Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
IBM
Office

Model # PS/2 8550 Official IBM personal system 12

Here are the diagrams and repair parts for Official IBM PS-2-8550 personal system 12, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 59 parts  |
3.5 Inch Diskette Holder 6138481

#NI

All parts diagram

3.5 inch diskette holder

Part #6138481

The manufacturer no longer makes this part, and there's no substitute part

Plastic Envelope (for Wrap Plug) 6138013

#NI

All parts diagram

Plastic envelope (for wrap plug)

Part #6138013

The manufacturer no longer makes this part, and there's no substitute part

2mb (85ns) 90X8625
#2A

Assembly 1: 2-8mb 80286 memory expansion option diagram

2mb (85ns)

Part #90X8625

The manufacturer no longer makes this part, and there's no substitute part

Fan Assembly 72X8515
#4

System unit (8550) diagram

Fan assembly

Part #72X8515

The manufacturer no longer makes this part, and there's no substitute part

Power Cord 8529281
#4

Power cords diagram

Power cord

Part #8529281

The manufacturer no longer makes this part, and there's no substitute part

80286 Memory Expansion Adapter 72X8532
#3F

Internal options and adapters diagram

80286 memory expansion adapter

Part #72X8532

The manufacturer no longer makes this part, and there's no substitute part

Tri-connector Wrap Plug 72X8546
#1

Tools and miscellaneous diagram

Tri-connector wrap plug

Part #72X8546

The manufacturer no longer makes this part, and there's no substitute part

Blank (scratch) 3.5 Inch 2mb Diskette 72X8583

#NI

All parts diagram

Blank (scratch) 3.5 inch 2mb diskette

Part #72X8583

The manufacturer no longer makes this part, and there's no substitute part

Power Cord 8529341
#3

Power cords diagram

Power cord

Part #8529341

The manufacturer no longer makes this part, and there's no substitute part

Power Cord 8529284
#6

Power cords diagram

Power cord

Part #8529284

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for window air conditioners

Choose a symptom to see related window air conditioner repairs.

View all

Why won't my window air conditioner start?

Main causes: lack of electrical power, bad electronic control board, wiring failure, bad temperature sensor…

Read more

Why won't water draining from my window air conditioner?

Main causes: clogged drain hole, air conditioner not leveled properly…

Read more

Why are my window air conditioner's evaporator fins iced up?

Main causes: dirty air filter, air conditioner is too small for the room, temperature set too cold, control failure…

Read more

Why your window AC compressor is not turning on?

Main causes: bad compressor, lack of refrigerant, bad compressor start relay, electronic control board failure…

Read more

Why does my window air conditioner's compressor hum but not work?

Main causes: turning the air conditioner off and the back on too quickly, dirty or restricted condenser coil, compressor…

Read more

Why is water leaking into the house from my window air conditioner?

Main causes: clogged condensate drain, air conditioner not leveled properly, leaky window air seals …

Read more

Repair guides for window air conditioners

These step-by-step repair guides will help you safely fix what’s broken on your window air conditioner.

View all
How to replace a window air conditioner ambient thermistor

How to replace a window air conditioner ambient thermistor

If your window air conditioner isn’t cooling properly, it might need a new ambient thermistor. You can replace it yourse…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a window air conditioner user interface control board

How to replace a window air conditioner user interface control board

Control buttons or lights on the user interface control board can stop working. This repair guide shows how to replace i…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a window air conditioner condenser fan

How to replace a window air conditioner condenser fan

If the condenser fan blade is broken or the condenser fan motor won’t run, you can replace the broken parts yourself by…

Read more
Repair difficulty
Time required
 90 minutes or less

Effective articles & videos to help repair your office

Office and smart products articles | Sears PartsDirect

View all
How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Read more
Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Read more
What does the Amazon Fire Stick Lite do?

What does the Amazon Fire Stick Lite do?

Learn what the Amazon Fire Stick Lite video streaming device does.…

Read more

Parts & More

Front-Engine Lawn Tractor
Shop Model #96016000401 Ryobi tractor