Cannot Access Serial Port Mblaze Windows 7

This worked for me to solve the 'Can't select serial port' problem I was having with my Uno.I'm using Windows 7 64bit.This site had exactly what I needed: what it said about installing the 'drivers' for the Uno on Windows 7 (something I either forgot I did when I using my Duemilanove or just never knew):. Plug in your board and wait for Windows to begin it's driver installation process. After a few moments, the process will fail, despite its best efforts.

• Cannot Access Serial Port Mblaze Windows 7

Click on the Start Menu, and open up the Control Panel. While in the Control Panel, navigate to System and Security. Next, click on System. Once the System window is up, open the Device Manager.

Look under Ports (COM & LPT). Sorry to keep prolonging this thread, but I'm also running Win 7 64-bit on an HP Pavilion dv7. I also have a Toshiba Satellite T215D with 64-bit Win 7 and it shows the same results, so it isn't specifically the computer that's the problem.I'm trying to get started with Arduino, I have a Uno board and am running the 0022 IDE. When I plug the board into a USB port, the power light glows green, and the pin 13 ('L') LED flashes yellow. The Serial Port selection menu option is grayed out.When I go to Device Manager I see no Port options; the Arduino device does not show up at all. If I plug the USB cable into each of the USB ports there is no change to the Device Manager listing.

I see no 'Other Devices' option.I've used the Action - Add legacy hardware menu option to create three communications ports, COM3, COM4 and COM5. The system claims to have loaded the proper device drivers, but I've also right-clicked on each port and made sure that the system looked at the Arduino UNO.inf file.When I examine the device status of COM3, I get this message: This device cannot start.

(Code 10)When I examine the device status of COM4 and COM5, I get this message: Windows cannot determine the settings for this device. Consult the documentation that came with this device and use the Resource tab to set the configuration. (Code 34)I've set the serial.port value in the Arduino preferences.txt file to COM3, COM4 and COM5 in turn, and each time I try to upload the Blink example I get this message:processing.app.SerialNotFoundException: Serial port 'COMx' not found. I downloaded Arduino-0022 and installed it on a netbook running Windows XP SP3, then hooked up the Uno. Same results, or more correctly, same lack of results.

No indication that the board is connected, no ports in Device Manager, no attempt to load a driver. I disconnected the board and swapped in a new CPU, then hooked it back up to the USB port.

Cannot Access Serial Port Mblaze Windows 7

Still no joy.So apparently it's the board, probably the USB chip.What's my next step? Is the board still usable by programming using older techniques (like the ICSP connection), or do I salvage the chip, toss the board and get a new one? Or get a new hobby?Thanks for your time. It's definitely the board. I got a new Arduino Uno and followed the directions in 'Getting Started' (per scobot above), found the Arduino Uno listed under 'Other Devices' and installed the driver software.

When that was done I uploaded the Blink example, then changed the delay time from 1 second to 3 seconds and uploaded again. Everything works just as it should.So now the question is the same as before: What do I do with the bad board? Is it still capable of being programmed, or should I just salvage the chip and any other removable parts, cut my losses and move ahead?Thanks for your time and attention.