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Reference Guide 105
• Remove any PC Cards. An infrared IRQ conflict is possible if two PC Cards are
present at the same time.
Memory Problems
If a message says you are out of memory
• If you’re using Windows 95, Windows 98, or Windows NT, click Start, Help and use
the Memory Troubleshooter.
• If you are having memory problems running MS-DOS programs, in Windows click
Start, Help and use the MS-DOS Troubleshooter.
• Not all 3rd party memory cards have been tested with the OmniBook. Please check
the OmniBook website (http://www.hp.com/omnibook) for a list of approved and
tested memory cards.
If memory doesn’t increase after adding RAM
• Use the correct type of memory (RAM) modules for your computer. For a model with
“4150 B” after the serial number, use only PC-100 modules.
PC Card (PCMCIA) Problems
If the OmniBook doesn’t recognize a PC Card
• For Windows NT, make sure Card Executive is installed. See “To install Card
Executive for Windows NT” on page 75.
• Remove and reinsert the PC Card.
• Insert the PC Card in a different slot.
• Press the blue power button to suspend the OmniBook, then press it again to resume.
• If the card requires an IRQ, check that there is one available. If necessary, set the IRQ
to an unused value manually.
If you’re using Windows 95 or Windows 98, look in Device Manager under
Properties, Interrupt Request (IRQ).
If you’re using Windows NT, click Start, Programs, Administrative Tools, Windows
NT Diagnostics.