无法安装USB下载驱动

##### EmbedSky BIOS for SKY2440/TQ2440 #####
Press Space key to Download Mode !

#####    Boot for Nor Flash Main Menu   #####
#####     EmbedSky USB download mode     #####

[1] Download u-boot or STEPLDR.nb1 or other bootloader to Nand Flash
[2] Download Eboot (eboot.nb0) to Nand Flash
[3] Download Linux Kernel (zImage.bin) to Nand Flash
[5] Download CRAMFS image to Nand Flash
[6] Download YAFFS image (root.bin) to Nand Flash
[7] Download Program (uCOS-II or TQ2440_Test) to SDRAM and Run it
[8] Boot the system
[9] Format the Nand Flash
[0] Set the boot parameters
[a] Download User Program (eg: uCOS-II or TQ2440_Test)
Download LOGO Picture (.bin) to Nand  Flash
[l] Set LCD Parameters
[n] Enter TFTP download mode menu
[o] Download u-boot to Nor Flash
[r] Reboot u-boot
[t] Test Linux Image (zImage)
[q] quit from menu
Enter your selection:




进入这个界面后,把USB线与电脑相连.电脑显示为
无法识别的USB设备,  这是怎么回事啊???

关掉你的杀毒软件，然后重新插拔USB线。

我发现了  不是杀毒软件的问题   用最新的UBOOT电脑就会无法识别   用JLINK烧写以前的UBOOT就可以,,,,最新的东华3.5的好象烧不进去啊???

烧写不了，出现什么错误信息呢？

USB 驱动一安装就蓝屏哦！我的也是 到底怎么办啊？