General hardware failure is often the cause but determining which piece of hardware it is isn’t always so black and white. A common misconception is that if your CD ROM is not recognized by your system that it's simply the CD ROM which is faulty, this isn’t always the case as laptops have fixed or board mounted connectors for these types of devices which include CD ROMs, modems, wifi cards, RAM or even the CPU.
These connectors often have fuses attached that can fail causing the hardware attached to them to lose connection from the system altogether as the connector is now dead. The device itself is in a lot of cases fine but often replaced unnecessarily.
In the situation of the connector itself being faulty you may have to replace the mainboard, a much bigger and more expensive problem to solve.
This issue can be identified by devices suddenly not being recognized by the bios, the next step to determine why your CD drive won't boot is to access your bios to fault find further. Refer to your laptop's user manual for instructions on how to do this.
Once you have accessed the bios on your machine you need to navigate through the various options to be able to view what devices the system actually recognizes as connected or active. Read more »
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