CPU limitation with the new power supply

Hello

I have a W510 with 135W POWER supply. Or to be more precise: A 6.75 @ 20V.

I work at two locations, so I bought a generic 150W PSU with an adapter to mount the Thinkpad. The PSU is labeled 7. 5A @ 20V, so there should be no problems running the laptop.

Yet, when starting, I get the "this power supply is too low for something something something battery charge" and strangled my i7 at 1.2 GHz, and not the 3.06 there are usually.

If I boot from the battery and connect the connector of the power supply after Windows is in place, it works at full speed. And to charge the battery very well. Then of course, there is nothing wrong with the juice from the PSU.

Thus, I suspect that the BIOS does something stupid. Can I override this somehow?

Friendly,.

A guy

Maybe what the ThinkPad does not does not correctly detect the generic adapter. The central axis of the generic adapter does not give the right signal to the laptop power management firmware.

Check in the ThinkVantage power manager what to say under the generic adapter 150 watts? He said 90 watts?

Tags: ThinkPad Notebooks

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