I have connected seagate free agent 500gb hard disc to my laptop hp dv2119tx through the usb port.
both the devices are usb 2 compatible, yet i dnt get the desired speed of 480mbps while data transfer or nething.
same problem is with sandisk 2gb pen drive also.
the error is usually, " the device is connected to a low speed port. connect to higher speed port, for better results"
pls help me to use the full potential of usb 2.0
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Re: usb 2.0 error
Did you connect directly to your laptop or you connected via external USB Hub?? Your notebook model should support USB 2.0 ...so it should not face the problem you post..unless you're not connecting it directly.
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Shouldn't be a problem. With the drive installed in your laptop, insert your windows disc and it will do it for you or if USB, plug it all in and get to Control Panel. Select Administrative tools. Choose Computer management and then under Storage choose Disc Management. There will be your drive. You must initialize it first then format it. Hope that helps.
This error message could be a faulty hard disk or a faulty disk controller.
Reseat the hard disk to see if the problem is fixed.
If not go into the BIOS settings and check if the BIOS can detect the hard disk.
If the hard disk is not detected then remove the hard disk and connect it to an USB hard disk adapter and connect it to a working computer's USB port. If the this computer cannot detect it as an external hard drive then the hard drive is faulty. Then the Acer needs a replacement hard disk and Windows installed together with the laptop's device drivers and programs etc.
One or more of the hints below will probably sort out most USB problems with most USB portable / external hard drives and OTHER devices (though not always)
A few things to check but assumes USB and Windows for other interfaces / operating systems (mac/ Linux) similar steps may be adapted to suit.
1. Ensure it is connected directly to the computer to a USB 2.0 port not a USB 1.0 port as this can have effects on performance and reliability
2. Use only the cables that came with it NOT one that fits that may have been lying around or is longer. Not all USB cables are equal even though they should be)
3. Do not connect through an external USB HUB unless that hub is USB 2.0 AND has its own power supply.
4. Use ONLY the power supply that came with it if it has an external power supply Don’t use any other unless you know it has both the same voltage and current rating e.g. 12V 500mA anything rated below that would not work properly.
5. Always use the same port for connecting your devices. Some devices do not like being switched about. If switched they may want to install software / drivers again. This can be especially true if you move a HUB to another port 6. For FLASH DRIVES you should ensure that the device is set for "quick removal" using the drive control panel properties or use the USB "Safely Remove Hardware" option. If you dont do this there is a very strong chance that any files you transfer may not be there when you plug into another computer.
If you checked and fixed anything there and still have issues then check your hardware from CONTROL PANEL / SYSTEM / HARDWARE. Any exclamation marks by hardware need fixing before you investigate any further
USB flash drives can fail for no apparent reason. Sandisk Cruzers are especially bad for this.
USB hard drives should be treated with extreme care. This is a real hard drive ! and knocks and bumps can quite literally kill them.
It is possible to remove drives from the enclosures in most cases and connect directly inside a PC to fully check it. You should also do this to cheack the drives connections are not bad inside the enclosure
Note that if you hear a drive clicking or pinging this could be the worst thing you would hear. Known as "The Click Of Death"
If none of the above steps help look at updating the drivers from the manufacturers web site in the support section.
When you created a partition on the new hard drive, did you make the partition active?
A partition that has not been activated can be formatted and Windows installed, disk check etc. but will not boot up.
You can make the partition by booting up in DOS with either a floppy disk or a boot CD and run the DOS command "fdisk" and navigate to Set the partition active.
Delete the 54GB partition it made and try formatting again. dont do a quick format. Make sure to not interrupt it. if its the type with 2 usb plugs try plugging them into 2 ports that are furthest away from each other. USB devices are usualy 5v and can be powered by the extra usb plug sometimes using 2 on the same channel doesnt have enough juice and it will error formatting or copying large files.
If that doesnt fix it return it for an exchage, sometimes drives are fualty but its not likely to happen twice in a row.
1st prob. - I appears there is a loose connection problem somewhere - try reseating your RAN and hard disk.
Try to determine which part of the laptop is causing the problem, not moving the laptop around the room but by flexing different parts of the laptop and power cable etc. while it is on your table.
2nd prob -
Some USB devices draw more power than the USB port can provide and you get the error message - "exceeded power limit".
In these cases you will need to purchase a powered USB hub, connect this hub to the laptops USB port and connect the offending USB device into the powered USB hub.
You can connect to the Internet using your DSL wireless router by several methods.
1. If your HP has a LAN port the you can connect to your wireless router with a LAN cable (provided you have a spare LAN port on the router.
2. You can use a USB wireless adapter to connect to the wireless router.
3. You can use a PCMCIA wireless card to connect to the wireless router.
Both the wireless USB and PCMCIA wireless adapter are approx. $50, my preference is to use a PCMCIA adapter, it leaves the USB port free for other devices,such as USB memory sticks, especially if the laptop has only one USB port.