咨询各位大神，绿豆nspire 右上角亮绿灯表示什么意思

mrlgs

无法进入系统，进度条到一半就白屏了，通电右上角亮绿灯，正面看是左上角，按开机键这个灯就灭掉
但是不进系统

mrlgs

各种组合键都用了，什么也进不去

mrlgs

好不容易进入刷机boot2 界面竟然是下面的错误
Last boot progress: 41864
Clocks:  CPU = 90MHz   AHB = 45MHz   APB = 22MHz

Available system memory: 37292
Checking for NAND: NAND Flash ID: Samsung K9F5608Q0C
PM is turning the device OFF
PM has turned the device ON
SDRAM memory test:   Pass
Clearing SDRAM...Done.
Clearing SDRAM...Done.
Clearing SDRAM...Done.
Boot option: Download Boot2

Keypad request - installing BOOT2 software...

Checking battery level.
Battery level is OK.

Ready to download BOOT2 software...

Begin XMODEM file transfer.
Download error: 255BOOT1 Error:
Halting boot due to download error.Shutdown: Critical Voltage detected.

mrlgs

直接开机是这样的
PM has turned the device ON
SDRAM memory test:   Pass
Clearing SDRAM...Done.
Clearing SDRAM...Done.
Clearing SDRAM...Done.
Boot option: Normal

Loading BOOT2 software...

99%
BOOT1: loading complete (309 ticks), launching image

mrlgs

Boot Loader Stage 1 (1.1.8916)
Build: 2007/4/23, 23:37:16
Copyright (c) 2006, 2007 Texas Instruments Incorporated
Using production keys

Last boot progress: 0
Clocks:  CPU = 90MHz   AHB = 45MHz   APB = 22MHz

Available system memory: 37292
Checking for NAND: NAND Flash ID: Samsung K9F5608Q0C
SDRAM memory test:   Pass
Clearing SDRAM...Done.
Clearing SDRAM...Done.
Clearing SDRAM...Done.
Boot option: Normal

Loading BOOT2 software...

99%
BOOT1: loading complete (299 ticks), launching image.