用 SD 卡恢复工具 SD Formatter 试试看
https://shumeipai.nxez.com/2013/09/07/raspberry-pi-under-windows-system-installation-to-sd-card.html
求助！树莓派4B安装ubuntu21系统断电后无法进入系统，有没有大神知道怎么救
**树莓派4B安装ubuntu21系统断电后无法进入系统，执行fsck命令修复后提示仍有错误<br>想着把SD卡格掉重新烧录，但是现在SD卡也无法格式化，只能读，不能写，里面的文件也无法删除(删除后，依然在),<br>是SD卡损坏了吗，还是分区被锁了,求大神指教**
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@Spoony **这个工具试过了，格式化失败，然后在桌面生成了一个debug.txt，文件里是下面这样写的**
```
FSTYPE:exFAT
FSCLUSTERSIZE:131072
DEVICETOTALBYTES:127848677376
FSTOTALBYTES:127831900160
FSBYTESFREE:127831506944
FSLABEL:system-boot
PROGRESS:0/100 Overwriting the beginning of the device with zeroed data...
PROGRESS:3/100 Overwriting the beginning of the device with zeroed data...
PROGRESS:3/100 Overwriting the end of the device with zeroed data...
[WARNING] Error during write. Sleeping 0 seconds and retrying write (1 retries left). Error: 22 (Invalid argument)
[ERROR] Partial write of padding (0 < 1048576) to offset 127864406016. Aborting.
[ERROR] Error filling trailing part of device with zeroes: 5 (Input/output error)
[ERROR] Error while writing volume structures: 5 (Input/output error)
Formatting failed!
```
```
FSTYPE:exFAT
FSCLUSTERSIZE:131072
DEVICETOTALBYTES:127848677376
FSTOTALBYTES:127831900160
FSBYTESFREE:127831506944
FSLABEL:system-boot
PROGRESS:0/100 Overwriting the beginning of the device with zeroed data...
PROGRESS:3/100 Overwriting the beginning of the device with zeroed data...
PROGRESS:3/100 Overwriting the end of the device with zeroed data...
[WARNING] Error during write. Sleeping 0 seconds and retrying write (1 retries left). Error: 22 (Invalid argument)
[ERROR] Partial write of padding (0 < 1048576) to offset 127864406016. Aborting.
[ERROR] Error filling trailing part of device with zeroes: 5 (Input/output error)
[ERROR] Error while writing volume structures: 5 (Input/output error)
Formatting failed!
```
应该是卡坏掉了
用U盘启动吧，4B支持USB启动
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