Hardware and Network Troubleshooting (28%)

220-1201 · 84 questions

• A tablet's battery cover is bulging and the screen is lifting at one corner. Which action should the technician take first?
• A conference projector says no signal. The laptop's own screen shows the desktop, and the video cable is seated at both ends. Which check comes first?
• A front-desk PC shows limited connectivity. It has an address and a mask, and it cannot ping its gateway. That gateway address is not inside the PC's subnet. Which setting is wrong?
• An OLED laptop shows a faint permanent shadow of a toolbar that sat on screen for months. Which display fault is that?
• A laser printer in a records office pulls several sheets at once on most jobs. Toner and the fuser were just serviced. Which maintenance fixes a multipage misfeed?
• A desktop drive clicks in a steady rhythm, the volume has disappeared, and last week SMART reported reallocated sectors. Which part is failing?
• Every page from a theater's laser printer, including the printer's own test page, shows the same faint vertical line. Which part should be serviced?
• Desk phones sound choppy. Pings to the voice server swing from very quick to very slow, and a file copy still completes. Which problem is the swinging delay?
• A clinic desktop's fans spin, the screen stays black, and the motherboard emits a beep code. A known-good monitor and cable do not change the beeps. Which stage is failing?
• A warehouse desktop reboots at random. Several capacitors on the motherboard are visibly swollen. Which action addresses the failed part?
• A library server shows a degraded RAID array. One disk has an amber fault light, and staff can still open files. Which action fits?
• A laser printer prints random symbols instead of the letter. The printer's own test page looks normal. Which cause fits the bad letter?
• A break-room laptop loses Wi-Fi only while the microwave is running. The laptop is associated on 2.4 GHz. Which cause fits?
• A laser printer's pages have gone pale across the whole sheet. Shaking the toner cartridge makes a few pages dark again. Which cause fits?
• A studio PC shuts down only when a render is running. The case is hot, and the fans and heatsink are packed with dust. Which cause fits?
• A kiosk will not boot, and the firmware does not list its only drive. The data cable is loose at the drive. Which action should come first?
• A lobby display is fuzzy and streaked on a VGA cable. The same PC looks sharp when it is moved to the display's HDMI input. Which cause fits the fuzzy picture?
• A phone will not charge. The same cable charges another phone, and this phone's port is packed with lint so the plug will not seat. What should be done first?
• A cafe changed the Wi-Fi passphrase on the access point. Phones that used to join now fail, and a test phone with the new passphrase joins immediately. Which fix belongs on the failing phones?
• A workstation lets out a wisp of smoke and a burning smell from the power supply while it is still running. What should happen first?
• Every morning a reception PC has lost the date, and the boot order and firmware passwords have reverted. Which part should be replaced?
• A ceiling projector shows an image, then dims and shuts off. Its air filter is packed with dust. Which action addresses the shutdown?
• Each page from a laser printer shows a faint copy of the previous page, and the printer's own test page does the same thing. Which cause fits?
• A front-desk queue shows one job in an error state, and every job behind it waits. The printer's own test page is fine. What should be done first?
• A few dots on a monitor stay black no matter what image is shown, and a different cable does not move them. Which fault is that?
• A workstation's network link light is off. The patch cable was crushed by a cart and the jacket is flattened. Which repair restores the link?
• Coffee has just spilled across a laptop keyboard, and the laptop is still powered on. What should the technician do first?
• After a cleaning, a server's RAID controller says the whole array is missing and sounds an alarm. A cable to the disk backplane is unplugged. Which action fits?
• A laser printer stops with a jam, and a wrinkled sheet is visible in the exit path. It printed a clean test page before the jam. What should be done first?
• An inkjet printer leaves blank bands in one color, and its nozzle check shows gaps in that color. Which maintenance fixes the bands?
• While a user types on a laptop with no external mouse, the pointer jumps and occasionally clicks. Which part is sending that stray input?
• A laptop screen is covered in spiderweb cracks. The picture is broken along those cracks, and touch no longer follows a finger. Which repair fits?
• A workstation becomes sluggish whenever many applications are open. Memory is nearly full, and the disk activity light hammers the whole time. Which shortage fits?
• A laser printer grinds and will not feed. A torn label is stuck in the paper path. Which action stops the grind?
• A desktop shows no lights and no fan spin. A lamp works in the same outlet, and the desktop starts when a known-good power supply is substituted. Which part failed?
• A workstation has become slow to open files. SMART reports pending sectors that keep climbing, and the drive has not started clicking. Which part is failing?
• A switch log shows one port going up and down every few seconds. The patch cable in that port is loose in the jack. Which repair addresses the log?
• A desktop loses power when the case is bumped. The power cord is loose where it enters the power supply. Which repair fits?
• A printer's screen is frozen, the buttons do nothing, and jobs wait. The printer does not respond to a status check. What should be tried first?
• After a memory upgrade, a desktop shows the firmware crash screen and beeps. The new module is not fully seated. Which action fits?
• A laptop loses Wi-Fi in a far office and works when it is carried next to the access point. Which cause fits the far office?
• A monitor's VGA picture is missing green. One pin on the VGA plug is bent, and a different VGA cable shows normal color. Which cause fits?
