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Some symptoms include: Missing wireless connections (No wireless networks detected by the laptop and the wireless adapter is absent from Device Manager). Video card or graphics chipset failures (No video from either the LCD display or on the external monitor). [2] Sound system, optical drive and/or hard drive problems.
Optical drives let your computer read and interact with discs like CDs, DVDs, and Blu-rays. However, they're quickly becoming outdated.
Microsoft had previously relegated Media Center and integrated DVD playback support to a paid add-on beginning on Windows 8 due to the cost of licensing the required DVD playback related patents, and the increasing number of PCs that have no optical drives. [17]
Optical drives for computers come in two main form factors: half-height (also known as desktop drive) and slim type (used in laptop computers and compact desktop computers). They exist as both internal and external variants. Half-height optical drives are around 4 centimetres tall, while slim type optical drives are around 1 cm tall.
Optical discs can be reflective, where the light source and detector are on the same side of the disc, or transmissive, where light shines through the disc to be detected on the other side. Optical discs can store analog information (e.g. Laserdisc), digital information (e.g. DVD), or store both on the same disc (e.g. CD Video).
If your symptoms persist for more than 10 days. If you experience difficulty breathing, develop a severe cough, notice thick green or yellow mucus, run a fever, and/or feel extremely fatigued.
Disc rot is the tendency of CD, DVD, or other optical discs to become unreadable because of chemical deterioration. The causes include oxidation of the reflective layer, reactions with contaminants, ultra-violet light damage, and de-bonding of the adhesive used to adhere the layers of the disc together.
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