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Pavilion dm4, win7-64
ok, take out the battery , what does it do now.
step1 complete. have 10 more, .+
during 10 seconds can you enter the BIOS screens with F1, F9/F10 or ESC key or as your opr manual directs.
what full p/n not just DM4. the full number matters.
this comment above assume power pack attached to PC and to wall with power there.
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