Newnes PC Troubleshooting Pocket Book (Newnes Pocket Books)
Howard Anderson
Language: English
Pages: 256
ISBN: B001E6UWKC
Format: PDF / Kindle (mobi) / ePub
Newnes PC Troubleshooting Pocket Book provides a concise and compact reference that describes, in a clear and straightforward manner, the principles and practice of faultfinding and upgrading PCs and peripherals. The strong practical emphasis is backed up with many illustrations and examples of real-lie problems. The book is aimed at anyone who is involved with the installation, configuration, maintenance, upgrading, repair or support of PC systems. It also provides non-technical users with sufficient background information, charts and checklists to enable the diagnosis of faults and help to carry out simple modifications and repairs. The new edition of PC Troubleshooting will continue to include a number of short cuts that are instrumental in avoiding hours of potential frustration and costly effort.
In order to reflect rapid changes in computer technology (both hardware and software) this new edition has been completely revised and rewritten. New and expanded sections on: modern machines (Pentium II, III, IV, AMD); modern buses (FSB, AGP, Cyrix, Chip sets); different RAM chip types and connectors; Win 2000, ME, XP; latest SCSI standards, Ultra DMA, "live" re-partitioning of the disc, FAT16, FAT36, NTFS, performance and compatibility differences; 'famous' viruses and personal firewalls.
* All the essential data for PC fault-finding and upgrading
* Ideal for systems support staff, businesses, students, teachers, and home PC users
* Strong practical emphasis is backed up with many illustrations and examples of real problems
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Shown in Figures 3.2 or 3.3). This logic ensures that ROM, RAM and 1/0 devices never simultaneously attempt to place data on the bus! The inputs of the address decoding logic are derived from one, or more, of the address bus lines. The address decoder effectively divides the available memory into blocks corresponding to a particular function (ROM, RAM, I/O, etc.). Hence, where the processor is reading and writing to RAM, for example, the address decoding logic will ensure that only the RAM is.
The RAM that you moved some ribbon cables. These may have blocked the airflow over the RAM or the CPU. 0 Check that when you fitted the RAM that nothing else was disturbed, especially ribbon cables that may have been pulled from their seatings. 0 If the PC gives an unusual number of beeps during bootup, refer to Appendix F. 0 If you see that the contacts on the motherboard are bent or faulty, you may be lucky and have spare sockets you can use. Repairs are usually not economical so a new.
Actual hardware, it is generally more expensive than buying a replacement. TIP Avoid 'upgrade-itis'. Only upgrade if you need the extra facilities or performance offered by the upgrade.There is no sense at all getting the latest version without knowing why. 'If it ain't broke, don't fix it.' For example, you may see that Microsoft 'will no longer support Windows 98'. This means nothing at all to the user, much help is still available, even from Microsoft. If Windows 98 works for your.
Defines new higher-density connections; unfortunately SCSI has suffered from a large range of ‘standard‘cables. If you look at hardware suppliers’catalogues, you will see a large range of them! A 32bit bus is defined and is called very wide SCSI but is not in common use. SCSM SCSIJ is yet another extension giving a 20 MHz bus, improved cabling enabling ‘wide’ SCSI (Le. not 8 bit!) and for the first time, SCSIJ contains the new serial SCSI, also called Firewire. There are three different bus.
Reinstall all the software) or use third party software such as Gibson Research’s Spinrite. See grc.com/spinrite.htm To format or reformat the drive, use FORMAT C: /s where the /s parameter means copy the system files in place from sector 0, i.e. make the drive bootable. If you are sure the drive has been formatted, you can try SYS C: which will copy the system to the hard drive. I TIP Do not always believe the manufacturers. On one brand new second drive fitted by the author, the bus speed.