There should be some log messages either during initialization or when you attempt to connect the power provider up to the OC Power converter. If so these may be helpful. I'm not sure about 1.10, but RF and EU mods work just fine in 1.7.10 so I'd expect them to continue to function

I'm seeing the same issue with OpenComputers-MC1.10-1.6.0.2-beta.4.jar Tried direct connect with EnderIO generator, then with EnderIO conduit, then tried to use OpenComputers energy converter. none of them would connect.

do the computers register that the require power? Please check the logs for any messages about what's going on

I'm seeing no messages of this nature in the in game chat, game output, or log file. Analyzer output isn't helping either.

I'm wondering if maybe they've completely switched to capabilities... will look into it when I'm back.

Tried a generator from IndustrialCraft found this in the fml-server-latest.log, hope it helps:

[14:53:27] [Server thread/WARN] [OpenComputers/]: Error in scheduled tick action. java.lang.ClassCastException: li.cil.oc.common.tileentity.Case cannot be cast to ic2.api.energy.tile.IEnergyTile at li.cil.oc.common.EventHandler$$anonfun$scheduleIC2Add$1.apply$mcV$sp(EventHandler.scala:116) ~[EventHandler$$anonfun$scheduleIC2Add$1.class:?] at li.cil.oc.common.EventHandler$$anonfun$onServerTick$1.apply(EventHandler.scala:161) [EventHandler$$anonfun$onServerTick$1.class:?] at li.cil.oc.common.EventHandler$$anonfun$onServerTick$1.apply(EventHandler.scala:160) [EventHandler$$anonfun$onServerTick$1.class:?] at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33) [IndexedSeqOptimized$class.class:?] at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186) [ArrayOps$ofRef.class:?] at li.cil.oc.common.EventHandler$.onServerTick(EventHandler.scala:160) [EventHandler$.class:?] at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_404_EventHandler$_onServerTick_ServerTickEvent.invoke(.dynamic) [?:?] at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:68) [ASMEventHandler.class:?] at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:159) [EventBus.class:?] at net.minecraftforge.fml.common.FMLCommonHandler.onPreServerTick(FMLCommonHandler.java:274) [FMLCommonHandler.class:?] at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:602) [MinecraftServer.class:?] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471) [MinecraftServer.class:?] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_91]

Edit: No error / console output while trying RF Power (conduits just won't connect)

bug MINOR! I can't use anything from the mod!

@samuelroy21, it's "minor" as it's hopefully relatively easy to fix. It's not fixed already because @fnuecke is busy and hasn't got much spare time to actually work on it.
Hopefully he gets some free time soon, so he can actually work on OC (and other things)! 😛

It's worth noting that you're running the current Beta of OC, and on top of that, the first release for MC 1.10, it being broken (even in a way that makes it unusable in survival) is not that surprising.

However, I do hope that it gets fixed soon! Let's wish @fnuecke luck and free time, etc!

For the time being you can continue to use the mod by setting the config to not require power, and reenable power needs at a later time when things are working again.

might I add that it is "minor" because there is a work around, in addition to it being a 1.10 bug (which is a lower priority version at this time)

Same issue here: Doesn't accept power from Ender IO conduit.

Minecraft 1.10.2
Pack: All the Mods (beta)

Here's the log output:

