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Cannot access any of the USB or DVD drives

ACER Power series desktop
Anything I plug into the USB drive to read has a message say access is denied drive not accessible. DVD drive will not read discs either. But the printer still works and that uses the USB. Not sure what to do.

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Re: Cannot access any of the USB or DVD drives

Check under Device Manager in your PC properties, you may have "Enhanced USB" disabled.

Posted on Jan 24, 2008

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Pen drive access denied

USB ports and devices make connecting to another computing device convenient.
USB technology has been around since 1996, and is a feature found on most modern computing devices.
If your device is denied access to one of its USB features, do some troubleshooting to isolate and resolve the problem.
Some computers come with a security feature that automatically denies access to a USB device, such as a flash drive, if harmful content is detected.
Installing an anti-virus software application and regularly scanning the computer and any connected USB devices can help you avoid experiencing denied access to a USB device.
Avoid opening USB flash drive files that you cannot identify or do not recognize, as these types of files are how viruses find their way onto unprotected computers.


Inserting an incompatible device into your computer's USB port can also cause you to be denied access to your device's USB features.
For instance, if your computer supports USB 1.0 technology and you insert a USB 2.0 or USB 3.0 connector, the computer can experience interfacing problems that may cause a "USB access denied" prompt or situation.
If other USB devices begin to malfunction after inserting an incompatible USB cable into your computer, turning the computer off and back on again may resolve the situation.

USB flash drives, also known as pen or thumb drives, are among the most common types of USB devices used in conjunction with computers.
Most USB flash drives are formatted using one of three types of formatting methods: FAT16, FAT32 or NTFS.
If you've formatted a USB flash drive using one method, used it on the computer and then reformatted the drive using another method, you can be denied access to the flash drive through the computer's USB port.
Wiping the flash drive clean and reformatting it again can resolve this type of problem.


Many computer accessories, including printers and pointing devices, connect through the machine's USB ports and can interface interchangeably with multiple computing devices.
This feature increases the risks of picking up viruses and experiencing unauthorized reformatting. Limiting the amount of computers your USB devices accesses can help you avoid these situations.
Damaged USB cables can also make it impossible to access USB devices when they are connected to your computer.
USB cable damage usually occurs at the points where the cable and its connectors meet. Replace any damaged USB cables.
You have to be the computers administrator to change any values on any hard drive on your computer.
Click start control panel user accounts on the users tab click the name of the computer Administrator you must have full control.
Click start click to open on my computer you should see your usb drive could be E: or something right click select properties there will be an array of options
select the sharing tab option then advanced sharing make sure you have a tick in the share this folder box then click permissions make sure you have all 3 boxes ticked full control changes and read in windows 7
If you are running a Windows XP OS then you might be able to:
Click start right click on my computer select open
Right click the icon of your Flash Drive (It should be F:/ or something)
Click Properties in the menu that comes up
Click the Sharing tab
Click permissions
And finally, click Allow next to Full Control.

Sep 06, 2013 | PC Desktops

1 Answer

Acer Desktop USB & DVD Drive Access Denied

ok e lock is i think is a software of acer, you need to put the password of elock on your usb port, before u acess that.

Sep 08, 2009 | Acer Power 1000 PC Desktop

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Acer M1100 Desktop w/ a different HDD and Optical will not boot

Disconnect the hard drive and dvd from the motherboard
Power on
If you get video and cmos access power off and connect dvd
repeat and connect hard drive
getting video and cmos access has nothing to do with the hard drive...with no hard drive or optical drive you still would have access to cmos
go 1 step at a time to find bottle neck

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Cannot use usb port in an acer power sk30 desktop.

The os need to repaired or reinstalled.

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No usb ports are working,dvd drive do not burn.

If you are having multiple component issues you should probably check if the motherboard isn't acting up; usually this is the solution to many problems at one time since the motherboard keeps everything running together smoothly.

Check the inside of your CPU for dust and also check your configuration (via My Computer and right clicking on the appropriate drive) of your DVD writer.

Hope this helps!

Dec 27, 2008 | Acer Aspire M1100-U1402A Refurbished AMD...

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I am unable to use cd/dvd drives & usb

log in as administrator und use the user management control in control panel to enable your account to a power user

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Acer E-lock program

It depends on the version of the program but just try

start -> run (or hold the windows key and then press r)
type in services.msc

in services listing find the acer service, right click, disable
the startup mode and stop it. restart the pc. You may need to
give the dvd drive or usb drive a new letter from the computer
management. but, unplug the usb devices, and after restart
just plug them back in.


Sep 25, 2008 | Acer Aspire™ T180 PC Desktop

1 Answer

Pen drive:access problem

There should be a lock and unlock button on the pen drive itself make sure it is in the unlock position.
Keep me posted.

Jun 21, 2008 | PC Desktops

8 Answers

Acer e lock activated??????????????

I have a working workaround solution to this problem - save yourself 100usd (what acer requests from the unlocking) and press the ask me button to send me the free(FREE POST TO FORUM) request, Il give you the workaround, will take less than 10 minutes to solve the problem, really not worth it to pay 100usd for something this silly.

Il possibly soon make a video tutorial on how its done but for now, send me a request and il tell you how to get rid of the problem.

Jan 05, 2008 | PC Desktops

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