C H E C K T H E B A T T E R Y T E M P E R A T U R E If the battery temperature is below 0°C (32°F), the computer will not start.

TE S T T H E E L E C T R I C A L O U T L E T Ensure that the electrical outlet is working by testing it with another device, such as a lamp.

C H E C K T H E AC A D A P T E R Check the AC adapter cable connections. If the AC adapter has a light, ensure that the light is on.

C O N N E C T T H E C O M P U T E R D I R E C T L Y T O A N E L E C T R I C A L O U T L E T Bypass power

protection devices, power strips, and extension cables to verify that the computer turns on.

E L I M I N A T E P O S S I B L E I N T E R F E R E N C E Turn off nearby fans, fluorescent lights, halogen lamps, or other appliances.

A D J U S T T H E P O W E R P R O P E R T I E S See "Power Management Modes" on page 56.

R E S E A T T H E M E M O R Y M O D U L E S If the computer power light turns on, but the display remains blank, reinstall the memory modules (see "Memory" on page 163).

Printer Problems

Fill out the "Diagnostics Checklist" on page 191 as you complete these checks.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

NOTE: If you need technical assistance for your printer, contact the printer’s manufacturer.

C H E C K T H E P R I N T E R D O C U M E N T A T I O N See the printer documentation for setup and troubleshooting information.

E N S U R E T H A T T H E P R I N T E R I S T U R N E D O N

C H E C K T H E P R I N T E R C A B L E C O N N E C T I O N S

See the printer documentation for cable connection information.

Ensure that the printer cables are securely connected to the printer and the computer.

TE S T T H E E L E C T R I C A L O U T L E T Ensure that the electrical outlet is working by testing it with another device, such as a lamp.

Troubleshooting

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Dell PP22L manual Printer Problems, 133