两年前因只有光纤输出的 Alienware Alpha 初代机入了块创新 Sound Blaster E5 解码耳放，最后当成一块 USB 声卡在用。
大概是创新的硬件设计懵逼了一把，历经了三次固件更新后，E5 在电脑关机后仍不会自动关机，而是一直保持工作加充电状态。
于是……不出所料在半年前发现它内置的锂电池不堪长期的过度充电而鼓包了，而创新在大陆的保固期为一年……
在电池爆炸起火的隐患中又使用半年后，刚发现创新美国官网在这个月初更新了 171003 版固件，曲线解决了此问题。
奇怪的是中文官网未更新此版固件。
固件下载地址：点此下载
以下摘自创新美国官网：
File Name : SBE5_PCFW_EN_171003.exe
This download contains an updated firmware for Sound Blaster® E5. For more details, read the rest of this web release note.
This download supports and is applicable for the following hardware:
Sound Blaster E5
此固件更新适配于 创新 Sound Blaster E5 便携耳放
What's New:
Device enters deep sleep power saving mode after more than 2 hours of idle time when connected to PC/Mac
新功能：
连接PC/MAC使用时，如超过两小时闲置则自动休眠。
Fixes:
Allow restoration to SPDIF-Direct out if it is the last set setting
Requirements:
Microsoft® Windows 10 32-bit or 64-bit, Windows 8.1 32-bit or 64-bit, Windows 8 32-bit or 64-bit, Windows 7 32-bit or 64-bit, Windows Vista® 32-bit or 64-bit
Notes:
WARNING: Please ensure that the driver is installed before running the firmware upgrade. Do not unplug your device or restart your PC until full installation is completed.
To install the firmware, do the following:
1、Download the file onto your local hard disk.
Ensure that your device is connected to your computer.
2、Double-click the downloaded file.
Follow the instructions on the screen.
3、Upon successful firmware upgrade, shut down your device by holding the the Power button for 4 seconds (LED off).
4、Turn your device back on by holding the Power button for 1 second (LED on).
固件更新步骤：
1、下载固件更新安装文件，将 E5 连接到电脑。
2、双击固件更新安装文件，依提示安装更新。
3、固件更新安装完成后长按电源键4秒关闭 E5。
4、长按电源键1秒重新开启 E5。