Questions tagged [repair]
Retro hardware repair. Use for non-functioning systems; for working systems use [maintenance].
61 questions
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What might cause my Commodore 1541 and FSD-1 disk drives to have a bus conflict
I'm seeing some strange behavior on my Commodore 1541 and FSD-1 disk drives. Both drives seemingly work fine when attached to the C64 by themselves, but if I set the FSD-1 to be device 9,10 or 11 - ...
- 11k
15
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1
answer
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I cleaned the grease off an old floppy drive��s motor; do I need to lubricate it?
I have a Sony HD 3.5″ floppy drive. It isn't reading properly and IMD shows the rpm to be 150-200.
I dismantled the drive and there was a sticky ‘goo’ on the bottom of the inner ring that sits inside ...
- 151
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What to do when Apple IIc displays 'check disk drive' alert [closed]
I have an Apple IIc ROM version 3, with original program discs. A few years ago I dusted it off for fun. I found online a suggested way to network it with a PC. What I remember from a few years ago ...
- 21
7
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1
answer
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Replacement RDRAM chips for my Sony PS2
Oh yeah, just my luck, while I have my PS2 open to replace the clock battery one the magnet I use to hold the screws sticks to the RF shielding, comes off, and lands on the memory chips, cracking one ...
- 737
11
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1
answer
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Commodore 64 breadbin plastic stands repair options?
I have a Commodore 64. The internal plastic stands for the board were all cracked and some were completely destroyed. See pictures
In a futile attempt to fix them, I removed the old broken ones, ...
- 699
11
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8
answers
3k
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Zip drive eject "tool"
So I am trying to manually eject a Zip disk from a Zip drive. This is not a OEM Zip drive, but one made specifically for a Pentium laptop. I went to the dollar store and bought a pack of paper clips,...
- 573
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trying to debug old 1979 Micropolis 1016-2 floppy controller issue
I have an old IMSAI PCS-80/30 S-100. It runs Micropolis MDOS 4.0.
I have Micropolis 1016-2 single drive (doesn't seem to read or write), Micropolis 1043-2 dual drive (reads sometimes when the moon is ...
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1
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Laser fd-100 Stepper motor vibrates
I have a Laser FD-100 that doesn’t work. the stepper motor just vibrates instead of moves. I took it out and greased it and still nothing. There are 3 pins on the board that look broken. What are they ...
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6
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1
answer
1k
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Can I use a volume wheel with different specs for the GBA?
I bought a replacement volume wheel for the GBA. There are no other potentiometers available for the GBA. The original one has 30 kΩ as shown on the schematics. The one I bought has 10 kΩ and can be ...
- 5,490
8
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3
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866
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How to repair IIgs 3.5 floppy drive?
The Apple 3.5" Drive on my IIgs still reads disks, but eject no longer works. The failure to eject is silent, no errors, noise, or motion. With a paperclip I can get the disks ejected but this is ...
- 2,572
6
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1
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Is this SpeedDOS chip mounted right in my C64?
I have removed a chip to reseat it, but sadly I forgot how it was placed on my C64 (breadbin).
I assume its text should be in the same direction of all the other chips on the board, but now I don't ...
- 243
3
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1
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1k
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Award BIOS error code meaning
I have a faulty Asus SP-97V Pentium motherboard. It doesn't boot, but it definitely takes power and does something.
I plugged a PCI diagnostics card into it, and it shows error codes C0 or C1. It ...
- 493
5
votes
1
answer
451
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Commodore 1581 crashes during format
I have a Commodore 1581 (800k 3.5" DD) floppy drive which reads and writes data just fine (with DD disks only of course), but it crashes (drive keeps spinning forever, stops moving the head and ...
- 301
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4
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C128D shorted Composite and Ground
I just did a stupid thing and connected a new cable without inspecting it first. It was from a reputable seller, but has shorted pins 2 and 4.
What is the potential damage it could have caused and ...
- 4,262
6
votes
1
answer
675
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Macintosh Plus always resets on power up
I have a Macintosh Plus, which as soon as I turn it on shows the floppy icon and then resets itself immediately afterwards. Note that it does so as soon as it needs to power up the floppy drive. For ...
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