sp32板子,在arduino上无法烧录:A fatal error occurred: Timed out waiting for packet content,如何解决?

新买的esp32板子,在arduino上无法烧录,百度很多方法了:
1、用g0口接地
2、下载时,一直按boot健
3、同时按rst健与boot健

以上对我都不成功

以下是出现的异常:
项目使用 213710 字节(16%)的程序存储空间。最大值为 1310720 字节。
个全局变量使用 13496 个字节(4%)的动态内存,剩下 314184 个字节用于局部变量。最大值为 327680 字节。

esptool.py v3.0-dev
Serial port COM7
Connecting....
Chip is ESP32-D0WD-V3 (revision 3)
Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme None
Crystal is 40MHz
MAC: a8:42:e3:c9:c6:6c
Uploading stub...
Running stub...
Stub running...
Changing baud rate to 921600
Changed.
Configuring flash size...
Warning: Could not auto-detect Flash size (FlashID=0xffffff, SizeID=0xff), defaulting to 4MB
Compressed 8192 bytes to 47...

A fatal error occurred: Timed out waiting for packet content
上传失败: 上传错误:exit status 2

img

按住boot再通电,然后放开boot