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Re: usb device not recognized
If your laptop is running Windows ME, 2000, XP or above, it should automatically do the New Hardware thing, and mount the drive. If using Windows 98se, you can probably get the drivers from the vendors web site.
Sometimes a usb port will not provide enough power for a specific device. Does the thumbdrive work in other computers? And do other USB devices work when connected to the laptop?
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.- what kind of toshiba you have?
Normally, if you have a bootable USB stick (and your BIOS recognize this kind of device) insert it and give it a try.
Or, insert a bootable CD/DVD into your CD/DVD tray and boot.
Once the operating system was booted from any of those devices, proceed with installation of the operating system on your HDD. Good Luck!
Follow the steps given below to refresh USB ports.
1. Right-click My Computer icon on the desktop, and then select Properties. 2. Click the Hardware tab. 3. Click the Device Manager button. 4. Click the plus (+) sign to the left of Universal Serial Bus controllers. 5. Right-click the device listed under Universal Serial Bus controller and select Uninstall. 6. Click OK to confirm the removal of the device.
Please note, repeat Steps 5 and 6 until all the devices under Universal Serial Bus Controller are removed.
7. Shut down the computer.
CAUTION: Ensure that the Shut Down option is selected, instead of the Restart option.
8. Wait for 5 seconds and then restart the computer. When the computer restarts, a "Windows has detected new or added hardware" message window will open.
The above steps will refresh the USB ports.
Now connect the USB devices like mouse, video camera, your external usb hard disk...usb hubs...whatever you like and the drivers should install automatically.
similar story trying to fix friend's 5420. She had trashed Vista and lost any&all original discs. Well, who needs vista anyway...it's not one of M$'s better efforts. TRY THIS, download LinuxMint from a reliable source, burn a "live CD". put into drive, boot machine, during boot press "Alt"+"F12", select CD to boot from. See how it feels.
Wait couple minutes for boot to finish then manually click on tiny icon next to network icon to load wireless driver, (don't ask...), on bottom right of screen.
Learn some new stuff, toss some windows. enjoy.
You mentioned that you uninstalled the unknown device from the Device manager. If you uninstall it then connected your usb flash drive you will see an error again on your device manager. This means that the driver for your usb port is not properly installed.
To install it, visit dell website, look for the model of your machine and locate the driver, download it then install from your machine.
I would request you to try with the following steps:
If u are using Windows XP as ur operating sysyem please perform with the folowing steps:
1.Right click on My Computers 2. click on Manage 3. click on Device manager 4. In the right side u find all options of the hardware components installed in ur notebook 5. Find for the option Universal serial Bus controllers 6. Find whether any yellow mark is there on that option or sub options of that menu especially on USB Root hubs. 7. Right click on the USB Root hub (all) present in that menu and click on disabe option and then wait for some time 8. After few minutes Right click on the USB Root hub (all) present in that menu and click on enable option and then wait for some time 9. Now Restart the note book and check
If u think that an yellow mark is present on any of the option then please right click on the particular option and click on update drivers and follow the steps as per mentioned in that particular window.
If you upgraded from XP to Vista and didn't exceed the minimum system requirements for Vista, then that is why your laptop is "struggling to work". You should have done a compatibility check before the upgrade to see what upgrades you might have needed to install Vista, such as RAM (usually adding the maximum amount of RAM that your MotherBoard will accept/recognize will get you going with Vista. Otherwise to get your laptop back to speed you can reinstall XP (XP runs on a lot less resources than Vista requires). You mention a graphics card, and I can't imagine one that would require you to upgrade to Vista yet, though I could be wrong. Good Luck.