A friend of mine gave me an old laptop, from what i can see it's a compaq contura 4/25, 486, 200 mb HD, bw screen, no trackball, no touchpad, no pointing device at all.
Battery was dead, obviously, my multimeter indicated 0V.
I changed the CMOS battery, attached a power supply, and a bright yellow light started to glow. But the laptop wouldn't turn on.
If I take out the battery, neither the yellow led nor the laptop will turn on.
So, do someone have this laptop? Is it normal that it doesn't power on if the battery is completely discharged or missing?
BTW, the battery seems to charge a little bit... it is now 1.50 V after about 1 hour of charge. Would a high voltage zap help it, or is it completely useless at this point?
Battery was dead, obviously, my multimeter indicated 0V.
I changed the CMOS battery, attached a power supply, and a bright yellow light started to glow. But the laptop wouldn't turn on.
If I take out the battery, neither the yellow led nor the laptop will turn on.
So, do someone have this laptop? Is it normal that it doesn't power on if the battery is completely discharged or missing?
BTW, the battery seems to charge a little bit... it is now 1.50 V after about 1 hour of charge. Would a high voltage zap help it, or is it completely useless at this point?
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