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Repairing a Macintosh SE/30 with No Sound

Silent Mac and Other Mysterious Problems If you’ve just turned on your Apple Macintosh SE/30 after it’s been put away for the last few years in storage and found there is no sound from the speaker…and trying obvious things like turning up the volume at the control panel doesn’t work, then chances...
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Replacing CMOS Batteries in Old PC’s

You’ve just fired up your old PC, the screen comes to life with the usual BIOS messages and memory count. All looks fine, until you hear beep beep and get this warning : CMOS Checksum Error – Defaults loaded. At least the PC still works , but the last message is a sure sign the CMOS...
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