Alexander: A beeping computer is telling you what's gone wrong inside

If a PC beeps during the boot-up process, that's a warning code.

Alexander: How to stop deleted iPhone e-mails from coming back

A phone that's not connecting properly with a server will make an e-mail vanish just temporarily.

Alexander: Refurbished PCs may need a BIOS update to use new components

The basic input-output system in a PC gets things going, but sometimes clashes with newer software.

Alexander: Windows 11 not always to blame for browser or e-mail problems

A single-button approach for browser switching is expected to arrive in Windows 11 this year.

Alexander: Finding out if your e-mail was received is harder than it sounds

The nice way is to ask for a response. The less nice way is to use a tracking pixel.

Alexander: A PC failure can leave you wondering where all the data went

Data gets spread around a hard drive and retrieving it can be like putting a jigsaw puzzle together.

Alexander: The merits of swapping a PC's hard drive for an SSD memory

Alexander: Crashing apps may mean an iPad is low on memory

There are lots of reasons iPads turn temperamental. Here are a few.

If PC files store slowly, it may be a signal of larger problem

You will need to reorganize your hard drive to solve the issue.

Alexander: Keep copies of data on your computer and in the cloud

Online storage services also help keep data on your PC.