# Pironman 5 - undervoltage issues

**URL:** <https://forum.sunfounder.com/t/pironman-5-undervoltage-issues/1810>\
**Category:** General\
**Created:** [October 13, 2024, 2:22pm UTC](https://forum.sunfounder.com/t/pironman-5-undervoltage-issues/1810 "2024-10-13T14:22:05Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![slippy773](https://yyz1.discourse-cdn.com/flex029/user_avatar/forum.sunfounder.com/slippy773/32/997_2.png) [@slippy773](https://forum.sunfounder.com/u/slippy773)\
**Post date:** [October 13, 2024, 2:22pm UTC](https://forum.sunfounder.com/t/pironman-5-undervoltage-issues/1810/1 "2024-10-13T14:22:05Z")

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Hi there,

I just bought a Pironman 5 plus power adapter and assembled it. Now when I power it on, it boots into Raspbian but as soon as I connect a keyboard and/or mouse it almost immediately goes into “undervoltage detected”. How can that be? Because I bought the Pironman power supply, too …

Besides that, I have no clear pointers that either a mouse nor a keyboard work … Any help/advise?

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**Author:** ![Weirdyguy](https://avatars.discourse-cdn.com/v4/letter/w/d78d45/32.png) [@Weirdyguy](https://forum.sunfounder.com/u/Weirdyguy)\
**Post date:** [October 13, 2024, 3:05pm UTC](https://forum.sunfounder.com/t/pironman-5-undervoltage-issues/1810/2 "2024-10-13T15:05:29Z")

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Is there wired or wireless keyboard\mouse? By my side, I use wireless and I didn’t get any issue. Do you have original pi5 power supply 27w PD?  
You can even take a look into raspberry configuration \performance to unable usb current limitation.

Or if you can access to your pi5 by SSH or VNC, try to update all system and kernel  
sudo apt-get update && sudo apt full-upgrade  
sudo rpi-update and reboot.

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<div class="post-metadata">

**Author:** ![slippy773](https://yyz1.discourse-cdn.com/flex029/user_avatar/forum.sunfounder.com/slippy773/32/997_2.png) [@slippy773](https://forum.sunfounder.com/u/slippy773)\
**Post date:** [October 13, 2024, 3:23pm UTC](https://forum.sunfounder.com/t/pironman-5-undervoltage-issues/1810/3 "2024-10-13T15:23:51Z")

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I am using the one, which you can buy along in the Pironman bundle … It says “Combo: Pironman+5.1V5A 27W Power Adapter (EU)” … hence I would have expected to see no issue at all in that direction 🤔

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**Author:** ![Weirdyguy](https://avatars.discourse-cdn.com/v4/letter/w/d78d45/32.png) [@Weirdyguy](https://forum.sunfounder.com/u/Weirdyguy)\
**Post date:** [October 13, 2024, 3:32pm UTC](https://forum.sunfounder.com/t/pironman-5-undervoltage-issues/1810/4 "2024-10-13T15:32:20Z")

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Good news, you have the appropriate power supply. Now the question is, are you using wired or wireless keyboard \mouse?

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<div class="post-metadata">

**Author:** ![slippy773](https://yyz1.discourse-cdn.com/flex029/user_avatar/forum.sunfounder.com/slippy773/32/997_2.png) [@slippy773](https://forum.sunfounder.com/u/slippy773)\
**Post date:** [October 13, 2024, 4:05pm UTC](https://forum.sunfounder.com/t/pironman-5-undervoltage-issues/1810/5 "2024-10-13T16:05:10Z")

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For my first test I connected my apple keyboard via usb to the pironman … For the mouse, I would have a wireless one … However, I am having hard times to let it look for a bluetooth device when I cannot navigate at least with my keyboard 😅

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<div class="post-metadata">

**Author:** ![Weirdyguy](https://avatars.discourse-cdn.com/v4/letter/w/d78d45/32.png) [@Weirdyguy](https://forum.sunfounder.com/u/Weirdyguy)\
**Post date:** [October 13, 2024, 6:59pm UTC](https://forum.sunfounder.com/t/pironman-5-undervoltage-issues/1810/6 "2024-10-13T18:59:04Z")

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You can connect with vnc, idk if there apple apps VNC, with it you can control pi with your phone.

> **[Download the combined RealVNC Connect installer - RealVNC®](https://www.realvnc.com/en/connect/download/combined/?lai_vid=kr9LKe0e2fgym&lai_sr=10-14&lai_sl=l)**
>
> Enable remote connections between computers by downloading RealVNC® Connect