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comptia a 1 > Troubleshooting > Flashcards

Troubleshooting Flashcards

(49 cards)

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1
Q

What are common causes of crash screens (BSOD, application crashes)?

A

Driver conflicts, hardware failures, memory issues, overheating, malware

Crash screens can indicate serious system problems and may require troubleshooting to identify the root cause.

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2
Q

What might cause POST issues?

A

Failed component detection, beep codes indicating specific hardware failures

POST (Power-On Self-Test) errors can provide diagnostic information about hardware issues.

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3
Q

What are potential causes of a blank screen?

A

Monitor connection problems, incorrect input selection, video card failure

A blank screen can occur for various reasons, including hardware and configuration errors.

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4
Q

What causes a computer to have no power?

A

Bad power source, faulty power supply, disconnected cables, motherboard failure

Troubleshooting power issues often starts with checking the power supply and connections.

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5
Q

List common causes of poor performance in a computer.

A
  • High CPU usage
  • Insufficient disk space
  • Malware infection
  • Insufficient RAM

Performance issues can often be mitigated by optimizing system resources and removing unnecessary applications.

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6
Q

What causes overheating in a computer?

A

Fan failures, dust buildup, inadequate airflow, failing components

Overheating can lead to hardware damage and should be addressed promptly.

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7
Q

What unusual noises might indicate hardware issues?

A
  • Rattling (loose component)
  • Scraping (fan issue)
  • Clicking (drive failure)

Identifying noises can help in diagnosing specific hardware problems.

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8
Q

What causes time/date issues in a computer?

A

Bad motherboard battery (CMOS/RTC battery failure)

Time/date issues can affect system performance and should be corrected by replacing the battery.

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9
Q

What are common causes of read/write failures in storage?

A
  • Bad sectors
  • File system corruption
  • Physical damage
  • Controller failure

Data integrity can be compromised by read/write failures, requiring immediate attention.

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10
Q

What might lead to slow performance in storage devices?

A
  • Fragmentation
  • Constant disk activity
  • Failing drive
  • Insufficient space

Regular maintenance can help prevent slow performance due to these factors.

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11
Q

What unusual noises can indicate issues with storage devices?

A
  • Clicking (head crash imminent)
  • Grinding (mechanical failure)

Paying attention to unusual sounds can prevent data loss by prompting early intervention.

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12
Q

What causes boot failures?

A
  • Drive not recognized by BIOS
  • Corrupted OS files
  • Missing boot partition

Boot failures can prevent a system from starting and may require recovery or repair processes.

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13
Q

What are causes of data corruption?

A
  • Improper shutdowns
  • File system errors
  • Malware
  • Failing hardware

Data corruption can lead to significant data loss, emphasizing the importance of regular backups.

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14
Q

What might indicate RAID problems?

A
  • Failed drive in array
  • Controller issues
  • Rebuild failures

RAID configurations can enhance data security but also introduce complexity in troubleshooting.

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15
Q

What do S.M.A.R.T. warnings indicate?

A

Self-monitoring system detecting potential drive failure

S.M.A.R.T. warnings provide early indicators of drive health and potential failures.

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16
Q

What might cause extended access times in storage devices?

A

Slow read/write operations due to fragmentation or failing drive

Optimizing storage can help improve access times and overall performance.

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17
Q

What could cause missing drives in an operating system?

A
  • Driver issues
  • Connection problems
  • Power issues

Ensuring proper connections and drivers is essential for drive recognition in an OS.

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18
Q

What are common causes of input source problems in displays?

A

Wrong connection selected on monitor, cable issues

Input source issues can often be resolved by checking connection settings on both the monitor and the source device.

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19
Q

What might cause projector issues?

A
  • Bulb requiring replacement
  • Overheating
  • Connection problems

Regular maintenance of projectors can extend their lifespan and performance.

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20
Q

What causes image quality problems in displays?

Study These Flashcards
A
  • Fuzzy display (resolution mismatch)
  • Distorted image (sync issues)
  • Incorrect colors (cable/settings)

Image quality can significantly affect user experience and should be optimized.

21
Q

What issues can cause screen problems?

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A
  • Burn-in (static image displayed too long)
  • Dead pixels (manufacturing defect)
  • Flashing (refresh rate)

Addressing screen problems promptly can help prevent permanent damage.

22
Q

What causes audio problems in displays?

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A
  • No sound from display speakers due to mute settings
  • Wrong audio output
  • Driver issues

Troubleshooting audio problems often involves checking both hardware settings and software configurations.

23
Q

What might cause a dim image on a display?

Study These Flashcards
A
  • Low brightness settings
  • Failing backlight
  • Power saving mode

Adjusting settings or replacing components can resolve brightness issues.

24
Q

What causes charging problems in mobile devices?

