# Difficulty Connecting Serial to PC
**URL:** https://forum.xod.io/t/difficulty-connecting-serial-to-pc/6551
**Category:** Uncategorized
**Created:** [April 27, 2023, 8:45pm UTC](https://forum.xod.io/t/difficulty-connecting-serial-to-pc/6551 "2023-04-27T20:45:49Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@hummer1](https://forum.xod.io/u/hummer1)
#### Post date: [April 27, 2023, 8:45pm UTC](https://forum.xod.io/t/difficulty-connecting-serial-to-pc/6551/1 "2023-04-27T20:45:49Z")
Arduino MEGA
When trying to upload, here is the log…it ends with the comm port timing out.
* * *
ploading compiled code to the board…
Waiting for upload port…
No new serial port detected.
“C:\Users\docto\xod\ __packages_\_\packages\esp8266\tools\python3\3.7.2-post1/python3” -I “C:\Users\docto\xod\__ packages_\_\packages\esp8266\hardware\esp8266\3.1.2/tools/upload.py” --chip esp8266 --port “COM3” --baud “115200” “” --before default\_reset --after hard\_reset write\_flash 0x0 “C:\Users\docto\AppData\Local\Temp\xod\_temp\_sketchbookDYduQW\xod\_1682628099105\_sketch\build\esp8266.esp8266.gen4iod/xod\_1682628099105\_sketch.ino.bin”
* * *
at the end of the port time out message was this information.
(\*\*\*\*\*\*\*\*\*\*\*\*
A fatal esptool.py error occurred: Failed to connect to ESP8266: Timed out waiting for packet header
Help someone? Thanks.
esptool.py v3.0
Serial port COM3
Connecting…
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### Author:  [@hummer1](https://forum.xod.io/u/hummer1)
#### Post date: [April 28, 2023, 2:19pm UTC](https://forum.xod.io/t/difficulty-connecting-serial-to-pc/6551/2 "2023-04-28T14:19:20Z")
Fixed: Corrected the selected baud rate. Corrected the device type. Works fine so far. Thanks.
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### Author:  [@system](https://forum.xod.io/u/system)
#### Post date: [April 30, 2023, 2:20pm UTC](https://forum.xod.io/t/difficulty-connecting-serial-to-pc/6551/3 "2023-04-30T14:20:21Z")
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