[20:46:29] [Server thread/WARN]: Error in scheduled tick action.
java.lang.ClassCastException: li.cil.oc.common.tileentity.PowerConverter cannot be cast to ic2.api.energy.tile.IEnergyTile
    at li.cil.oc.common.EventHandler$$anonfun$scheduleIC2Add$1.apply$mcV$sp(EventHandler.scala:116) ~[EventHandler$$anonfun$scheduleIC2Add$1.class:?]
    at li.cil.oc.common.EventHandler$$anonfun$onServerTick$1.apply(EventHandler.scala:161) [EventHandler$$anonfun$onServerTick$1.class:?]
    at li.cil.oc.common.EventHandler$$anonfun$onServerTick$1.apply(EventHandler.scala:160) [EventHandler$$anonfun$onServerTick$1.class:?]
    at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33) [IndexedSeqOptimized$class.class:?]
    at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186) [ArrayOps$ofRef.class:?]
    at li.cil.oc.common.EventHandler$.onServerTick(EventHandler.scala:160) [EventHandler$.class:?]
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_803_EventHandler$_onServerTick_ServerTickEvent.invoke(.dynamic) [?:?]
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:68) [ASMEventHandler.class:?]
    at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:159) [EventBus.class:?]
    at net.minecraftforge.fml.common.FMLCommonHandler.onPreServerTick(FMLCommonHandler.java:274) [FMLCommonHandler.class:?]
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:602) [MinecraftServer.class:?]
    at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:149) [bzl.class:?]
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471) [MinecraftServer.class:?]
    at java.lang.Thread.run(Thread.java:745) [?:1.8.0_92]
[20:46:58] [Server thread/WARN]: Error in scheduled tick action.
java.lang.ClassCastException: li.cil.oc.common.tileentity.PowerConverter cannot be cast to ic2.api.energy.tile.IEnergyTile
    at li.cil.oc.common.EventHandler$$anonfun$scheduleIC2Add$1.apply$mcV$sp(EventHandler.scala:116) ~[EventHandler$$anonfun$scheduleIC2Add$1.class:?]
    at li.cil.oc.common.EventHandler$$anonfun$onServerTick$1.apply(EventHandler.scala:161) [EventHandler$$anonfun$onServerTick$1.class:?]
    at li.cil.oc.common.EventHandler$$anonfun$onServerTick$1.apply(EventHandler.scala:160) [EventHandler$$anonfun$onServerTick$1.class:?]
    at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33) [IndexedSeqOptimized$class.class:?]
    at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186) [ArrayOps$ofRef.class:?]
    at li.cil.oc.common.EventHandler$.onServerTick(EventHandler.scala:160) [EventHandler$.class:?]
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_803_EventHandler$_onServerTick_ServerTickEvent.invoke(.dynamic) [?:?]
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:68) [ASMEventHandler.class:?]
    at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:159) [EventBus.class:?]
    at net.minecraftforge.fml.common.FMLCommonHandler.onPreServerTick(FMLCommonHandler.java:274) [FMLCommonHandler.class:?]
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:602) [MinecraftServer.class:?]
    at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:149) [bzl.class:?]
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471) [MinecraftServer.class:?]
    at java.lang.Thread.run(Thread.java:745) [?:1.8.0_92]

I assume this fix has not been pushed to Curse as of yet?

This appears to still be an issue in OC 1.6.0.4 (using the Direwolf20 mod pack). I can use the Power Converter block to get energy into my computer, but the computer case itself won't accept RF energy.

This appears to only have been merged to our minecraft 1.10 versions (not 1.7.10 nor any other)
OpenComputerse version 1.6 and 1.6-dev have this fix (for minecraft 1.10) since August.
If you are using a stable build, it would need to be equal or later than: OpenComputers-MC1.10.2-1.6.0.3-rc.1.jar
If you are using dev releases, it would need to be equal or later than: OpenComputers-MC1.10.2-1.6.0.25-dev.jar

If you need to update, please use our latest version on curse:
https://minecraft.curseforge.com/projects/opencomputers/files
direct link: https://minecraft.curseforge.com/projects/opencomputers/files/2344182

@DarkMorford I probably closed this ticket in error. "OC 1.6.0.4" is probably referring to OpenComputers-MC1.10.2-1.6.0.4.jar which IS for 1.10. Can you confirm that is the version you are using?

I am using OpenComputers-MC1.10.2-1.6.0.4.jar, yes. However, after doing some more research, I seem to have misidentified the issue. The computer cases do seem to be correctly handling the RF API (i.e., power conduits connect to them), but they don't appear to have any internal buffer. Using an Analyzer on the computer shows "Total stored energy: 0.00/0.00".
Connecting a Power Converter block to the computer gives it a buffer of 1000, which fills from the power supply and allows the computer to run, but removing that block drops the buffer back to 0/0 and halts the computer.
Curiously, if I restart the server any computers that had already been placed have a power buffer of 500, as configured. Breaking and replacing them resets their buffer capacity back to 0, so this seems to only affect newly-placed computers.
I'd be happy to file this as a new issue if you'd like, and I'll provide logs or other information if you need it.

@DarkMorford very good update, thank you. I'll make a new ticket for you and close this one.