Symptom

PCMCIA

Setup problems

AC adapter

Does not power the OmniBook.

Miscellaneous

Clock loses time

Not all installed RAM is recognized

(See table on page 2-7 for RAM information.)

Computer gets hot

Call Center:

Suggestions

Make sure Card Executive is installed for Windows NT.

If the card requires an IRQ, check that there is one available.

Check for conflicts or refresh the device list in Device Manager (Windows 95) or Administrative Tools or Control Panel System (Windows NT).

Reboot the computer.

Try the card in the other slot or in another computer.

Check the OmniBook website for installation instructions (page vi).

Download current drivers from the card manufacturer’s website.

Try another ac adapter, if available.

Plug in ac adapter for 24 hours to charge backup battery.

OmniBook 2100/3100: Only these configurations are supported:

For Pentium II CPU, only

SDRAM.

For Pentium CPU, SDRAM or EDORAM.

For Pentium CPU and two RAM slots, 32 MB maximum in slot closer to corner.

Do not mix SDRAM and EDORAM in slots.

OmniBook 3000: Only EDORAM is supported, any configuration.

It is normal for the computer to get hot.

Make sure the air vents are clear.

DOS games and other programs that drive CPU usage toward 100% can contribute.

Repair Center:

Likely Causes

Motherboard.

AC adapter.

Motherboard.

Motherboard.

Compatibility.

RAM board.

Motherboard.

Fan.

Thermal connections. Heatsink damage.

Repair Center:

Comments

The ac adapter is not repairable—it must be replaced.

Charge backup battery.

Check RAM compatibility.

To determine CPU type, see the Intel sticker on the top case or see the figure on page 2-25.

Test the fan.

Check for proper contact between CPU and heatsink, and between fan and heatsink.

3-10 Troubleshooting and Diagnostics

HP OmniBook 2100/3000/3100