原文地址 双灯闪烁在CQ40这类机器中比较常见，一般是开机加电屏无显示，加电10多秒后大小写和数字键盘灯开始闪烁，其实这些闪烁的次数是有含义的！就类似于台式机主板报警声一样，下面是惠普官方网站给出的报警次数含义：
为了简单点我就简单翻译成中文的如下:
闪1下：CPU故障
闪2下：BIOS损坏故障
闪3下：内存不能正常工作
闪4下：显卡不能正常工作
闪5下：主板出现故障
闪6下：BIOS验证失败 惠普英文官方网站的原文是这样滴： Meaning of Sample Blink Codes for some EFI
Notebooks Number of Blinks or Beeps Location of Blinking LEDs Component Being Checked Error Condition Continuous glow Battery power LED Battery The AC adapter is attached and the battery is
charging, but does not yet have sufficient charge to power the
notebook. 1 Caps Lock/Num Lock CPU CPU not functional 2 Caps Lock/Num Lock BIOS BIOS corruption failure 3 Caps Lock/Num Lock Memory Module error not functional 4 Caps Lock/Num Lock Graphics Graphics controller not functional 5 Caps Lock/Num Lock System board General system board failure 6 Caps Lock/Num Lock BIOS BIOS authentication failure Continuous blink AC power adapter LED Power adapter Insufficient power