Study These Flashcards
A
  • Bad cable
  • Faulty adapter
  • Damaged charging port
  • Battery issues

Ensuring proper charging equipment is essential for device functionality.

25
What are common causes of connectivity issues in mobile devices?
* Poor cellular signal * Wi-Fi interference * Incorrect network settings ## Footnote Connectivity issues can often be resolved by resetting network settings or moving to a different location.
26
What causes liquid damage in mobile devices?
Water or other liquid exposure requiring proper handling procedure ## Footnote Liquid damage can lead to severe hardware failures and should be addressed immediately.
27
What might indicate battery issues in mobile devices?
* Poor health (age-related) * Swelling (dangerous condition) * Not holding charge ## Footnote Monitoring battery health can prevent unexpected device failures.
28
What causes screen damage in mobile devices?
* Broken display glass * Unresponsive touchscreen * Display connector issues ## Footnote Screen damage can significantly impact usability and often requires professional repair.
29
What might cause performance problems in mobile devices?
* Overheating * Slow response time * Insufficient storage * Too many background apps ## Footnote Optimizing app usage and storage can improve overall device performance.
30
What causes cursor drift in mobile devices?
* Touchscreen calibration issues * Screen damage * Software problems ## Footnote Addressing cursor drift may involve recalibrating the touchscreen or fixing hardware issues.
31
What might cause application installation problems on mobile devices?
* Insufficient storage space * Network connectivity issues * Compatibility problems ## Footnote Ensuring adequate space and connectivity is essential for successful app installations.
32
What causes stylus problems in mobile devices?
* Battery depletion * Bluetooth connection issues * Hardware wear ## Footnote Regular maintenance of stylus devices can prevent performance issues.
33
What causes no connectivity in networks?
* No link lights (physical layer problem) * Failed ping tests * Cable issues * Switch/router failure ## Footnote Diagnosing network connectivity often starts with physical layer checks.
34
What might cause wireless problems in networks?
* Interference from other devices * Weak signal strength * Channel conflicts ## Footnote Addressing wireless issues may involve changing channels or repositioning devices.
35
What causes network performance issues?
* Slow speeds * Network bottlenecks * High utilization * Incorrect duplex settings ## Footnote Monitoring network performance can help identify and resolve issues proactively.
36
What indicates limited connectivity in a network?
APIPA address (169.254.x.x) indicating DHCP failure, missing default gateway ## Footnote Limited connectivity often results in restricted access to network resources.
37
What causes jitter in network performance?
Irregular packet timing causing inconsistent network performance ## Footnote Jitter can severely affect applications requiring real-time data transmission, such as VoIP.
38
What might indicate VoIP quality problems?
* High latency * Insufficient bandwidth * QoS configuration issues ## Footnote Ensuring quality of service (QoS) can help improve VoIP performance.
39
What causes port flapping in networks?
Network interface repeatedly going up and down due to hardware/cable issues ## Footnote Port flapping can disrupt network connectivity and requires prompt troubleshooting.
40
What are common causes of authentication problems in networks?
* Incorrect credentials * Expired certificates * Misconfigured authentication servers ## Footnote Authentication issues can prevent access to network resources and may require administrative intervention.
41
What causes output quality problems in printers?
* Lines on page (dirty roller/printhead) * Fading (low toner/ink) * Ghosting (worn components) ## Footnote Regular maintenance can help maintain print quality and prevent output issues.
42
What might cause garbled print output?
* Driver issues * Wrong printer language (PCL vs PostScript) * Corrupted print jobs ## Footnote Ensuring correct drivers and settings is crucial for proper printing.
43
What causes paper jams in printers?
* Improper paper loading * Worn rollers * Foreign objects * Humidity issues ## Footnote Addressing paper jam issues often involves checking loading procedures and maintaining printer components.
44
What might lead to print queue issues?
* Multiple pending jobs * Print spooler crashes * Insufficient disk space ## Footnote Managing the print queue effectively can improve printing efficiency.
45
What causes grinding noises in printers?
* Mechanical problems * Stalled print carriages * Foreign objects in paper path ## Footnote Identifying and resolving grinding noises can prevent further mechanical failure.
46
What are common causes of finishing issues in printers?
* Stapling failures * Hole punching problems * Binding malfunctions ## Footnote Finishing issues can affect the usability of printed materials and should be addressed quickly.
47
What causes page orientation problems in printers?
Portrait vs landscape mismatch between application and printer settings ## Footnote Ensuring consistent settings between software and printer can resolve orientation issues.
48
What causes tray recognition problems in printers?
* Paper size mismatches * Improperly configured tray settings ## Footnote Proper configuration of printer trays is essential for effective printing.
49
What might cause connectivity problems in printers?
* Network configuration issues * Driver problems * Port settings ## Footnote Troubleshooting connectivity involves checking both network and printer settings.

comptia a 1 (17 decks)

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