1 if I'm not mistaken)

They run about $20-$30 max for one of them. Just do an eBay search. They can also be ordered in at most computer and specialty laptop stores.

Posted on Oct 24, 2008

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2 Answers

I HAVE DELL LATITUDE D600 but the usb is not working.. power also not coming..i cant charge my phone also by using those USB port....Please tell what to do??


Your USB ports on your Dell computer are plug and play. If you have issues with your USB port, it is port related, driver related or device related. The following solutions will help you identify the problem to resolve your USB port issues.
To Identify a Working USB Port
Begin troubleshooting your USB ports by checking Device Manager to see if your USB ports or hubs are working properly.
  1. Click the Start button. ClickControl Panel.
  2. ClickSystem and Maintenance.
  3. ClickDevice Manager.
  4. Double-clickUniversal Serial Bus controllersand check to see if all your USB ports, hubs and controllers are functioning correctly. Any devices not functioning will have a yellow exclamation mark in front of them.
  5. If Device Manager shows any USB ports, hubs or controllers are not functioning, check for updated drivers.

To Update the USB Port Driver

An out-of-date BIOS driver can create issues with your system recognizing the USB port.
  • Watch a Video on Steps to Update Bios on Your Computer.
    1. When the update process is complete, your computer will restart again to load the operating system with the new driver version installed.

To Run a Diagnostic Test on your USB Port

Dell has an online diagnostic tool to help identify and fix issues with your system.
  1. Go to theDell PC Diagnosticpage
  2. UnderChoose a Diagnostic Type, selectHardware.
  3. Using the scroll bar on the right-hand side of the window below, locate the listing for USB.
  4. SelectUSB.
  5. ClickRun Diagnostics.
  6. Agreeto Terms and Conditions in Legal Statement.
  7. Follow the instructions to test each USB port.

Jan 05, 2015 | Dell PC Laptops

2 Answers

My dell latitude d600 usb ports stopped working how can i get it fixed. thans


If ALL the usb ports have stopped working, this is a problem with the USB controller. The short answer is that you cannot easily repair this. In all probability, the controller, or a circuit trace to it has blown or shorted. You would need to get another motherboard.

If one is still working, then you can get a PCIMCIA card to usb port that will give you 2-4 extra ports, but this will only work if at east one of your existing usb ports is still functioning

Aug 16, 2011 | Dell Latitude D610 Notebook

2 Answers

Dell xps m1330 has erratic usb ports. Sometimes they cease to work and then start again. After reboot most of the times they connect well with devices, but even then it's uncertain. Dell has changed the...


You need to update the BIOS of the computer. Log on to support.dell.com and look for the BIOS updates for your computer.
Once downloaded and saved on the computer run the update and leave the computer to complete the updated. It might restart a couple of times.
This should fix your issue.

Jul 31, 2010 | Dell XPS M1330 Notebook

2 Answers

My USB port power error message


This happens when anything draws over 500mA, of current, if it was working OK, before, and is working now but displays that message, or not working, well in any case it seems to have gone faulty, and somehow, is now drawing more current drain, the USB port can supply. It may have been spiked too.from all the plug/unplug especially if the safely remove hardware is not used.

May 06, 2010 | Dell Latitude C610 Notebook

1 Answer

Had dell motherboard replaced now the adapter for battery doesn't work or the usb ports on the left side. Can this be repaired


Hi there!

Yes that can be repaired!

Since you just got the motherboard replaced you can try
to update drivers, update the BIOS and the CHIPSET driver of your computer, these should fix that problem,
If not then there is something wrong with your motherboard.
You can download the latest BIOS and Chipset in support.dell.com

Hope these helps!

Apr 07, 2010 | Dell Inspiron 1525 Laptop

2 Answers

USB ports won't work after hard drive format


hi
well u can try installing an USB PCI card .You must also check the usb status through device manager.For more technical help you can visit at------http://robs-tech.blogspot.com/2009/06/get-technical-support-related-to.html

Jun 21, 2009 | Sony VAIO VGN-FS742/W Notebook

2 Answers

USB ports do not work, when printer etc attached, computer closes down


For the most part yes. Sounds like there is a short in the USB ports, causing the notebook to shut down. You can get around this by setting up a 'wireless print server' for your printer, which is about 120 bucks. if the laptop is already wireless compatable, which it should be. If Dell parts are running like they used to, they're probably quoting you about 700 for the part, and another 250+ for the labor. The print server will solve the printer issue, but other usb devices will not be usable on that machine without a new motherboard.

On the flip side, you can probably find a motherboard/cpu combo for that laptop on ebay for about 300 bucks cheaper then Dell wants for it, But unless you know how to change them out, you're still looking at about 200+ for labor depending on where you live. Don't accept a quote longer them 2.5 hours from a tech, it won't take longer then that if you don't have him reinstall your OS for ya.

Oh ya, new motherboard means windows won't boot properly, it's a piracy protection issue, and since SNs on the CPU will change, windows will have to reinstalled. most likely resulting in total loss of stored data with backup not being possibly unless you have another machine to network it to, since all external HDD and Flash Drives are USB.

Apr 30, 2009 | Dell INSPIRON 6000 CENTRINO...

1 Answer

Faulty USB Ports


Not in most Dell models. Most of the time they are on their own circuit board that pluge into the motherboard. It generally runs somewhere around $70, depending on the cost of the ports.

Aug 25, 2008 | Dell Inspiron 5160 Notebook

5 Answers

USB system is not working


nope..you can try to boot from an installtion cd..but without HI options(Human Interface) you may find it's locked..sounds a lot like the Motherboard went south.

You could try to reseat the memory, but that's a low probability approach to this sort of problem

Mar 30, 2008 | Acer Aspire 5100 Notebook

2 Answers

Keyboard stopped working


you could try getting a USB to PS/2 adapter, if you have a PS/2 port on your computer. if it is a Dell made in that last 2-3 yrs ir probably doesnt have PS/2. its worth a shot tho.
PS/2 ports are usually Green and Purple. if you do have two, you might go to your local Radio Shack and see if they have any. Let me know if it works.
About the driver, there is no driver for the keyboard, except the generic USB keyboard driver in Windows.
If the keyboard is truly dead you might just go buy another one (or trie to get one from Dell, if its under warranty).

Feb 28, 2008 | PC Laptops

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