HP — Hp 7100SERV — user manual

HP OmniBook 7100 Troubleshooting and Diagnostics 3-7 Symptom Call Center: Repair Center: Repair Center: Suggestions Likely Causes Comments Hard disk Hard disk never spins Check the power source. Remove and reinsert the hard drive. Check the contacts. Hard drive or contacts. Motherboard. If the drive case is damaged, it can prevent proper operation. Hard disk makes clunking or scratching noise Back up the drive immediately. Was the computer or drive dropped? Hard drive. Check the computer and drive for evidence of customer abuse. Hard disk makes buzzing or whining noise Back up the drive immediately. Check for alternate noise sources, such as a PCMCIA drive or fan.

If a keystroke causes the sound to change, it may be power supply noise. Depends on the source of the noise. Files are corrupted Run a virus scan program. Check the disk surface by running Scandisk (Windows 95) or Disk Administrator (Windows NT). Or boot to DOS and run CHKDSK to look for problems, run CHKDSK /f to fix. Use Recovery CD to restore original factory software. Use same suggestions shown at left. Drive capacity is less than normal Check the disk surface by running Scandisk (Windows 95) or Disk Administrator (Windows NT). Check partitions using FDISK (Windows 95) or Disk Administrator (Windows NT). Hard drive. Use same suggestions shown at left.

Recreate the Hibernate partition, then partition and format the disk. Floppy drive General problems Check floppy module contacts. Check settings in BIOS Setup. Floppy module or contacts. Motherboard. Keyboard Some or all keys do not work properly Keyboard. Motherboard. BIOS IC. PS/2 keyboard and mouse with Y adapter do not work Check devices separately. Y adapter. PS/2 device. Motherboard. Pointing stick General problems Check settings in Control Panel. Check that the pointing stick is enabled in BIOS Setup. Keyboard assembly. Pointer-control PCA. Motherboard.