• Every user's internet is slow while one large backup is running to a cloud provider. A test PC can still reach local servers quickly. Which cause fits?
• A report prints sideways. The application's print setting is landscape, and the user wanted portrait. Which change fixes the pages?
• A desktop optical drive spins up and then stops, and it will not read a disc. The same disc reads in another drive. Which part is failing?
• A new internal drive does not appear in firmware. The data cable is seated, and the drive's power connector is unplugged. Which action should come first?
• A phone shuts down while charging under a pillow, and the case is hot. What should be done first?
• Applications crash, the desktop case is hot, and the processor fan is not spinning. Which fault fits?
• Laser pages are covered in scattered speckles, and loose toner is visible inside the printer. Which maintenance addresses the speckles?
• A tablet's picture is intact and the glass is not cracked, but a finger's touch no longer lands where the picture shows. Which part is failing?
• A conference display flashes whenever someone touches the HDMI cable, and it is steady when the cable is held still. Which repair fits?
• A printer reports that the paper tray is missing, and the tray is sitting an inch short of being closed. Which action clears the message?
• Every page from a laser printer, including its own test page, shows the same mark repeating at an even interval down the sheet. Which cause fits?
• A laptop shows its picture on an HDMI display, but sound still comes from the laptop speakers. The display has speakers. Which change sends the sound to the display?
• A projector's image is wider at the top than at the bottom because the projector points upward at the screen. Which correction addresses the shape?
• A desktop is still running and a burning smell is coming from the motherboard area, not from the power supply. What should happen first?
• A database on a spinning hard drive is slow to answer queries. SMART is healthy, and the same queries are quick when the files are on a solid-state drive. Which limit fits?
• Every laptop on the office Wi-Fi is slow. A wired PC on the same switch is fast, and a wireless survey shows the channel packed with neighboring networks. Which cause fits?
• The queue shows a printer offline, so jobs wait. The printer is powered on and its own test page looks normal. What should be done first?
• A printer's finisher jams, and the staple cartridge is both empty and jammed with bent staples. Which maintenance clears the finisher?
• A desktop shuts down at random. The case is not hot, and a power-supply tester shows the supply dropping out under load. Which part should be replaced?
• Pings from a branch to the main office stay slow, and each ping takes about the same long time. They do not swing from fast to slow. Which problem is that steady delay?
• Office internet drops and returns. Moving the loose plug in the modem's WAN port reproduces the drop. Which repair fits?
• A projector's image is visible but very dim. The brightness control is at its minimum, and raising it brightens the image. Which cause fits?
• Firmware lists a new drive, and the PC keeps booting an older disk. The new drive is not selected in the boot order. Which change boots the new drive?
• A tablet charges very slowly on a small phone charger and charges at a normal pace on the charger that came with the tablet. Which fix fits?
• A workstation's link is up, but it runs much slower than the switch port supports. Replacing a damaged patch cable restores the higher speed. Which part caused the slow link?
• A desktop is on and its fans are spinning. The monitor is dark, and the monitor's power cable is unplugged. Which repair brings the picture back?
• A workstation can ping the file server by address and cannot ping it by name. Other tests to that address succeed. Which service is failing?
• Jobs request tray 2, the printer pauses, and tray 2 is empty. Tray 1 is full of the same paper. Which action lets the jobs print?
• A laser printer's queue will not move. The first job stays at the front and later jobs wait behind it. The printer is online and its own test page prints. Which action lets the later jobs print?
• A brand-new toner cartridge prints blank pages. The sealing tape is still on the cartridge. Which action produces a printed page?
• Laser pages are pale. The printer is set to draft quality, the toner level is fine, and switching to normal quality darkens the pages. Which change should stay in place?
• A projector runs, then shuts off and reports that the lamp has reached its service-hour limit. The air filter is clean. Which part should be replaced?
• A laptop's built-in screen stays black. An external monitor on the same laptop shows the desktop, and the cable in the lid looks loose. Which part should be reseated?
• A desktop powers on, the fans spin, and it beeps and will not start. All of the memory modules were removed during cleaning. Which action fits?
• After a memory upgrade, a desktop beeps continuously and will not start. The new module is the wrong generation and is not seated. Which action fits?
• A projected image spills past every edge of the screen. Reducing the projector's zoom brings the whole image onto the screen. The shape stays rectangular. Which control fixed the spill?
• A desktop crashes until one memory module is removed. That same module crashes a second desktop, and a known-good module is stable in the first desktop's slot. Which part has failed?
• A desktop makes a grinding noise only while a disc is in the optical drive. Files on the hard disk open normally, and the noise stops when the tray is empty. Which part is making the noise?
• A laptop runs normally on its adapter and shuts down quickly on battery. The battery health reading says the battery is worn out. Which part should be replaced?
• One network printer has no link light and will not print. Another printer on the same network prints from the same PC. The first printer's network cable is unplugged. Which action restores the first printer?
• New laptops receive addresses in 169.254.0.0/16 and cannot reach the office servers. Laptops that already had a lease still work. The DHCP scope shows no free addresses. Which condition explains the new laptops?
• Voice calls are usable but every word arrives late. The delay stays high and does not swing up and down. Large file copies still finish. Which condition matches the calls?