> My HR-MP5 has the battery problem, too. The RAM contents are garbled and it > crashes the system. And I hear it needs soldering to change batteries. > > When this happens, I do the following. > 1) Detach the AC adapter plug from HR-MP5. > 2) Push the power button (without AC adapter). It discharges the residual > electricity. Do this again if needed. > > Then my MP5 starts working again (at least mine does). Be careful not to > select RAM patch before you write something onto it. The garbled patch data > crashes MP5 again. > > Best, > Sealed > Deep Synthesis Page > http://deepsynthesis.net > I had a tech shop, remove the battery and put in a battery changer for me problems sorted, now I can change my batteries myself ;) yeah cost more, but in the long term less hassles