Brand: SHARP
Category: Office Equipment
Document Type: Manual
Language: EN
Manual for PC-4501
Uploaded: Nov. 21, 2025, 6:15 p.m.
Manual Publish Date: 1987-01-01
Warranty Information
One-year limited warranty on main unit and peripherals from the date of purchase.
Getting Started with Your PC-4501
This manual guides you through setting up and operating your Sharp PC-4501 personal computer.
Initial Setup:
- Picking a Location: Choose a stable, well-ventilated surface away from extreme temperatures and humidity. Ensure adequate space for the system and any peripherals.
- Setting Up: Place the computer on a flat surface, fold down the handle, install the battery, open the unit, adjust the screen, and install any necessary options.
- Closing Down: Prepare the system for transportation by following specific shutdown procedures.
Operation:
- Familiarize yourself with the hardware components, including the main unit, keyboard, screen, and floppy disk drive.
- Learn how to use the system's software, including the operating system (MS-DOS) and applications software.
- Explore various functions, such as system start-up, setup functions, and running applications.
Refer to the Appendices for general maintenance, diagnostics, troubleshooting, and specifications.
Troubleshooting and error codes
| Problem | Suspect Area | Solution |
|---|---|---|
| No power to the main unit | Power switch button | Push on the power switch button |
| Lead Battery | Charge with AC adaptor | |
| AC Adaptor | Plug one end into main unit and the other end into outlet. Be sure ends are plugged in all the way | |
| Faulty outlet | Plug power cord into a different outlet | |
| Computer's screen is blank | Faulty system | Call your Sharp dealer |
| Display mode | Be sure the display mode on the set up screen is not set to off | |
| Main unit power | Main unit power | Make sure AC adaptor plug is properly attached to main unit and plugged into an outlet. Make sure main unit is turned on |
| Faulty screen power supply | Call your Sharp dealer | |
| Contrast control | Adjust the control | |
| Computer's screen is dim | Set dip switch 1 to ON and then OFF | |
| Faulty screen power supply | Call your Sharp dealer |