Compaq 1220 manual Problem

Page 15

Before calling your Authorized Product Support, please

check that the items below are properly connected or set. 5 TROUBLESHOOTING In case of using a non-standard signal, please check the pin assignments and the signal timing of your computer

with the specification outlined in Section 6. SPECIFICA- TIONS and Section 7. APPENDIX.

PROBLEM

LED On (Green)

LED Off

No

picture

LED On (Amber)

The following message appeared.

The following message appeared.

picture

Display is miss-

 

 

ing, center shifts,

Abnormal

or too small or too

large of a display

 

 

size

 

 

No operation of the USB devices

 

ITEMS TO CHECK

 

LOCATION

• Contrast and brightness controls.

Front

Power switch.

Front

• AC power cord disconnected.

Rear

Signalcabledisconnected.

Rear

Computer power switch.

• Computer

• Power management function is active.

• Press any key on the keyboard

 

 

 

or move the mouse.

Signalcabledisconnected.

Rear

Computer power switch.

• Computer

• Power management function is active.

• Press any key on the keyboard

 

 

 

or move the mouse.

• Input signal frequency range is too high or too low for the

• Check the specification of

 

monitor to synchronize with.

 

graphics adapter

Do "FACTORY PRESET" or "ALL RESET" for a standard

Front (OSD)

 

signal.

 

 

Adjust HORIZ-SIZE, VERT-SIZE, HORIZ-POSITION, and

Front (OSD)

 

VERT-POSITION with non-standard signals.

 

 

Monitor may not be able to get full-screen image depend on signal. In this case, please select other resolution, or other vertical refresh timing.

Make sure you wait a few seconds after adjusting the size of the image before changing or disconnecting the signal.

• [Universal serial bus controller] is not listed in [Device

• Confirm that Windows®98 or

Manager].

later version is installed into

 

the computer.

 

 

• [Generic USB HUB] is not listed in [Device Manager].

• Make sure of the cable con-

 

nections.

 

• Restart the computer.

 

• Turn off the monitor and turn

 

on then.

 

• Disconnect all the cables con-

 

nected to the Upstream ports

 

and re-connect then.

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Contents Compaq P1220 Modifications JapaneseNotice EPAEnergyStarCompliance Contents Introduction FeaturesDDC Internal Preset Memory CapabilityPower Management Function Cleaning Your MonitorCD-ROM Quick Operation ChartScreen Position Adjustment UnpackingPart Name Control NamesFunction Connection to VGA Compatible System Installation and ConnectionAC Power Connection Signal Cable ConnectionUSB System Basic Application Connecting to Two ComputersInstallation of USB Function Functions How to adjust the screenAdjustment Items Page Problem Self Diagno Specifications Mounted on the Rear Panel Monitor Signal Input Connector DB9-15PSignal Cable Appendix

1220 specifications

The Compaq 1220 is a notable entry in the realm of portable computing, representing a significant evolution in laptop design and functionality during its time. Launched in the early 1990s, this model stands out for its blend of portability, performance, and user-friendly features, which catered to both business professionals and everyday consumers.

One of the key features of the Compaq 1220 is its compact size, which distinguished it from bulkier contemporaries. Weighing in at approximately 5.6 pounds, it was designed to be easily transported, making it an attractive option for users who required computing power on the go. Its dimensions, along with its relatively lightweight chassis, facilitated easy handling and travel, aligning perfectly with the growing demand for mobile computing solutions.

Equipped with a high-resolution color LCD screen, the Compaq 1220 offered enhanced visual clarity, allowing users to engage with their applications and content with improved detail and vibrancy. The display technology was a significant advancement at the time and contributed to a more immersive user experience, whether for professional presentations or casual media consumption.

In terms of performance, the Compaq 1220 featured an Intel 486 processor, which provided the necessary computing power for running various applications, from word processing to spreadsheet management. It also included a sufficient amount of RAM, ensuring smooth multitasking capabilities. The inclusion of a hard drive offered ample storage space for documents and files, a crucial aspect for business users who relied on their laptops for storing important data.

Another noteworthy aspect of the Compaq 1220 was its battery life. The laptop was engineered to offer several hours of usage on a single charge, enabling users to work remotely without the constant worry of needing a power source. This feature was especially appreciated in an era where power outlets were not as prevalent in public spaces.

Connectivity was made possible through various ports and expansion slots, allowing for compatibility with printers, external drives, and other peripherals. This versatility made the Compaq 1220 a functional tool for various tasks, from office work to creative projects.

Overall, the Compaq 1220 exemplified the transition towards more portable and powerful computing, laying the groundwork for future innovations in laptop technology. Its combination of lightweight design, enhanced display, robust performance, and reliable battery life made it a memorable model in the evolution of personal computing.